CSSUnparsedValue.values() - Web APIs
the cssunparsedvalue.values() method returns a new array iterator object that contains the values for each index in the cssunparsedvalue object. syntax cssunparsedvalue.values() parameters none. return value a new array. specifications specification status comment css typed om level 1the definition of 'values()' in that specification. working draft initial definition. ...

CSS values and units - Learn web development
previous overview: building blocks next every property used in css has a value or set of values that are allowed for that property, and taking a look at any property page on mdn will help you understand the values that are valid for any particular property. in this lesson we will take a look at some of the most common values and units in use. prerequisites: basic computer literacy, basic software installed, basic knowledge of working with files, html basics (study introduction to html), and an idea of how css works (study css first steps.) objective: to learn about the different types of values and units used in css properties. ...
...ake a look at some of the most common values and units in use. prerequisites: basic computer literacy, basic software installed, basic knowledge of working with files, html basics (study introduction to html), and an idea of how css works (study css first steps.) objective: to learn about the different types of values and units used in css properties. what is a css value? ...
...sic computer literacy, basic software installed, basic knowledge of working with files, html basics (study introduction to html), and an idea of how css works (study css first steps.) objective: to learn about the different types of values and units used in css properties. what is a css value? in css specifications and on the property pages here on mdn you will be able to spot values as they will be surrounded by angle brackets, such as <color> or <length>. when you see the value <color> as valid for a particular property, that means you can use any valid color as a value for that property, as listed on the <color> reference page. note: you'll also see css values referred to as data types. the terms are basically interchangeable — when you see something in css referred t...
...And 43 more matches

Key Values - Web APIs
the tables below list the standard key values in various categories of key, with an explanation of what the key is typically used for. corresponding virtual keycodes for common platforms are included where available. ...
... the tables below list the standard key values in various categories of key, with an explanation of what the key is typically used for. corresponding virtual keycodes for common platforms are included where available. ...
... the tables below list the standard key values in various categories of key, with an explanation of what the key is typically used for. corresponding virtual keycodes for common platforms are included where available. ...
...And 34 more matches

Adapting to the new two-value syntax of display - CSS: Cascading Style Sheets
for example, an <h1> or a <p> are block-level by default, and a <span> is inline-level. using the display property we can switch between block and inline. for example to make a heading inline we would use the following css: h1 { display: inline; } more recently we have gained css grid layout and flexbox. ...
...for example, an <h1> or a <p> are block-level by default, and a <span> is inline-level. using the display property we can switch between block and inline. for example to make a heading inline we would use the following css: h1 { display: inline; } more recently we have gained css grid layout and flexbox. ...
...at some elements are block-level and some are inline-level. for example, an <h1> or a <p> are block-level by default, and a <span> is inline-level. using the display property we can switch between block and inline. for example to make a heading inline we would use the following css: h1 { display: inline; } more recently we have gained css grid layout and flexbox. to access these we also use values of the display property — display: grid and display: flex. only when the value of display is changed do the children become flex or grid items and begin to respond to the other properties in the grid or flexbox specifications. changing an element's display value changes the formatting context of its direct children. what grid and flexbox demonstrate, however, is that an element has both an ou...
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Value definition syntax - CSS: Cascading Style Sheets
for example: auto, smaller or ease-in. ...
...for example: auto, smaller or ease-in. ...
...for example: auto, smaller or ease-in. ...
...And 22 more matches

CSS values and units - CSS: Cascading Style Sheets
textual data types <custom-ident> pre-defined keywords as an <ident> <string> <url> text data types are either <string>, a quoted series of characters, or an <ident>, a "css identifier" which is an unquoted string. a <string> must be quoted with either single or double quotes. ...
... textual data types <custom-ident> pre-defined keywords as an <ident> <string> <url> text data types are either <string>, a quoted series of characters, or an <ident>, a "css identifier" which is an unquoted string. a <string> must be quoted with either single or double quotes. ...
...data types <custom-ident> pre-defined keywords as an <ident> <string> <url> text data types are either <string>, a quoted series of characters, or an <ident>, a "css identifier" which is an unquoted string. a <string> must be quoted with either single or double quotes. css identifiers, listed in the specifications as <ident> or <custom-ident>, must be unquoted. ...
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CSSPrimitiveValue - Web APIs
the cssprimitivevalue interface derives from the cssvalue interface and represents the current computed value of a css property. this interface represents a single css value. it may be used to determine the value of a specific style property currently set in a block or to set a specific style property explicitly within the block. an instance of this interface might be obtained from the getpropertycssvalue() method of the cssstyledeclaration interface. a cssprimitivevalue object only occurs in a context of a css property. conversions are allowed between absolute values (from millimeters to centimeters, from degrees to radians, and so on) but not between relative values. ...
...y explicitly within the block. an instance of this interface might be obtained from the getpropertycssvalue() method of the cssstyledeclaration interface. a cssprimitivevalue object only occurs in a context of a css property. conversions are allowed between absolute values (from millimeters to centimeters, from degrees to radians, and so on) but not between relative values. (for example, a pixel value cannot be converted to a centimeter value.) percentage values can't be converted since they are relative to the parent value (or another property value). there is one exception for color percentage values: since a color percentage value is relative to the range 0-255, a color percentage value can be converted to a number (see also the rgbcolor interface). <div id="interfacediagram" style="di...
... be converted to a number (see also the rgbcolor interface). ...
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Using the aria-valuemin attribute - Accessibility
note: opinions may differ on how assistive technology should handle this technique. ...
... note: opinions may differ on how assistive technology should handle this technique. ...
... note: opinions may differ on how assistive technology should handle this technique. ...
...And 16 more matches

JS::Value
js::value is the type of javascript values in the jsapi. a c++ variable of type js::value represents a value in javascript: a string, number, object (including arrays and functions), boolean, symbol, null, or undefined. js::value is a class whose internal structure is an implementation detail. embeddings should not rely on observed representation details or upon the size of js::value. ...
...is the type of javascript values in the jsapi. a c++ variable of type js::value represents a value in javascript: a string, number, object (including arrays and functions), boolean, symbol, null, or undefined. js::value is a class whose internal structure is an implementation detail. embeddings should not rely on observed representation details or upon the size of js::value. ...
...alue represents a value in javascript: a string, number, object (including arrays and functions), boolean, symbol, null, or undefined. js::value is a class whose internal structure is an implementation detail. embeddings should not rely on observed representation details or upon the size of js::value. ...
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CSS grids, logical values, and writing modes - CSS: Cascading Style Sheets
in these guides, i have already touched on an important feature of grid layout: the support for different writing modes that is built into the specification. for this guide, we will look at this feature of grid and other modern layout methods, learning a little about writing modes and logical vs. physical properties as we do so. logical and physical properties and values css is full of physical positioning keywords – left and right, top and bottom. if we position an item using absolute positioning, we use these physical keywords as offset values to push the item around. in the code snippet below, the item is placed 20 pixels from the top, and 30 pixels from the left of the container: .container { position: relative; } .item { position: absolute; top: 20px; left: 30px; } <...
...n’t even need to be working in a rtl language to take a look. in the example below, i have two paragraphs. one has no text-align property set, the second has text-align set to left. i have added dir="rtl" to the html element, which switches the writing mode from the default for an english language document of ltr. ...
... text-align set to left. i have added dir="rtl" to the html element, which switches the writing mode from the default for an english language document of ltr. you can see that the first paragraph remains left to right, due to the text-align value being left . the second however, switches direction and the text runs from right to left . this is a very simple example of the problem with physical values and properties being used in css. they prevent the browser being able to do the work to switch writing mode, as they make the assumption that the text is flowing left to right and top to bottom. logical properties and values logical properties and values do not make an assumption about text direction. which is why in grid layout we use the keyword start when aligning something to the start of ...
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AudioParam.setValueAtTime() - Web APIs
returns a reference to this audioparam object. in some browsers older implementations of this interface return void. ...
... returns a reference to this audioparam object. in some browsers older implementations of this interface return void. ...
... returns a reference to this audioparam object. in some browsers older implementations of this interface return void. ...
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@font-feature-values - CSS: Cascading Style Sheets
the @font-feature-values css at-rule lets you use a common name in the font-variant-alternates property for features activated differently in opentype. this can help simplify your css when using multiple fonts. the @font-feature-values at-rule may be used either at the top level of your css or inside any css conditional-group at-rule. syntax feature value blocks @swash specifies a feature name that will work with the swash() functional notation of font-variant-alternates. a swash feature value definition allows only one value: ident1: 2 is valid, but ident2: 2 4 isn't. @annotation specifies a feature name that will work with the annotation() functional notation of font-variant-alternates. ...
...at-rule. syntax feature value blocks @swash specifies a feature name that will work with the swash() functional notation of font-variant-alternates. a swash feature value definition allows only one value: ident1: 2 is valid, but ident2: 2 4 isn't. @annotation specifies a feature name that will work with the annotation() functional notation of font-variant-alternates. an annotation feature value definition allows only one value: ident1: 2 is valid, but ident2: 2 4 isn't. @ornaments specifies a feature name that will work with the ornaments() functional notation of font-variant-alternates. an ornaments feature value definition allows only one value: ident1: 2 is valid, but ident2: 2 4 isn't. @stylistic specifies a feature name that will work with the stylistic() functional notation of...
...s valid, but ident2: 2 4 isn't. @ornaments specifies a feature name that will work with the ornaments() functional notation of font-variant-alternates. an ornaments feature value definition allows only one value: ident1: 2 is valid, but ident2: 2 4 isn't. @stylistic specifies a feature name that will work with the stylistic() functional notation of font-variant-alternates. a stylistic feature value definition allows only one value: ident1: 2 is valid, but ident2: 2 4 isn't. @styleset specifies a feature name that will work with the styleset() functional notation of font-variant-alternates. ...
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List of default Accept values - HTTP
this article documents the default values for the http accept header for specific inputs and browser versions. default values these are the values sent when the context doesn't give better information. note that all browsers add the */* mime type to cover all cases. this is typically used for requests initiated via the address bar of a browser, or via an html <a> element. ...
...his article documents the default values for the http accept header for specific inputs and browser versions. default values these are the values sent when the context doesn't give better information. note that all browsers add the */* mime type to cover all cases. this is typically used for requests initiated via the address bar of a browser, or via an html <a> element. ...
... via an html <a> element. user agent value comment firefox text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 (since firefox 66) text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8 (in firefox 65) text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 (before) in firefox 65 and earlier, this value can be modified using the network.http.accept.default parameter. (source) safari, chrome text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8 (source) safari 5 text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 this is an improvement over earlier accept headers as it no longer ranks image/png above text/...
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NPN_SetValue - Archive of obsolete content
« gecko plugin api reference « browser side plug-in api summary implemented by browsers. this call is used to inform the browser of variable information controlled by the plugin. syntax #include <npapi.h> nperror npn_setvalue(npp instance, nppvariable variable, void *value); parameters the function has the following parameters: instance pointer to the plugin instance setting the variable. ...
...ed by browsers. this call is used to inform the browser of variable information controlled by the plugin. syntax #include <npapi.h> nperror npn_setvalue(npp instance, nppvariable variable, void *value); parameters the function has the following parameters: instance pointer to the plugin instance setting the variable. ...
... description a good place to set plugin operation mode such as windowless mode is npp_new, so the browser knows right aw...
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AudioParam.linearRampToValueAtTime() - Web APIs
returns a reference to this audioparam object. in some browsers older implementations of this interface return void. ...
... returns a reference to this audioparam object. in some browsers older implementations of this interface return void. ...
... returns a reference to this audioparam object. in some browsers older implementations of this interface return void. ...
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AudioParam.setValueCurveAtTime() - Web APIs
the setvaluecurveattime() method of the audioparam interface schedules the parameter's value to change following a curve defined by a list of values. the curve is a linear interpolation between the sequence of values defined in an array of floating-point values, which are scaled to fit into the given interval starting at starttime and a specific duration. syntax var paramref = param.setvaluecurveattime(values, starttime, duration); parameters values an array of floating-point numbers representing the value curve the audioparam will change through along the specified duration. every value in the array must be a finite number; if any value is nan, infinity, or -infinity, a typeerror exception is thrown. starttime a double representing the time (in seconds) after the audiocontext was fir...
...n); parameters values an array of floating-point numbers representing the value curve the audioparam will change through along the specified duration. every value in the array must be a finite number; if any value is nan, infinity, or -infinity, a typeerror exception is thrown. starttime a double representing the time (in seconds) after the audiocontext was first created that the change in value will happen. if this value is lower than audiocontext.currenttime, it is clamped to currenttime. duration a double representing the total time (in seconds) over which the parameter's value will change following the specified curve. the specified values are spaced equally along this duration. return value a reference to this audioparam object. some older browser implementations of this interf...
...ed to currenttime. duration a double representing the total time (in seconds) over which the parameter's value will change following the specified curve. the specified values are spaced equally along this duration. return value a reference to this audioparam object. some older browser implementations of this interface return undefined. exceptions invalidstateerror the specified array of values has fewer than 2 items in it. rangeerror the specified starttime is either negative or a non-finite value, or duration is not a finite, strictly positive number. typeerror one or more of the values in the values array is non-finite. non-finite values are nan, infinity, and -infinity. ...
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Function return values - Learn web development
previous overview: building blocks next there's one last essential concept about functions for us to discuss — return values. some functions don't return a significant value, but others do. it's important to understand what their values are, how to use them in your code, and how to make functions return useful values. we'll cover all of these below. prerequisites: basic computer literacy, a basic understanding of html and css, javascript first steps, functions — reusable blocks of code. objective: to understand function return values, and how to make use of them. ...
... values are, how to use them in your code, and how to make functions return useful values. we'll cover all of these below. prerequisites: basic computer literacy, a basic understanding of html and css, javascript first steps, functions — reusable blocks of code. objective: to understand function return values, and how to make use of them. what are return values? return values are just what they sound like — the values that a function returns when it has completed. you've already met return values a number of times, although you may not have thought about them explicitly. let's return to a familiar example (from a previous article in this series): let mytext = 'the weather is cold'; let newstring = mytext.replace('cold', 'warm'); console.log(newst...
...ld print "the weather is warm" // the replace() string function takes a string, // replaces one substring with another, and returns // a new string with the replacement made the replace() function is invoked on the mytext string, and is passed two parameters: the substring to find ('cold'). the string to replace it with ('warm'). when the function completes (finishes running), it returns a value, which is a new string with the replacement made. in the code above, the result of this return value is saved in the variable newstring. if you look at the replace() function mdn reference page, you'll see a section called return value. it is very useful to know and understand what values are returned by functions, so we try to include this information wherever possible. some functions don't re...
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JS_GetNaNValue
for example, 0/0 and math.sqrt(-1) both return nan. so do number("xyzzy") and math.sin("frank"). ...
...for example, 0/0 and math.sqrt(-1) both return nan. so do number("xyzzy") and math.sin("frank"). ...
...for example, 0/0 and math.sqrt(-1) both return nan. so do number("xyzzy") and math.sin("frank"). ...
...And 9 more matches

mozIStorageValueArray
the mozistoragevaluearray interface obtains provides methods to obtain data from a given result. for an introduction on how to use this interface, see the storage overview document. storage/public/mozistoragevaluearray.idlscriptable please add a summary to this article. last changed in gecko 1.8 (firefox 1.5 / thunderbird 1.5 / seamonkey 1.0) inherits from: nsisupports method overview long gettypeofindex(in unsigned long aindex); long getint32(in unsigned long aindex); long long getint64(in unsigned long aindex); double getdouble(in unsigned long aindex); autf8string getutf8string(in unsigned long aindex); astring getstring(in unsigned long aindex); void getblob(in unsigned long aindex, out unsigned long adatas...
... astring getstring(in unsigned long aindex); void getblob(in unsigned long aindex, out unsigned long adatasize, [array,size_is(adatasize)] out octet adata); boolean getisnull(in unsigned long aindex); attributes attribute type description numentries unsigned long the number of entries in the array. constants constant value description value_type_null 0 null data type. value_type_integer 1 integer data type. value_type_float 2 float data type. value_type_text 3 text data type. value_type_blob 4 blob data type. methods gettypeofindex() returns the type of the value at the given column index. long gettypeofindex( in unsigned lo...
... getint32() obtains a int32 from the specified index. ...
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IDBCursorWithValue - Web APIs
operations are performed on the underlying index or object store. note: this feature is available in web workers. ...
...operations are performed on the underlying index or object store. note: this feature is available in web workers. ...
...has a source that indicates which index or object store it is iterating over. it has a position within the range, and moves in a direction that is increasing or decreasing in the order of record keys. the cursor enables an application to asynchronously process all the records in the cursor's range. you can have an unlimited number of cursors at the same time. you always get the same idbcursorwithvalue object representing a given cursor. operations are performed on the underlying index or object store. note: this feature is available in web workers. <div id="interfacediagram" style="display: inline-block; position: relative; width: 100%; padding-bottom: 11.666666666666666%; vertical-align: middle; overflow: hidden;"><svg style="display: inline-block; position: absolute; top: 0; left: 0;" ...
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Using the aria-valuenow attribute - Accessibility
the aria-valuenow attribute is used to define the current value for a range widget such as a slider, spinbutton or progressbar. if the current value is not known, the author should not set the aria-valuenow attribute. if the aria-valuenow has a known minimum and maximum value, authors should set the aria-valuemin and aria-valuemax attributes. when the rendered value cannot be accurately represented as a number, authors should use the aria-valuetext attribute in conjunction with aria-valuenow to provide a user-friendly representation of the range's current value. for example, a slider may have rendered values of small, medium, and large. ...
...aximum value, authors should set the aria-valuemin and aria-valuemax attributes. when the rendered value cannot be accurately represented as a number, authors should use the aria-valuetext attribute in conjunction with aria-valuenow to provide a user-friendly representation of the range's current value. for example, a slider may have rendered values of small, medium, and large. in this case, the values of aria-valuenow could range from 1 through 3, which indicate the position of each value in the value space, but the aria-valuetext would be one of the strings: small, medium, or large. aria-valuenow is a required attribute of role slider, scrollbar and spinbutton. ...
... of the range's current value. for example, a slider may have rendered values of small, medium, and large. in this case, the values of aria-valuenow could range from 1 through 3, which indicate the position of each value in the value space, but the aria-valuetext would be one of the strings: small, medium, or large. aria-valuenow is a required attribute of role slider, scrollbar and spinbutton. value string representation of a number possible effects on user agents and assistive technology for elements with role progressbar and scrollbar, assistive technologies should render the actual value as a percentage, calculated as a position on the range from aria-valuemin to aria-valuemax if both are defined, otherwise the actual value with a percent indicator. for elements with role slider and ...
...And 9 more matches

WinRegValue - Archive of obsolete content
winregvalue constructor (windows only) creates a winregvalue object. syntax winregvalue ( int datatype, byte[] regdata); parameters the winregvalue constructor takes the following parameter: datatype an integer indicating the type of the data encapsulated by this object. ...
... winregvalue constructor (windows only) creates a winregvalue object. syntax winregvalue ( int datatype, byte[] regdata); parameters the winregvalue constructor takes the following parameter: datatype an integer indicating the type of the data encapsulated by this object. ...
... winregvalue constructor (windows only) creates a winregvalue object. syntax winregvalue ( int datatype, byte[] regdata); parameters the winregvalue constructor takes the following parameter: datatype an integer indicating the type of the data encapsulated by this object. ...
...And 8 more matches

value - Archive of obsolete content
« xul reference home value type: string the string attribute allows you to associate a data value with an element. it is not used for any specific purpose, but you can access it with a script for your own use. be aware, however, that some elements, such as textbox will display the value visually, so in order to merely associate data with an element, you could 1) use another attribute like "value2" or "data-myatt" (as in the html5 draft), as xul does not require validation (less future-proof); 2) use setattributens() to put custom attributes in a non-xul namespace (serializable and future-proof); 3) use setuserdata() (future-proof and clean, but not easily serializable). for user editable menulist elements, the contents, as visible to the user, are read and set using the menulist.v...
...t), as xul does not require validation (less future-proof); 2) use setattributens() to put custom attributes in a non-xul namespace (serializable and future-proof); 3) use setuserdata() (future-proof and clean, but not easily serializable). ...
... does not require validation (less future-proof); 2) use setattributens() to put custom attributes in a non-xul namespace (serializable and future-proof); 3) use setuserdata() (future-proof and clean, but not easily serializable). ...
...And 8 more matches

AudioParam.value - Web APIs
the web audio api's audioparam interface property value gets or sets the value of this audioparam at the current time. initially, the value is set to audioparam.defaultvalue. setting value has the same effect as calling audioparam.setvalueattime with the time returned by the audiocontext's currenttime property.. syntax var curvalue = audioparam.value; audioparam.value = newvalue; value a floating-point number indicating the parameter's value as of the current time. this value will be between the values specified by the minvalue and maxvalue properties. ...
...tting value has the same effect as calling audioparam.setvalueattime with the time returned by the audiocontext's currenttime property.. syntax var curvalue = audioparam.value; audioparam.value = newvalue; value a floating-point number indicating the parameter's value as of the current time. this value will be between the values specified by the minvalue and maxvalue properties. usage notes value precision and variation the data type used internally to store value is a single-precision (32-bit) floating point number, while javascript uses 64-bit double-precision floating point numbers. as a result, the value you read from the value property may not always exactly equal what you set it to. consider this example: const source = new audiobuffersourcenode(...); const rate = 5.3; source.pla...
... and variation the data type used internally to store value is a single-precision (32-bit) floating point number, while javascript uses 64-bit double-precision floating point numbers. as a result, the value you read from the value property may not always exactly equal what you set it to. consider this example: const source = new audiobuffersourcenode(...); const rate = 5.3; source.playbackrate.value = rate; console.log(source.playbackrate.value === rate); the log output will be false, because the playback rate parameter, rate, was converted to the 32-bit floating-point number closest to 5.3, which yields 5.300000190734863. ...
...And 8 more matches

CSSNumericValue.max() - Web APIs
some of the following examples illustrate what happens when they are not. ...
...some of the following examples illustrate what happens when they are not. ...
...some of the following examples illustrate what happens when they are not. ...
...And 8 more matches

Array.prototype.values() - JavaScript
the values() method returns a new array iterator object that contains the values for each index in the array. syntax arr.values() return value a new array iterator object. examples iteration using for...of loop var arr = ['a', 'b', 'c', 'd', 'e']; var iterator = arr.values(); for (let letter of iterator) { console.log(letter); } //"a" "b" "c" "d" "e" array.prototype.values is default implementation of array.prototype[symbol.iterator]. ...
...he values for each index in the array. syntax arr.values() return value a new array iterator object. examples iteration using for...of loop var arr = ['a', 'b', 'c', 'd', 'e']; var iterator = arr.values(); for (let letter of iterator) { console.log(letter); } //"a" "b" "c" "d" "e" array.prototype.values is default implementation of array.prototype[symbol.iterator]. ...
.....of loop var arr = ['a', 'b', 'c', 'd', 'e']; var iterator = arr.values(); for (let letter of iterator) { console.log(letter); } //"a" "b" "c" "d" "e" array.prototype.values is default implementation of array.prototype[symbol.iterator]. ...
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CSSKeywordValue - Web APIs
examples the following example resets the css display property to its defaults, setting the inline style attribute to style="display: initial" if viewed in the developer tools inspector. ...
... examples the following example resets the css display property to its defaults, setting the inline style attribute to style="display: initial" if viewed in the developer tools inspector. ...
... examples the following example resets the css display property to its defaults, setting the inline style attribute to style="display: initial" if viewed in the developer tools inspector. ...
...And 7 more matches

CSSNumericValue.equals() - Web APIs
some of the following examples illustrate what happens when they are not. ...
...some of the following examples illustrate what happens when they are not. ...
...some of the following examples illustrate what happens when they are not. ...
...And 7 more matches

CSSNumericValue.min() - Web APIs
some of the following examples illustrate what happens when they are not. ...
...some of the following examples illustrate what happens when they are not. ...
...some of the following examples illustrate what happens when they are not. ...
...And 7 more matches

CSSPrimitiveValue.primitiveType - Web APIs
the primitivetype read-only property of the cssprimitivevalue interface represents the type of a css value. syntax type = cssprimitivevalue.primitivetype; value an unsigned short representing the type of the value. possible values are: constant description css_attr the value is an attr() function. the value can be obtained by using the getstringvalue() method. css_cm the value is a <length> in centimeters. the value can be obtained by using the getfloatvalue() method. css_counter the value is a counter or counters function. the value can be obtained by using the getcountervalue() method. css_deg the value is an <angle> in degrees. ...
...an attr() function. the value can be obtained by using the getstringvalue() method. css_cm the value is a <length> in centimeters. the value can be obtained by using the getfloatvalue() method. css_counter the value is a counter or counters function. the value can be obtained by using the getcountervalue() method. css_deg the value is an <angle> in degrees. the value can be obtained by using the getfloatvalue() method. css_dimension the value is a <number> with an unknown dimension. the value can be obtained by using the getfloatvalue() method. css_ems the value is a <length> in em units. the value can be obtained by using the getfloatvalue() method. css_exs the value is a <length> in ex units. ...
...le> in degrees. the value can be obtained by using the getfloatvalue() method. css_dimension the value is a <number> with an unknown dimension. the value can be obtained by using the getfloatvalue() method. css_ems the value is a <length> in em units. the value can be obtained by using the getfloatvalue() method. css_exs the value is a <length> in ex units. the value can be obtained by using the getfloatvalue() method. css_grad the value is an <angle> in grads. the value can be obtained by using the getfloatvalue() method. css_hz the value is a <frequency> in hertz. the value can be obtained by using the getfloatvalue method. css_ident the value is an identifier. ...
...And 7 more matches

PaymentCurrencyAmount.value - Web APIs
the paymentcurrencyamount property value is a string containing the decimal numeric value of the payment, specified in the currency units indicated by the currency property. the contents of this string must be a valid decimal number; that is, some number of digits between 0 and 9 with up to one optional decimal point. an optional leading minus sign ("-") can be included to indicate a negative value, such as to represent a refund or discount. important note: the number given in this string is always specified using the period (".") as the decimal point, rather than the comma (","), even if the user's locale normally uses the comma. you must convert the entered text to this form or it will not be valid. ...
...this must be a valid decimal number, with an optional leading minus sign ("-"), then one or more decimal digits 0 through 9, optionally with a decimal point (".") with at least one digit following it to represent fractional units. ...
...this must be a valid decimal number, with an optional leading minus sign ("-"), then one or more decimal digits 0 through 9, optionally with a decimal point (".") with at least one digit following it to represent fractional units. ...
...And 7 more matches

Used value - CSS: Cascading Style Sheets
the used value of a css property is its value after all calculations have been performed on the computed value. after the user agent has finished its calculations, every css property has a used value. the used values of dimensions (e.g., width, line-height) are in pixels. the used values of shorthand properties (e.g., background) are consistent with those of their component properties (e.g., background-color or background-size) and with position and float. note: the getcomputedstyle() dom api returns the resolved value, which may either be the computed value or the used value, depending on the property. ...
...he used values of shorthand properties (e.g., background) are consistent with those of their component properties (e.g., background-color or background-size) and with position and float. note: the getcomputedstyle() dom api returns the resolved value, which may either be the computed value or the used value, depending on the property. ...
...the ...
...And 7 more matches

Object.prototype.valueOf() - JavaScript
the valueof() method returns the primitive value of the specified object. the source for this interactive example is stored in a github repository. if you'd like to contribute to the interactive examples project, please clone https://github.com/mdn/interactive-examples and send us a pull request. syntax object.valueof() return value the primitive value of the specified object. a (unary) plus sign can sometimes be used as a shorthand for valueof, e.g. in +new number()). also see using unary plus. description javascript calls the valueof method to convert an object to a primitive value. you rarely need to invoke the valueof method yourself; javascript automatically invokes it when encountering an object where a primitive value is expected. ...
...d object. a (unary) plus sign can sometimes be used as a shorthand for valueof, e.g. in +new number()). also see using unary plus. description javascript calls the valueof method to convert an object to a primitive value. you rarely need to invoke the valueof method yourself; javascript automatically invokes it when encountering an object where a primitive value is expected. by default, the valueof method is inherited by every object descended from object. every built-in core object overrides this method to return an appropriate value. if an object has no primitive value, valueof returns the object itself. you can use valueof within your own code to convert a built-in object into a primitive value. ...
... by default, the valueof method is inherited by every object descended from object. every built-in core object overrides this method to return an appropriate value. if an object has no primitive value, valueof returns the object itself. you can use valueof within your own code to convert a built-in object into a primitive value. when you create a custom object, you can override object.prototype.valueof() to call a custom method instead of the default object method. overriding valueof for custom objects you can create a function to be called in place of the default valueof method. your function must take no arguments. suppose you have an object type mynumbertype and you want to create a valueof method for it. ...
...And 7 more matches

NPN_GetValue - Archive of obsolete content
« gecko plugin api reference « browser side plug-in api summary allows the plug-in to query the browser for information. syntax #include <npapi.h> nperror npn_getvalue(npp instance, npnvariable variable, void *value); parameters this function has the following parameters: instance pointer to the current plug-in instance. variable information the call gets. ...
...r side plug-in api summary allows the plug-in to query the browser for information. syntax #include <npapi.h> nperror npn_getvalue(npp instance, npnvariable variable, void *value); parameters this function has the following parameters: instance pointer to the current plug-in instance. variable information the call gets. ...
...sofflinebool: tells whether offline mode is enabled; true=offline mode enabled, false=not enabled npnvtoolkit: npnvsupportsxembedbool: npnvwindownpobject: returns the npobject * pointer for the dom window object; see getting the page url in npapi plugin for a rough example npnvpluginelementnpobject: npnvsupportswindowless: tells whether the browser supports windowless plugins. ...
...And 6 more matches

JS_TypeOfValue
determines the js data type of a js value. syntax jstype js_typeofvalue(jscontext *cx, js::handle<js::value> v); name type description cx jscontext * the context in which to perform the type check. requires request. in a js_threadsafe build, the caller must be in a request on this jscontext. v js::handle&lt;js::value&gt; the value to examine. description js_typeofvalue examines a specified js value, v, and returns its js data type. the return value is always one of jstype_void, jstype_object, jstype_function, jstype_string, jstype_number, or jstype_boolean. ...
...s_threadsafe build, the caller must be in a request on this jscontext. v js::handle&lt;js::value&gt; the value to examine. description js_typeofvalue examines a specified js value, v, and returns its js data type. the return value is always one of jstype_void, jstype_object, jstype_function, jstype_string, jstype_number, or jstype_boolean. ...
...ld, the caller must be in a request on this jscontext. v js::handle&lt;js::value&gt; the value to examine. description js_typeofvalue examines a specified js value, v, and returns its js data type. the return value is always one of jstype_void, jstype_object, jstype_function, jstype_string, jstype_number, or jstype_boolean. ...
...And 6 more matches

JS_ValueToNumber
obsolete since jsapi 24this feature is obsolete. although it may still work in some browsers, its use is discouraged since it could be removed at any time. try to avoid using it. replaced by js::tonumber. convert any javascript value to a floating-point number of type jsdouble. syntax jsbool js_valuetonumber(jscontext *cx, jsval v, jsdouble *dp); name type description cx jscontext * the context in which to perform the conversion. requires request. in a js_threadsafe build, the caller must be in a request on this jscontext. v jsval the value to convert. dp jsdouble * out parameter. on success, *dp receives the converted floating-point value. description js_valuetonumber converts a javascript value to a number. it im...
...ng-point value. description js_valuetonumber converts a javascript value to a number. it implements the tonumber operator described in ecma 262-3 §9.3. if v is already a number, conversion succeeds. if v is undefined, null, false, or true, conversion succeeds, and the result is nan, 0, 0, or 1 respectively. if v is a string, conversion proceeds as specified in ecma 262-3 §9.3.1. js_valuetonumber always succeeds in this case, returning js_true. if the string is not a numeric string, *dp is set to nan. otherwise v is an object. js_valuetonumber carries out the following steps to convert it to a number. if at any step an error or exception occurs, or conversion succeeds, the rest of the steps are skipped. ...
...2-3 §9.3.1. js_valuetonumber always succeeds in this case, returning js_true. if the string is not a numeric string, *dp is set to nan. otherwise v is an object. js_valuetonumber carries out the following steps to convert it to a number. if at any step an error or exception occurs, or conversion succeeds, the rest of the steps are skipped. (this behavior is implemented by v's jsobjectops.defaultvalue hook, so host objects can override it all.) first, the object's jsclass.convert callback is called. for objects of standard classes, this is js_convertstub, which simply calls v.valueof() if present. if the convert callback produces a primitive value, the value is converted to a number as described above and conversion succeeds. otherwise, the resulting object's tostring method, if any, ...
...And 6 more matches

nsMsgSearchOpValue
nsmsgsearchopvalue defined in comm-central/ mailnews/ base/ search/ public/ nsmsgsearchcore.idl 146 typedef long nsmsgsearchopvalue; 147 148 [scriptable, uuid(9160b196-6fcb-4eba-aaaf-6c806c4ee420)] 149 interface nsmsgsearchop { 150 const nsmsgsearchopvalue contains = 0; /* for text attributes */ 151 const nsmsgsearchopvalue doesntcontain = 1; 152 const nsmsgsearchopvalue is = 2; /* is and isn't also apply to some non-text attrs */ 153 const nsmsgsearchopvalue isnt = 3; 154 const nsmsgsearchopvalue isempty = 4; 155 156 const nsmsgsearchopvalue isbefore = 5; /* for date attributes */ 157 const nsmsgsearchopvalue isafter = 6; 158 159 const nsmsgsearchopvalue ishigherthan = 7; /* for priority. is also applies */ 160 const nsmsgsearchop...
...2; /* is and isn't also apply to some non-text attrs */ 153 const nsmsgsearchopvalue isnt = 3; 154 const nsmsgsearchopvalue isempty = 4; 155 156 const nsmsgsearchopvalue isbefore = 5; /* for date attributes */ 157 const nsmsgsearchopvalue isafter = 6; 158 159 const nsmsgsearchopvalue ishigherthan = 7; /* for priority. ...
.../ 153 const nsmsgsearchopvalue isnt = 3; 154 const nsmsgsearchopvalue isempty = 4; 155 156 const nsmsgsearchopvalue isbefore = 5; /* for date attributes */ 157 const nsmsgsearchopvalue isafter = 6; 158 159 const nsmsgsearchopvalue ishigherthan = 7; /* for priority. ...
...And 6 more matches

HTMLDialogElement.returnValue - Web APIs
examples the following example displays a button to open a <dialog> containing a form via the showmodal() method. from there, either button will close the dialog. ...
... examples the following example displays a button to open a <dialog> containing a form via the showmodal() method. from there, either button will close the dialog. ...
... examples the following example displays a button to open a <dialog> containing a form via the showmodal() method. from there, either button will close the dialog. ...
...And 6 more matches

Using the aria-valuemax attribute - Accessibility
description the aria-valuemax attribute is used to define the maximum value allowed for a range widget such as a slider, spinbutton or progressbar. if the aria-valuenow has a known maximum and minimum, the author should provide properties for aria-valuemax and aria-valuemin. the value of aria-valuemax must be greater than or equal to the value of aria-valuemin. aria-valuemax is a required attribute of role slider, scrollbar and spinbutton. value string representation of a number possible effects on user agents and assistive technology if the aria-valuemax is indeterminate, or if aria-valuemin is not less than or equal to the value of aria-valuemax, this creates an error condition that will be handled by the assistive technology. note: opinions may differ on how assistive tech...
...ia-valuemin is not less than or equal to the value of aria-valuemax, this creates an error condition that will be handled by the assistive technology. note: opinions may differ on how assistive technology should handle this technique. the information provided above is one of those opinions and therefore not normative. examples example 1: the snippet below shows a simple slider with a maximum value of 10. ...
...to the value of aria-valuemax, this creates an error condition that will be handled by the assistive technology. note: opinions may differ on how assistive technology should handle this technique. the information provided above is one of those opinions and therefore not normative. examples example 1: the snippet below shows a simple slider with a maximum value of 10. ...
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Using the aria-valuetext attribute - Accessibility
the aria-valuetext attribute is used to define the human readable text alternative of aria-valuenow for a range widget such as progressbar, spinbutton or slider. authors should only set the aria-valuetext attribute when the rendered value cannot be accurately represented as a number. for example, a slider may have rendered values of small, medium, and large. in this case, the values of aria-valuenow could range from 1 through 3, which indicate the position of each value in the value space, but thearia-valuetext would be one of the strings: small, medium, or large. ...
...ould only set the aria-valuetext attribute when the rendered value cannot be accurately represented as a number. for example, a slider may have rendered values of small, medium, and large. in this case, the values of aria-valuenow could range from 1 through 3, which indicate the position of each value in the value space, but thearia-valuetext would be one of the strings: small, medium, or large. value string representation of a number possible effects on user agents and assistive technology if the aria-valuetext attribute is absent, assistive technologies will rely solely on the aria-valuenow attribute for the current value. if aria-valuetext is specified, assistive technologies should render that value instead of the value of aria-valuenow. note: opinions may differ on how assistive tech...
...nt value. if aria-valuetext is specified, assistive technologies should render that value instead of the value of aria-valuenow. note: opinions may differ on how assistive technology should handle this technique. the information provided above is one of those opinions and therefore not normative. examples example 1: the snippet below shows a simple slider for selecting a day of the week. the value of the slider is numeric, and the aria-valuetext attribute is used to provide the name of the day. the application would programmatically update aria-valuetext depending on aria-valuenow. ...
...And 6 more matches

Basic concepts of Logical Properties and Values - CSS: Cascading Style Sheets
start and end as opposed to left and right/top and bottom. ...
...start and end as opposed to left and right/top and bottom. ...
...start and end as opposed to left and right/top and bottom. ...
...And 6 more matches

JS::HandleValueArray
this article covers features introduced in spidermonkey 31 a handle to an array of rooted values. syntax js::handlevaluearray(const js::rootedvalue& value); js::handlevaluearray(const js::autovaluevector& values); js::handlevaluearray(const js::autovaluearray<n>& values); js::handlevaluearray(const js::callargs& args); js::handlevaluearray::frommarkedlocation(size_t len, const js::value *elements); js::handlevaluearray::subarray(const js::handlevaluearray& values, size_t startindex, size_t len); js::handlevaluearray::empty(); name type description value js::rootedvalue &amp; an element of newly created 1-length array. ...
... js::callargs& args); js::handlevaluearray::frommarkedlocation(size_t len, const js::value *elements); js::handlevaluearray::subarray(const js::handlevaluearray& values, size_t startindex, size_t len); js::handlevaluearray::empty(); name type description value js::rootedvalue &amp; an element of newly created 1-length array. values js::autovaluevector &amp; elements of newly created array. values js::autovaluearray &amp; elements of newly created array. args js::callargs &amp; elements of newly created array. len size_t (frommarkedlocation only) length of elements array or (subarray only) length of sub array of values. ...
...gth array. values js::autovaluevector &amp; elements of newly created array. values js::autovaluearray &amp; elements of newly created array. args js::callargs &amp; elements of newly created array. len size_t (frommarkedlocation only) length of elements array or (subarray only) length of sub array of values. elements js::value * (frommarkedlocation only) a pointer to the first element of an array of js::value. values js::handlevaluearray (subarray only) an array to get sub array. startindex size_t (subarray only) an index of the first element of subarray of values. methods method description size_t length() const returns the length of the array. ...
...And 5 more matches

CSSStyleValue.parseAll() - Web APIs
specifications specification status comment css typed om level 1the definition of 'parseall()' in that specification. ...
... specifications specification status comment css typed om level 1the definition of 'parseall()' in that specification. ...
... specifications specification status comment css typed om level 1the definition of 'parseall()' in that specification. ...
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Using the CSS properties and values API - Web APIs
the css properties and values api — part of the css houdini umbrella of apis — allows the registration of css custom properties, allowing for property type checking, default values, and properties that do or do not inherit their value. registering a custom property registering a custom property allows you to tell the browser how the custom property should behave; what are allowed types, whether the custom property inherits its value, and what the default value of the custom property is. there are two ways to register a property, in javascript or in css. note: the javascript option has working implementations. the css option does not. ...
...whether the custom property inherits its value, and what the default value of the custom property is. there are two ways to register a property, in javascript or in css. note: the javascript option has working implementations. the css option does not. css.registerproperty the following will register a css custom properties, --my-prop, using css.registerproperty, as a color, give it a default value, and have it not inherit its value: window.css.registerproperty({ name: '--my-prop', syntax: '<color>', inherits: false, initialvalue: '#c0ffee', }); @property the same registration can take place in css. ...
...-prop, using css.registerproperty, as a color, give it a default value, and have it not inherit its value: window.css.registerproperty({ name: '--my-prop', syntax: '<color>', inherits: false, initialvalue: '#c0ffee', }); @property the same registration can take place in css. ...
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TypeError: cyclic object value - JavaScript
the javascript exception "cyclic object value" occurs when object references were found in json. json.stringify() doesn't try to solve them and fails accordingly. message typeerror: cyclic object value (firefox) typeerror: converting circular structure to json (chrome and opera) typeerror: circular reference in value argument not supported (edge) error type typeerror what went wrong? the json format per se doesn't support object references (although an ietf draft exists), hence json.stringify() doesn't try to solve them and fails accordingly. examples circular references in a circular structure like the following var circularreference = {otherdata: 123}; circularreference.myself = circularreference; json.stringify() will fail json.stringify(circularreference); // typeerror: cycli...
... se doesn't support object references (although an ietf draft exists), hence json.stringify() doesn't try to solve them and fails accordingly. examples circular references in a circular structure like the following var circularreference = {otherdata: 123}; circularreference.myself = circularreference; json.stringify() will fail json.stringify(circularreference); // typeerror: cyclic object value to serialize circular references you can use a library that supports them (e.g. cycle.js) or implement a solution by yourself, which will require finding and replacing (or removing) the cyclic references by serializable values. the snippet below illustrates how to find and filter (thus causing data loss) a cyclic reference by using the replacer parameter of json.stringify(): const getcircular...
...upports them (e.g. cycle.js) or implement a solution by yourself, which will require finding and replacing (or removing) the cyclic references by serializable values. ...
...And 5 more matches

Object.values() - JavaScript
the object.values() method returns an array of a given object's own enumerable property values, in the same order as that provided by a for...in loop. (the only difference is that a for...in loop enumerates properties in the prototype chain as well.) the source for this interactive example is stored in a github repository. if you'd like to contribute to the interactive examples project, please clone https://github.com/mdn/interactive-examples and send us a pull request. syntax object.values(obj) parameters obj the object whose enumerable own property values are to be returned. return value an array containing the given object's own enumerable property values. description object.values() returns an array whose elements are the enumerable property values found on the object. the o...
... object.values(obj) parameters obj the object whose enumerable own property values are to be returned. return value an array containing the given object's own enumerable property values. description object.values() returns an array whose elements are the enumerable property values found on the object. the ordering of the properties is the same as that given by looping over the property values of the object manually. polyfill to add compatible object.values support in older environments that do not natively support it, you can find a polyfill in the tc39/proposal-object-values-entries or in the es-shims/object.values repositories. ...
... property values found on the object. the ordering of the properties is the same as that given by looping over the property values of the object manually. polyfill to add compatible object.values support in older environments that do not natively support it, you can find a polyfill in the tc39/proposal-object-values-entries or in the es-shims/object.values repositories. ...
...And 5 more matches

JS::DoubleValue
this article covers features introduced in spidermonkey 24 convert a c floating-point number of type double to a js::value. syntax js::value js::doublevalue(double dbl) name type description dbl double c double to convert. description js::doublevalue converts a c floating-point number of type double to js::value, the type of javascript values. the result is an floating-point js::value. ...
...ating-point number of type double to a js::value. syntax js::value js::doublevalue(double dbl) name type description dbl double c double to convert. description js::doublevalue converts a c floating-point number of type double to js::value, the type of javascript values. the result is an floating-point js::value. ...
... number of type double to a js::value. syntax js::value js::doublevalue(double dbl) name type description dbl double c double to convert. description js::doublevalue converts a c floating-point number of type double to js::value, the type of javascript values. the result is an floating-point js::value. ...
...And 4 more matches

JS::Float32Value
this article covers features introduced in spidermonkey 24 convert a c floating-point number of type float to a js::value. syntax js::value js::float32value(float f) name type description f float c float to convert. description js::float32value converts a c floating-point number of type float to js::value, the type of javascript values. the result is an floating-point js::value. ...
... c floating-point number of type float to a js::value. syntax js::value js::float32value(float f) name type description f float c float to convert. description js::float32value converts a c floating-point number of type float to js::value, the type of javascript values. the result is an floating-point js::value. ...
...-point number of type float to a js::value. syntax js::value js::float32value(float f) name type description f float c float to convert. description js::float32value converts a c floating-point number of type float to js::value, the type of javascript values. the result is an floating-point js::value. ...
...And 4 more matches

JS::Int32Value
this article covers features introduced in spidermonkey 24 convert a c signed 32-bit integer of type int32_t to a js::value. syntax js::value js::int32value(int32_t i32) name type description i32 int32_t c integer to convert. description js::int32value converts a c signed 32-bit integer of type int32_t to js::value, the type of javascript values. the result is an integer js::value. ...
...c signed 32-bit integer of type int32_t to a js::value. syntax js::value js::int32value(int32_t i32) name type description i32 int32_t c integer to convert. description js::int32value converts a c signed 32-bit integer of type int32_t to js::value, the type of javascript values. the result is an integer js::value. ...
...-bit integer of type int32_t to a js::value. syntax js::value js::int32value(int32_t i32) name type description i32 int32_t c integer to convert. description js::int32value converts a c signed 32-bit integer of type int32_t to js::value, the type of javascript values. the result is an integer js::value. ...
...And 4 more matches

JS::NumberValue
this article covers features introduced in spidermonkey 24 convert a c integer or floating-point value to a js::value. syntax js::value js::numbervalue(float f) js::value js::numbervalue(double dbl) js::value js::numbervalue(int8_t i) js::value js::numbervalue(uint8_t i) js::value js::numbervalue(int16_t i) js::value js::numbervalue(uint16_t i) js::value js::numbervalue(int32_t i) js::value js::numbervalue(uint32_t i) name type description f or dbl or i any c integer or floating-point value to convert. description js::numbervalue converts a c integer or floating-point value to js::value, the type of javascript values. ...
...js::value js::numbervalue(uint16_t i) js::value js::numbervalue(int32_t i) js::value js::numbervalue(uint32_t i) name type description f or dbl or i any c integer or floating-point value to convert. description js::numbervalue converts a c integer or floating-point value to js::value, the type of javascript values. ...
...s::numbervalue(uint16_t i) js::value js::numbervalue(int32_t i) js::value js::numbervalue(uint32_t i) name type description f or dbl or i any c integer or floating-point value to convert. description js::numbervalue converts a c integer or floating-point value to js::value, the type of javascript values. ...
...And 4 more matches

JS_ConvertValue
obsolete since jsapi 38this feature is obsolete. although it may still work in some browsers, its use is discouraged since it could be removed at any time. try to avoid using it. converts a javascript value to a value of a specific javascript type. syntax bool js_convertvalue(jscontext *cx, js::handlevalue v, jstype type, js::mutablehandlevalue vp); name type description cx jscontext * the context in which to perform the conversion. requires request. in a js_threadsafe build, the caller must be in a request on this jscontext. v js::handlevalue the value to convert. type jstype the type to which the value is to be converted. type must be one of jstype_void, jstype_object, jstype_function, jstype_string, jstype_number, ...
...text in which to perform the conversion. requires request. in a js_threadsafe build, the caller must be in a request on this jscontext. v js::handlevalue the value to convert. type jstype the type to which the value is to be converted. type must be one of jstype_void, jstype_object, jstype_function, jstype_string, jstype_number, or jstype_boolean. otherwise js_convertvalue reports an error. vp js::mutablehandlevalue out parameter. on success, *vp receives the converted value. description js_convertvalue converts a javascript value, v, to the specified type. on success, the converted value is stored in *vp. typically users of this function set vp to point to v, so that if conversion is successful, v now contains the converted value. js_conver...
...reports an error. vp js::mutablehandlevalue out parameter. on success, *vp receives the converted value. description js_convertvalue converts a javascript value, v, to the specified type. on success, the converted value is stored in *vp. typically users of this function set vp to point to v, so that if conversion is successful, v now contains the converted value. js_convertvalue calls other, type-specific conversion routines based on the type argument. converting any value to jstype_void always succeeds. the result is undefined value. converting to jstype_object works exactly like js::toobject if v.isnullorundefined() is false, otherwise the result is nullptr. ...
...And 4 more matches

JS_SameValue
this article covers features introduced in spidermonkey 1.8.1 determines if two jsvals are the same, as determined by the samevalue algorithm in ecmascript 262, 5th edition. samevalue slightly differs from strict equality (===) in that +0 and -0 are not the same and in that nan is the same as nan. ...
... this article covers features introduced in spidermonkey 1.8.1 determines if two jsvals are the same, as determined by the samevalue algorithm in ecmascript 262, 5th edition. samevalue slightly differs from strict equality (===) in that +0 and -0 are not the same and in that nan is the same as nan. ...
... this article covers features introduced in spidermonkey 1.8.1 determines if two jsvals are the same, as determined by the samevalue algorithm in ecmascript 262, 5th edition. samevalue slightly differs from strict equality (===) in that +0 and -0 are not the same and in that nan is the same as nan. ...
...And 4 more matches

Crypto.getRandomValues() - Web APIs
the crypto.getrandomvalues() method lets you get cryptographically strong random values. the array given as the parameter is filled with random numbers (random in its cryptographic meaning). to guarantee enough performance, implementations are not using a truly random number generator, but they are using a pseudo-random number generator seeded with a value with enough entropy. the pseudo-random number generator algorithm (prng) may vary across user agents, but is suitable for cryptographic purposes. implementations are required to use a seed with enough entropy, like a system-level entropy source. getrandomvalues() is the only member of the crypto interface which can be used from an insecure context. ...
... value with enough entropy. the pseudo-random number generator algorithm (prng) may vary across user agents, but is suitable for cryptographic purposes. implementations are required to use a seed with enough entropy, like a system-level entropy source. getrandomvalues() is the only member of the crypto interface which can be used from an insecure context. syntax typedarray = cryptoobj.getrandomvalues(typedarray); parameters typedarray an integer-based typedarray, that is an int8array, a uint8array, an int16array, a uint16array, an int32array, or a uint32array. all elements in the array are overwritten with random numbers. return value the same array passed as typedarray but with its contents replaced with the newly generated random numbers. note that typedarray is modified in-place, ...
... there is no minimum degree of entropy mandated by the web cryptography specification. ...
...And 4 more matches

KeyboardEvent: code values - Web APIs
the following tables show what code values are used for each native scancode or virtual keycode on major platforms. the reason is that some browsers choose to interpret physical keys differently, there are some differences in which keys map to which codes. these tables show those variations when known. code values code values on windows this table shows the windows scan codes representing keys and the keyboardevent.code values which correspond to those hardware keys. only keys which generate scan codes on windows are listed. ...
...t physical keys differently, there are some differences in which keys map to which codes. these tables show those variations when known. code values code values on windows this table shows the windows scan codes representing keys and the keyboardevent.code values which correspond to those hardware keys. only keys which generate scan codes on windows are listed. ...
... virtual keycode gecko chromium (48) kvk_ansi_a (0x00) "keya" "keya" kvk_ansi_s (0x01) "keys" "keys" kvk_ansi_d (0x02) "keyd" "keyd" kvk_ansi_f...
...And 4 more matches

URLSearchParams.values() - Web APIs
living standard initial definition. ...
... living standard initial definition. ...
... living standard initial definition. ...
...And 4 more matches

XRWebGLLayerInit.ignoreDepthValues - Web APIs
the xrwebgllayerinit dictionary's boolean ignoredepthvalues property can be provided in the options passed into the xrwebgllayer() constructor to indicate that the depth buffer, if it exists, should be ignored while composing the scene. the depth buffer is typically used to assist in ordering vertices and, by extension, polygons while compositing, to ensure that the scene is correctly composited, with objects the correct distance away and with clipping and other distance-related computations performed as accurately as possible. without the depth buffer, these computations must rely entirely on the coordinates of each pixel. ...
...at the scene is correctly composited, with objects the correct distance away and with clipping and other distance-related computations performed as accurately as possible. without the depth buffer, these computations must rely entirely on the coordinates of each pixel. ...
...ng and other distance-related computations performed as accurately as possible. without the depth buffer, these computations must rely entirely on the coordinates of each pixel. this property differs from depth in that depth requests a webgl layer that does not have a depth buffer at all, while ignoredepthvalues merely asks that the depth layer be ignored. syntax let layerinit = { ignoredepthvalues: boolvalue }; let gllayer = new xrwebgllayer(xrsession, gl, layerinit); let gllayer = new xrwebgllayer(xrsession, gl, { ignoredepthvalues: boolvalue }); value a boolean value which can be set to true to disable the use of the depth buffer by the webgl rendering layer created by the xrwebgllayer() constructor. the default value, false, means the depth buffer will be used, if available. usage...
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values - SVG: Scalable Vector Graphics
the values attribute has different meanings, depending upon the context where itʼs used, either it defines a sequence of values used over the course of an animation, or itʼs a list of numbers for a color matrix, which is interpreted differently depending on the type of color change to be performed. five elements are using this attribute: <animate>, <animatecolor>, <animatemotion>, <animatetransform>, and <fecolormatrix> animate, animatecolor, animatemotion, animatetransform for <animate>, <animatecolor>, <animatemotion>, and <animatetransform>, values is a list of values defining the sequence of values over the course of the animation. if this attribute is specified, any from, to, and by attribute values set on the element are ignored. ...
...ecolor>, <animatemotion>, <animatetransform>, and <fecolormatrix> animate, animatecolor, animatemotion, animatetransform for <animate>, <animatecolor>, <animatemotion>, and <animatetransform>, values is a list of values defining the sequence of values over the course of the animation. if this attribute is specified, any from, to, and by attribute values set on the element are ignored. value <list-of-values> default value none animatable no <list-of-values> the value holds a semicolon-separated list of one or more values. the type of the values is defined by the href and attributename attributes. fecolormatrix for the <fecolormatrix> element, values is a list of numbers interpreted differently depending on the value of the type attribute. ...
...list-of-values> default value none animatable no <list-of-values> the value holds a semicolon-separated list of one or more values. the type of the values is defined by the href and attributename attributes. fecolormatrix for the <fecolormatrix> element, values is a list of numbers interpreted differently depending on the value of the type attribute. ...
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NPP_GetValue - Archive of obsolete content
« gecko plugin api reference « plug-in side plug-in api summary allows the browser to query the plug-in for information. syntax #include <npapi.h> nperror npp_getvalue(void *instance, nppvariable variable, void *value); parameters the function has the following parameters: instance pointer to the plugin instance from which the value should come. variable variable for which the browser (caller) would like a value. the full list is in the npapi headers. value value for the requested variable. returns if successful, the function returns nperr_no_error. ...
...n has the following parameters: instance pointer to the plugin instance from which the value should come. variable variable for which the browser (caller) would like a value. the full list is in the npapi headers. value value for the requested variable. returns if successful, the function returns nperr_no_error. if unsuccessful, the function returns an error code. for possible values, see error codes. ...
...inter to the plugin instance from which the value should come. variable variable for which the browser (caller) would like a value. the full list is in the npapi headers. value value for the requested variable. returns if successful, the function returns nperr_no_error. if unsuccessful, the function returns an error code. for possible values, see error codes. description npp_getvalue retrieves instance variables. ...
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::-ms-value - Archive of obsolete content
other properties are ignored. ...
...other properties are ignored. ...
...other properties are ignored. ...
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JS_GetPositiveInfinityValue
retrieve a floating-point infinity as a value of type js::value. syntax // added in spidermonkey 42 js::value js_getpositiveinfinityvalue(jscontext *cx); js::value js_getnegativeinfinityvalue(jscontext *cx); // obsolete since spidermonkey 42 jsval js_getpositiveinfinityvalue(jscontext *cx); jsval js_getnegativeinfinityvalue(jscontext *cx); name type description cx jscontext * a context. description js_getpositiveinfinityvalue returns a js::value that represents an ieee floating-point positive infinity. js_getnegativeinfinityvalue returns the corresponding negative infinity. infinities are typically used to represent numbers that are greater in magnitude than the greatest representable finite values. ...
...me type description cx jscontext * a context. description js_getpositiveinfinityvalue returns a js::value that represents an ieee floating-point positive infinity. js_getnegativeinfinityvalue returns the corresponding negative infinity. infinities are typically used to represent numbers that are greater in magnitude than the greatest representable finite values. as a value in mathematical calculations, an infinite value behaves like infinity. for example, any nonzero value multiplied by infinity is infinity with the expected sign, and any finite value divided by infinity is zero (again with the expected sign). to get a floating-point nan, use js_getnanvalue. ...
...n the greatest representable finite values. as a value in mathematical calculations, an infinite value behaves like infinity. for example, any nonzero value multiplied by infinity is infinity with the expected sign, and any finite value divided by infinity is zero (again with the expected sign). to get a floating-point nan, use js_getnanvalue. ...
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JS_NewNumberValue
the result is an integer jsval if d can be stored that way. otherwise, a new floating-point jsval is created. ...
... the result is an integer jsval if d can be stored that way. otherwise, a new floating-point jsval is created. ...
... instead convert a c floating-point number of type jsdouble to a jsval. syntax jsbool js_newnumbervalue(jscontext *cx, jsdouble d, jsval *rval); name type description cx jscontext * the context in which to create the new number. requires request. in a js_threadsafe build, the caller must be in a request on this jscontext. d jsdouble the numeric value to convert. rval jsval * out parameter. on success, *rval receives a javascript number with the value d. description js_newnumbervalue converts a c floating-point number of type jsdouble to jsval, the type of javascript values. ...
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JS_ValueToFunction
convert a js::value to a jsfunction. syntax jsfunction * js_valuetofunction(jscontext *cx, js::handlevalue v); jsfunction * js_valuetoconstructor(jscontext *cx, js::handlevalue v); name type description cx jscontext * the context in which to perform the conversion. requires request. in a js_threadsafe build, the caller must be in a request on this jscontext. v js::handlevalue the value to convert. description js_valuetofunction converts a specified javascript value, v, to a function. js_valuetoconstructor is the exactly same function as js_valuetofunction. this conversion is dangerous and almost entirely useless, because the resulting jsfunction is not a real function object and therefore cannot be safely passed to any other jsapi fu...
...tion. that includes js_callfunction() and js_getfunctionobject(). a jsfunction represents only the compiled code and not the environment of the function. unless the function happens to be a native function, this means it isn't attached to any global or enclosing scope, and therefore must not be treated like a real function. instead, use jsval_is_object and js_objectisfunction() to check whether a value is already a function, or use js_convertvalue() to convert a value to jstype_function safely. if v is a function object, this returns the associated jsfunction. if v is null, undefined, a boolean, a number, or a string, a typeerror is reported and js_valuetofunction returns null. otherwise, v is an object. the javascript engine attempts to convert it to a function. (implementation note: the...
...safely. if v is a function object, this returns the associated jsfunction. if v is null, undefined, a boolean, a number, or a string, a typeerror is reported and js_valuetofunction returns null. otherwise, v is an object. the javascript engine attempts to convert it to a function. (implementation note: the actual conversion is performed by the object itself. the object's jsobjectops.defaultvalue method is called with hint=jstype_function.) js_valuetofunction returns a pointer to the converted function. ...
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JS_ValueToId
convert a js::value to type jsid. syntax bool js_valuetoid(jscontext *cx, js::handlevalue v, js::mutablehandleid idp); bool js_stringtoid(jscontext *cx, js::handlestring s, js::mutablehandleid idp); // added in spidermonkey 38 bool js_indextoid(jscontext *cx, uint32_t index, js::mutablehandleid idp); // added in spidermonkey 17 bool js_charstoid(jscontext* cx, js::twobytechars chars, js::mutablehandleid idp); // added in spidermonkey 24 void js::protokeytoid(jscontext *cx, jsprotokey key, js::mutablehandleid idp); // added in spidermonkey 38 name type description cx jscontext * a context. requires request. in a js_threadsafe build, the caller must be in a request on this jscontext. v js::handlevalue the js value to convert. s j...
... value to convert. s js::handlestring the js string to convert. index uint32_t an unsigned integer index of array to convert. chars js::twobytechars the string to convert. key jsprotokey the prototype key to convert. idp js::mutablehandleid out parameter. on success, *idp receives the converted jsid. description js_valuetoid converts a specified js::value, v, to a jsid. if v is an integer, *idp receives an integer jsid. otherwise, if e4x support is enabled and v is an object, *idp receives an object jsid. otherwise, *idp receives an interned string jsid based on the value of v. if v is not a string, it is converted to a string as if by calling js_valuetostring. js_stringtoid and js_charstoid convert a specified ...
...eives an object jsid. otherwise, *idp receives an interned string jsid based on the value of v. if v is not a string, it is converted to a string as if by calling js_valuetostring. js_stringtoid and js_charstoid convert a specified string to a jsid. js_indextoid converts a specified integer index to an integer jsid. js::protokeytoid converts a specified prototype key to a jsid. on success, js_valuetoid stores the converted value in *idp and returns true. otherwise it returns false. the inverse of js_valuetoid is js_idtovalue. ...
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JS_ValueToObject
converts any javascript value to an object. syntax bool js_valuetoobject(jscontext *cx, js::handlevalue v, js::mutablehandleobject objp); name type description cx jscontext * the context in which to convert the value. requires request. in a js_threadsafe build, the caller must be in a request on this jscontext. v js::handlevalue the value to convert. objp js::mutablehandleobject out parameter. on success, *objp receives null or a pointer to the resulting object. description js_valuetoobject converts a specified javascript value, v, to an object. on success, this function stores either null or a pointer to the resulting object in *objp and returns true. ...
...andlevalue the value to convert. objp js::mutablehandleobject out parameter. on success, *objp receives null or a pointer to the resulting object. description js_valuetoobject converts a specified javascript value, v, to an object. on success, this function stores either null or a pointer to the resulting object in *objp and returns true. otherwise it returns false and the value left in *objp is unspecified. if v is jsval_null or jsval_void, the result is null. if v is a boolean value, a number, or a string, the result is a new wrapper object of type boolean, number, or string. otherwise v is an object, and the result depends on the object. if v is a native javascript object, this calls the object's valueof method, if any. in any case, the result is not guaranteed to...
... null. if v is a boolean value, a number, or a string, the result is a new wrapper object of type boolean, number, or string. otherwise v is an object, and the result depends on the object. if v is a native javascript object, this calls the object's valueof method, if any. in any case, the result is not guaranteed to be the same object as v. (implementation note: the object's jsobjectops.defaultvalue method is called with hint=jstype_object.) the resulting object is subject to garbage collection unless the variable *objp is protected by a local root scope, an object property, or the js_addroot function. ...
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JS_ValueToSource
on error or exception, it returns null. this happens, for example, if v is an object and v.tosource() throws an exception. ...
...on error or exception, it returns null. this happens, for example, if v is an object and v.tosource() throws an exception. ...
...on error or exception, it returns null. this happens, for example, if v is an object and v.tosource() throws an exception. ...
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JS_ValueToString
obsolete since jsapi 28this feature is obsolete. although it may still work in some browsers, its use is discouraged since it could be removed at any time. try to avoid using it. convert a jsval to a jsstring. syntax jsstring * js_valuetostring(jscontext *cx, jsval v); name type description cx jscontext * the context in which to perform the conversion. requires request. in a js_threadsafe build, the caller must be in a request on this jscontext. v jsval the value to convert. description js_valuetostring converts a specified javascript value, v, to a string. it implements the tostring operator specified in ecma 262-3 §9.8. the result is like the javascript expression ""+v. if v is already a string, conversion succeeds. if v is t...
...ds, and the result is the string "true", "false", "null", or "undefined", accordingly. if v is a number, conversion succeeds, and the result is a string representation of that number as specified in ecma 262-3 §9.8.1. this might be "nan", "infinity", or "-infinity". otherwise the result is a decimal representation of the number, possibly using exponential notation. otherwise v is an object. ...
...s might be "nan", "infinity", or "-infinity". otherwise the result is a decimal representation of the number, possibly using exponential notation. otherwise v is an object. js_valuetostring uses the steps below to convert it to a string. if at any point an error or exception occurs, or conversion succeeds, the rest of the steps are skipped. (this behavior is implemented by v's jsobjectops.defaultvalue method, so host objects can override it all.) if v.tostring() is a function, it is called. if that method returns a primitive value, the value is converted to a string as described above and conversion succeeds. otherwise, the resulting object's jsclass.convert callback is called. for standard classes, this is js_convertstub, which simply calls v.valueof() if present. if the convert cal...
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IAccessibleValue
other-licenses/ia2/accessiblevalue.idlnot scriptable this interface gives access to a single numerical value. 1.0 66 introduced gecko 1.9 inherits from: iunknown last changed in gecko 1.9 (firefox 3) the iaccessiblevalue interface represents a single numerical value and should be implemented by any class that supports numerical value like progress bars and spin boxes. this interface lets you access the value and its upper and lower bounds. method overview [propget] hresult currentvalue([out] variant currentvalue ); [propget] hresult maximumvalue([out] variant maximumvalue ); [propget] hresult minimumvalue([out] variant minimumvalue ); hresult setcurrentvalue([in] variant value ); methods currentvalue() returns the value of this object as a number. t...
...currentvalue([out] variant currentvalue ); [propget] hresult maximumvalue([out] variant maximumvalue ); [propget] hresult minimumvalue([out] variant minimumvalue ); hresult setcurrentvalue([in] variant value ); methods currentvalue() returns the value of this object as a number. the exact return type is implementation dependent. typical types are long and double. [propget] hresult currentvalue( [out] variant currentvalue ); parameters currentvalue returns the current value represented by this object. see the section about. return value s_false if there is nothing to return, [out] value is null. s_ok. maximumvalue() returns the maximal value that can be represented by this object. the type of the returned value is implementation dependent. it does not have to be the same type as th...
...e ); parameters currentvalue returns the current value represented by this object. see the section about. return value s_false if there is nothing to return, [out] value is null. s_ok. maximumvalue() returns the maximal value that can be represented by this object. the type of the returned value is implementation dependent. it does not have to be the same type as that returned by method currentvalue(). [propget] hresult maximumvalue( [out] variant maximumvalue ); parameters maximumvalue returns the maximal value in an implementation dependent type. if this object has no upper bound then an empty object is returned. see the section about. return value s_ok. minimumvalue() returns the minimal value that can be represented by this object. ...
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CSSMathValue - Web APIs
event handlers no methods none. examples we create an element with a width determined using a calc() function, then console.log() the operator. ...
... event handlers no methods none. examples we create an element with a width determined using a calc() function, then console.log() the operator. ...
... event handlers no methods none. examples we create an element with a width determined using a calc() function, then console.log() the operator. ...
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Node.nodeValue - Web APIs
the nodevalue property of the node interface returns or sets the value of the current node. syntax str = node.nodevalue; node.nodevalue = str; value str is a string containing the value of the current node, if any. for the document itself, nodevalue returns null. for text, comment, and cdata nodes, nodevalue returns the content of the node. for attribute nodes, the value of the attribute is returned. ...
...turns or sets the value of the current node. syntax str = node.nodevalue; node.nodevalue = str; value str is a string containing the value of the current node, if any. for the document itself, nodevalue returns null. for text, comment, and cdata nodes, nodevalue returns the content of the node. for attribute nodes, the value of the attribute is returned. ...
...tax str = node.nodevalue; node.nodevalue = str; value str is a string containing the value of the current node, if any. for the document itself, nodevalue returns null. for text, comment, and cdata nodes, nodevalue returns the content of the node. for attribute nodes, the value of the attribute is returned. ...
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RadioNodeList.value - Web APIs
if the underlying element collection contains radio buttons, the radionodelist.value property represents the checked radio button. on retrieving the value property, the value of the currently checked radio button is returned as a string. if the collection does not contain any radio buttons or none of the radio buttons in the collection is in checked state, the empty string is returned. on setting the value property, the first radio button input element whose value property is equal to the new value will be set to checked. ...
...rieving the value property, the value of the currently checked radio button is returned as a string. if the collection does not contain any radio buttons or none of the radio buttons in the collection is in checked state, the empty string is returned. on setting the value property, the first radio button input element whose value property is equal to the new value will be set to checked. ...
...erty, the value of the currently checked radio button is returned as a string. if the collection does not contain any radio buttons or none of the radio buttons in the collection is in checked state, the empty string is returned. on setting the value property, the first radio button input element whose value property is equal to the new value will be set to checked. ...
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XRInputSourceArray.values() - Web APIs
each pass through the loop, source is the next xrinputsource in the list. ...
...each pass through the loop, source is the next xrinputsource in the list. ...
...each pass through the loop, source is the next xrinputsource in the list. ...
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XRWebGLLayer.ignoreDepthValues - Web APIs
the read-only xrwebgllayer property ignoredepthvalues is a boolean value which is true if the session has been configured to ignore the values in the depth buffer while rendering the scene. if the depth buffer is being used to determine the position of vertices, this property is false. the value of ignoredepthvalues can only be set when the xrwebgllayer is instantiated, by setting the corresponding value in the xrwebgllayerinit object specified as the constructor's layerinit parameter. as a parameter you're likely to set yourself, it is unlikely you'll need to read it later, but it's available if the need arises. ...
...alse. the value of ignoredepthvalues can only be set when the xrwebgllayer is instantiated, by setting the corresponding value in the xrwebgllayerinit object specified as the constructor's layerinit parameter. as a parameter you're likely to set yourself, it is unlikely you'll need to read it later, but it's available if the need arises. syntax let ignoringdepthbuffer = xrwebgllayer.ignoredepthvalues; value a boolean value which is true if the webgl context's depth buffer is being used while computing the locations of points in the 3d world. otherwise, if this is true, the depth buffer's values are being used to assist in placing objects in the scene. ...
...need arises. syntax let ignoringdepthbuffer = xrwebgllayer.ignoredepthvalues; value a boolean value which is true if the webgl context's depth buffer is being used while computing the locations of points in the 3d world. otherwise, if this is true, the depth buffer's values are being used to assist in placing objects in the scene. since the xr compositor uses the depth buffer by default, this value is false unless explicitly set otherwise when creating the xrwebgllayer using its constructor, xrwebgllayer(). usage notes when the ignoredepthvalues property is false, the xr compositor uses the values found in the depth buffer, which should be accurate for the scene, in order to potentially improve the quality or the output as well as the comfort level for the viewer. the depth buffer is fra...
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CSS Logical Properties and Values - CSS: Cascading Style Sheets
the physical meaning of these terms depends on the writing mode. ...
...the physical meaning of these terms depends on the writing mode. ...
...the physical meaning of these terms depends on the writing mode. ...
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tableValues - SVG: Scalable Vector Graphics
the tablevalues attribute defines a list of numbers defining a lookup table of values for a for a color component transfer function. ...
...adient id="gradient" gradientunits="userspaceonuse" x1="0" y1="0" x2="200" y2="0"> <stop offset="0" stop-color="#ff0000" /> <stop offset="0.5" stop-color="#00ff00" /> <stop offset="1" stop-color="#0000ff" /> </lineargradient> </defs> <filter id="componenttransfer1" x="0" y="0" width="100%" height="100%"> <fecomponenttransfer> <fefuncr type="table" tablevalues="0 1"/> <fefuncg type="table" tablevalues="0 1"/> <fefuncb type="table" tablevalues="0 1"/> </fecomponenttransfer> </filter> <filter id="componenttransfer2" x="0" y="0" width="100%" height="100%"> <fecomponenttransfer> <fefuncr type="table" tablevalues="1 0"/> <fefuncg type="table" tablevalues="1 0"/> <fefuncb type="table" tablevalues="1 0"/> </fecom...
...each number can be between 0 and 1. ...
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deleteValue - Archive of obsolete content
returns 0 if it succeeded; a nonzero number if it failed to schedule the deletion. ...
... returns 0 if it succeeded; a nonzero number if it failed to schedule the deletion. ...
... returns 0 if it succeeded; a nonzero number if it failed to schedule the deletion. ...
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valueExists - Archive of obsolete content
valueexists returns whether a value for the given key exists. method of winreg object syntax boolean valueexists ( string key, string value ); parameters the method has the following parameters: key a string representing the path to the key. value a string representing the value being queried. returns boolean value: true if the key exists and the user has read access to it, otherwise false. ...
...eters the method has the following parameters: key a string representing the path to the key. value a string representing the value being queried. returns boolean value: true if the key exists and the user has read access to it, otherwise false. ...
... parameters: key a string representing the path to the key. value a string representing the value being queried. returns boolean value: true if the key exists and the user has read access to it, otherwise false. ...
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NPP_SetValue - Archive of obsolete content
« gecko plugin api reference « plug-in side plug-in api summary implemented by plugins. this call is used to inform plugins of variable information controlled by the browser. syntax #include <npapi.h> nperror npp_setvalue(void *instance, npnvariable variable, void *value); parameters the function has the following parameters: instance pointer to plugin instance on which to set the variable. variable the variable being set. value value for the variable being set. ...
... void *value); parameters the function has the following parameters: instance pointer to plugin instance on which to set the variable. variable the variable being set. value value for the variable being set. returns if successful, the function should return nperr_no_error. if unsuccessful, the function should return the most relevant npapi error code. for possible values, see error codes. ...
...rameters: instance pointer to plugin instance on which to set the variable. variable the variable being set. value value for the variable being set. returns if successful, the function should return nperr_no_error. if unsuccessful, the function should return the most relevant npapi error code. ...
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JS::AutoValueArray
this article covers features introduced in spidermonkey 31 root an internal fixed-size array of js::values. syntax js::autovaluearray<n> vp(cx); name type description cx jscontext * the context in which to add the root. requires request. in a js_threadsafe build, the caller must be in a request on this jscontext. n size_t size of a js::value array. description js::autovaluearray<n> holds a rooted array of js::value. this is typically used for local variables being passed to function which requires js::handlevaluearray or a pointer to js::value array. examples pass to function as a pointer to js::value. ...
... on this jscontext. n size_t size of a js::value array. description js::autovaluearray<n> holds a rooted array of js::value. this is typically used for local variables being passed to function which requires js::handlevaluearray or a pointer to js::value array. examples pass to function as a pointer to js::value. bool somefunction1(jscontext *cx, unsigned argc, const js::value *argv) { /* ... */ } js::autovaluearray<2> args(cx); /* ... initialize args[0] and args[1] here ... */ somefunction1(cx, 2, args.begin()); pass to function as js::handlevaluearray. bool somefunction2(jscontext *cx, const js::handlevaluearray &args) { /* ... */ } js::autovaluearray<2> args(cx); /* ... initialize args[0] and args[1] here ... */ somefunction2(cx, args); see also mxr id...
.../ } js::autovaluearray<2> args(cx); /* ... initialize args[0] and args[1] here ... */ somefunction1(cx, 2, args.begin()); pass to function as js::handlevaluearray. bool somefunction2(jscontext *cx, const js::handlevaluearray &args) { /* ... */ } js::autovaluearray<2> args(cx); /* ... initialize args[0] and args[1] here ... ...
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JS::BooleanValue
this article covers features introduced in spidermonkey 24 convert a c boolean of type bool to a js::value. syntax js::value js::booleanvalue(bool boo) name type description boo bool c bool to convert. description js::booleanvalue converts a c boolean of type bool to js::value, the type of javascript values. ...
... this article covers features introduced in spidermonkey 24 convert a c boolean of type bool to a js::value. syntax js::value js::booleanvalue(bool boo) name type description boo bool c bool to convert. description js::booleanvalue converts a c boolean of type bool to js::value, the type of javascript values. ...
...cle covers features introduced in spidermonkey 24 convert a c boolean of type bool to a js::value. syntax js::value js::booleanvalue(bool boo) name type description boo bool c bool to convert. description js::booleanvalue converts a c boolean of type bool to js::value, the type of javascript values. ...
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JS::DoubleNaNValue
this article covers features introduced in spidermonkey 24 create a not-a-number (nan) floating-point number as a value of type js::value. syntax js::value js::doublenanvalue() description js::doublenanvalue returns a value of type js::value that represents an ieee floating-point quiet not-a-number (nan). ...
... this article covers features introduced in spidermonkey 24 create a not-a-number (nan) floating-point number as a value of type js::value. syntax js::value js::doublenanvalue() description js::doublenanvalue returns a value of type js::value that represents an ieee floating-point quiet not-a-number (nan). ...
... article covers features introduced in spidermonkey 24 create a not-a-number (nan) floating-point number as a value of type js::value. syntax js::value js::doublenanvalue() description js::doublenanvalue returns a value of type js::value that represents an ieee floating-point quiet not-a-number (nan). ...
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JS::FalseValue
this article covers features introduced in spidermonkey 24 create a js::value that represents the javascript value false. syntax js::value js::falsevalue() description js::falsevalue creates a js::value that represents the javascript value false. ...
... this article covers features introduced in spidermonkey 24 create a js::value that represents the javascript value false. syntax js::value js::falsevalue() description js::falsevalue creates a js::value that represents the javascript value false. ...
... this article covers features introduced in spidermonkey 24 create a js::value that represents the javascript value false. syntax js::value js::falsevalue() description js::falsevalue creates a js::value that represents the javascript value false. ...
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JS::NullHandleValue
this article covers features introduced in spidermonkey 24 the js::value that represents the javascript value null. syntax const js::handlevalue js::nullhandlevalue; description js::nullhandlevalue is a js::handlevalue constant that represents the javascript value null. ...
... this article covers features introduced in spidermonkey 24 the js::value that represents the javascript value null. syntax const js::handlevalue js::nullhandlevalue; description js::nullhandlevalue is a js::handlevalue constant that represents the javascript value null. ...
... this article covers features introduced in spidermonkey 24 the js::value that represents the javascript value null. syntax const js::handlevalue js::nullhandlevalue; description js::nullhandlevalue is a js::handlevalue constant that represents the javascript value null. ...
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JS::TrueHandleValue
this article covers features introduced in spidermonkey 38 the js::value that represents the javascript value true. syntax const js::handlevalue js::truehandlevalue; const js::handlevalue js::falsehandlevalue; description js::truehandlevalue and js::falsehandlevalue are js::handlevalue constants that represent the javascript values true and false. ...
... article covers features introduced in spidermonkey 38 the js::value that represents the javascript value true. syntax const js::handlevalue js::truehandlevalue; const js::handlevalue js::falsehandlevalue; description js::truehandlevalue and js::falsehandlevalue are js::handlevalue constants that represent the javascript values true and false. ...
...pidermonkey 38 the js::value that represents the javascript value true. syntax const js::handlevalue js::truehandlevalue; const js::handlevalue js::falsehandlevalue; description js::truehandlevalue and js::falsehandlevalue are js::handlevalue constants that represent the javascript values true and false. ...
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JS::TrueValue
this article covers features introduced in spidermonkey 24 create a js::value that represents the javascript value true. syntax js::value js::truevalue() description js::truevalue creates a js::value that represents the javascript value true. ...
... this article covers features introduced in spidermonkey 24 create a js::value that represents the javascript value true. syntax js::value js::truevalue() description js::truevalue creates a js::value that represents the javascript value true. ...
... this article covers features introduced in spidermonkey 24 create a js::value that represents the javascript value true. syntax js::value js::truevalue() description js::truevalue creates a js::value that represents the javascript value true. ...
...And 2 more matches

JS::UndefinedHandleValue
this article covers features introduced in spidermonkey 24 the js::value that represents the javascript value undefined. syntax const js::handlevalue js::undefinedhandlevalue; description js::undefinedhandlevalue is a js::handlevalue constant that represents the javascript value undefined. ...
... this article covers features introduced in spidermonkey 24 the js::value that represents the javascript value undefined. syntax const js::handlevalue js::undefinedhandlevalue; description js::undefinedhandlevalue is a js::handlevalue constant that represents the javascript value undefined. ...
... this article covers features introduced in spidermonkey 24 the js::value that represents the javascript value undefined. syntax const js::handlevalue js::undefinedhandlevalue; description js::undefinedhandlevalue is a js::handlevalue constant that represents the javascript value undefined. ...
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JSObjectOps.defaultValue
l work in some browsers, its use is discouraged since it could be removed at any time. try to avoid using it. warning! jsobjectops is not a supported api. details of the api may change from one release to the next. this documentation should be considered spidermonkey internals documentation, not api documentation. see bug 408416 for details. the javascript engine calls the jsobjectops.defaultvalue and jsclass.convert callbacks to convert objects to primitive values. syntax typedef jsbool (*jsconvertop)(jscontext *cx, jsobject *obj, jstype type, jsval *vp); name type description cx jscontext * pointer to the js context in which the conversion is needed. obj jsobject * the object to be converted. type jstype the target type...
...ol (*jsconvertop)(jscontext *cx, jsobject *obj, jstype type, jsval *vp); name type description cx jscontext * pointer to the js context in which the conversion is needed. obj jsobject * the object to be converted. type jstype the target type. vp jsval * out parameter. on success, the callback must store the converted value here. description the jsobjectops.defaultvalue callback corresponds to the [[defaultvalue]] method defined in ecma 262-3 §8.6.2.6. many expressions in the ecmascript language, such as a+b, involve implicit conversion of the operands using [[defaultvalue]]. the default [[defaultvalue]] behavior for ordinary objects is as described in es5 §8.12.8. it calls the javascript methods obj.valu...
...corresponds to the [[defaultvalue]] method defined in ecma 262-3 §8.6.2.6. many expressions in the ecmascript language, such as a+b, involve implicit conversion of the operands using [[defaultvalue]]. the default [[defaultvalue]] behavior for ordinary objects is as described in es5 §8.12.8. it calls the javascript methods obj.valueof() and/or obj.tostring(). provide a custom jsobjectops.defaultvalue callback to implement customized [[defaultvalue]] behavior. the jsclass.convert callback should convert obj to the given type, returning js_true with the resulting value in *vp on success, and returning js_false on error or exception. ...
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JS_DefaultValue
obsolete since jsapi 44this feature is obsolete. although it may still work in some browsers, its use is discouraged since it could be removed at any time. try to avoid using it. this article covers features introduced in spidermonkey 1.8.6 converts a javascript object to a primitive value, using the semantics of that object's internal [[defaultvalue]] hook. renamed to js::toprimitive from jsapi 44. syntax bool js_defaultvalue(jscontext *cx, js::handle<jsobject*> obj, jstype hint, js::mutablehandle<js::value> vp); name type description cx jscontext * the context in which to perform the conversion. requires request. in a js_threadsafe build, the caller must be in a request on this jscontext. obj js::handle&lt;jsobject*&g...
...e hint, js::mutablehandle<js::value> vp); name type description cx jscontext * the context in which to perform the conversion. requires request. in a js_threadsafe build, the caller must be in a request on this jscontext. obj js::handle&lt;jsobject*&gt; the object to convert. hint jstype the hint to pass to the [[defaultvalue]] hook when converting the object. hint must be jstype_string or jstype_number to pass the corresponding type as a hint, or jstype_void to pass no hint. do not pass any other type. vp js::mutablehandle&lt;js::value&gt; out parameter. on success, *vp receives the converted value. ...
...convert. hint jstype the hint to pass to the [[defaultvalue]] hook when converting the object. hint must be jstype_string or jstype_number to pass the corresponding type as a hint, or jstype_void to pass no hint. do not pass any other type. vp js::mutablehandle&lt;js::value&gt; out parameter. on success, *vp receives the converted value. description js_defaultvalue converts a javascript object, obj, to a primitive value using that object's [[defaultvalue]] hook. ecmascript specifies that all objects have a [[defaultvalue]] hook. objects with classes defined by ecmascript itself all use the [[defaultvalue]] algorithm specified in §8.12.8 (but note the algorithm's special case for date objects). objects with a custom jsclass specified by the embedder will in...
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JS_ValueToECMAInt32
obsolete since jsapi 28this feature is obsolete. although it may still work in some browsers, its use is discouraged since it could be removed at any time. try to avoid using it. convert a javascript value to an integer type as specified by the ecmascript standard. syntax jsbool js_valuetoecmaint32(jscontext *cx, jsval v, int32 *ip); jsbool js_valuetoecmauint32(jscontext *cx, jsval v, uint32 *ip); jsbool js_valuetouint16(jscontext *cx, jsval v, uint16 *ip); name type description cx jscontext * the context in which to perform the conversion. requires request. in a js_threadsafe build, the caller must be in a request on this jscontext. v jsval the javascript value to convert. ip int32 * or uint32 * or int16 * out parameter. o...
...t *cx, jsval v, uint16 *ip); name type description cx jscontext * the context in which to perform the conversion. requires request. in a js_threadsafe build, the caller must be in a request on this jscontext. v jsval the javascript value to convert. ip int32 * or uint32 * or int16 * out parameter. on success, *ip receives the converted value. ...
... name type description cx jscontext * the context in which to perform the conversion. requires request. in a js_threadsafe build, the caller must be in a request on this jscontext. v jsval the javascript value to convert. ip int32 * or uint32 * or int16 * out parameter. on success, *ip receives the converted value. ...
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AudioParam.exponentialRampToValueAtTime() - Web APIs
the exponentialramptovalueattime() method of the audioparam interface schedules a gradual exponential change in the value of the audioparam. the change starts at the time specified for the previous event, follows an exponential ramp to the new value given in the value parameter, and reaches the new value at the time given in the endtime parameter. note: exponential ramps are considered more useful when changing frequencies or playback rates than linear ramps because of the way the human ear works. syntax var audioparam = audioparam.exponentialramptovalueattime(value, endtime) parameters value a floating point number representing the value the audioparam will ramp to by the given time. endtime a double representing the exact time (in seconds) after the ramping starts that the chan...
...ng frequencies or playback rates than linear ramps because of the way the human ear works. syntax var audioparam = audioparam.exponentialramptovalueattime(value, endtime) parameters value a floating point number representing the value the audioparam will ramp to by the given time. endtime a double representing the exact time (in seconds) after the ramping starts that the changing of the value will stop. returns a reference to this audioparam object. in some browsers older implementations of this interface return void. ...
... (in seconds) after the ramping starts that the changing of the value will stop. returns a reference to this audioparam object. in some browsers older implementations of this interface return void. examples in this example, we have a media source with two control buttons (see the audio-param repo for the source code, or view the example live.) when these buttons are pressed, exponentialramptovalueattime() is used to fade the gain value up to 1.0, and down to 0, respectively. this is pretty useful for fade in/fade out effects: // create audio context var audiocontext = window.audiocontext || window.webkitaudiocontext; var audioctx = new audiocontext(); // set basic variables for example var myaudio = document.queryselector('audio'); var pre = document.queryselector('pre'); var myscript = ...
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CSSUnparsedValue.entries() - Web APIs
specifications specification status comment css typed om level 1the definition of 'entries()' in that specification. ...
... specifications specification status comment css typed om level 1the definition of 'entries()' in that specification. ...
... specifications specification status comment css typed om level 1the definition of 'entries()' in that specification. ...
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CSSValueList - Web APIs
the cssvaluelist interface derives from the cssvalue interface and provides the abstraction of an ordered collection of css values. some properties allow an empty list in their syntax. in that case, these properties take the none identifier. so, an empty list means that the property has the value none. the items in the cssvaluelist are accessible via an integral index, starting from 0. ...
...elist are accessible via an integral index, starting from 0. ...
...; position: absolute; top: 0; left: 0;" viewbox="-50 0 600 70" preserveaspectratio="xminymin meet"><a xlink:href="/docs/web/api/cssvalue" target="_top"><rect x="1" y="1" width="80" height="50" fill="#fff" stroke="#d4dde4" stroke-width="2px" /><text x="41" y="30" font-size="12px" font-family="consolas,monaco,andale mono,monospace" fill="#4d4e53" text-anchor="middle" alignment-baseline="middle">cssvalue</text></a><polyline points="81,25 91,20 91,30 81,25" stroke="#d4dde4" fill="none"/><line x1="91" y1="25" x2="121" y2="25" stroke="#d4dde4"/><a xlink:href="/docs/web/api/cssvaluelist" target="_top"><rect x="121" y="1" width="120" height="50" fill="#f4f7f8" stroke="#d4dde4" stroke-width="2px" /><text x="181" y="30" font-size="12px" font-family="consolas,monaco,andale mono,monospace" fill="#4d4e...
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Headers.values() - Web APIs
the headers.values() method returns an iterator allowing to go through all values contained in this object. the values are bytestring objects. note: this method is available in web workers. syntax headers.values(); return value returns an iterator. ...
...an iterator allowing to go through all values contained in this object. the values are bytestring objects. note: this method is available in web workers. syntax headers.values(); return value returns an iterator. ...
...wing to go through all values contained in this object. the values are bytestring objects. note: this method is available in web workers. syntax headers.values(); return value returns an iterator. ...
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MutationObserverInit.attributeOldValue - Web APIs
the mutationobserverinit dictionary's optional attributeoldvalue property is used to specify whether or not to record the prior value of the altered attribute in mutationrecord objects denoting attribute value changes. syntax var options = { attributeoldvalue: true | false } value a boolean value indicating whether or not the prior value of a changed attribute should be included in the mutationobserver.oldvalue property when reporting attribute value changes. if true, oldvalue is set accordingly. if false, it is not. when using attributeoldvalue, setting the attributes option to true is optional. example in this example, a mutation observer is set up to watch for changes to the status and username attributes in any elements contained within a subtree that displays the names of users ...
...ple, reflect changes to users' nicknames, or to mark them as away from keyboard (afk) or offline. function callback(mutationlist) { mutationlist.foreach(function(mutation) { switch(mutation.type) { case "attributes": notifyuser("attribute name " + mutation.attributename + " changed to " + mutation.target[mutation.attributename] + " (was " + mutation.oldvalue + ")"); break; } }); } var targetnode = document.queryselector("#target"); var observer = new mutationobserver(callback); observer.observe(targetnode, { attributes: true, attributeoldvalue: true }); the callback() function—which will be passed into the observe() method when starting the observer, looks at each item in the list of mutationrecord objects. for any items repres...
...ocument.queryselector("#target"); var observer = new mutationobserver(callback); observer.observe(targetnode, { attributes: true, attributeoldvalue: true }); the callback() function—which will be passed into the observe() method when starting the observer, looks at each item in the list of mutationrecord objects. ...
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Shapes from box values - CSS: Cascading Style Sheets
a straightforward way to create a shape is to use a value from the css box model. this article explains how to do this. the box values allowable as a shape value are: content-box padding-box border-box margin-box the border-radius values are also supported, this means that you can have something in your page with a curved border, and your shape can follow the created shape. css box model the values listed above correspond to the various parts of the css box model. a box in css has content, padding, border, and margin. by using box values for shapes we can wrap our content around the edges defined by these values. in all of the examples below i am using an element which has padding, a border, and a margin defined in order that you can see the different ways in which content will f...
...ve been used in defining the element. in the example below, we have a circular purple item which is a <div> with a height, width, and background colour. the border-radius property has been used to create a circle by setting border-radius: 50%. as the element has a margin, you can see that the content is flowing around the circular shape and the margin applied to it. border-box the border-box value is the shape defined by the outside border edge. this shape follows all of the normal border radius shaping rules for the outside of the border. you still have a border, even if you have not used the css border property. in this case it will be the same as padding-box, the shape defined by the outside padding edge. in the example below you can see how the text now follows the line created by the...
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<alpha-value> - CSS: Cascading Style Sheets
the <alpha-value> css data type represents a value that can be either a <number> or a <percentage>, specifying the alpha channel or transparency of a color. syntax the value of an <alpha-value> is given as either a <number> or a <percentage>. if given as a number, the useful range is 0 (fully transparent) to 1.0 (fully opaque), with decimal values in between; that is, 0.5 indicates that half of the foreground color is used and half of the background color is used. values outside the range of 0 to 1 are permitted, but are clamped to like within the range 0 to 1. if the alpha value is given as a percentage, 0% corresponds to fully transparent while 100% indicates fully opaque. ...
...ully opaque), with decimal values in between; that is, 0.5 indicates that half of the foreground color is used and half of the background color is used. values outside the range of 0 to 1 are permitted, but are clamped to like within the range 0 to 1. if the alpha value is given as a percentage, 0% corresponds to fully transparent while 100% indicates fully opaque. interpolation when animated, values of the <alpha-value> css data type are interpolated as real, floating-point numbers. the speed of the interpolation is determined by the timing function associated with the animation. ...
...0 to 1. if the alpha value is given as a percentage, 0% corresponds to fully transparent while 100% indicates fully opaque. interpolation when animated, values of the <alpha-value> css data type are interpolated as real, floating-point numbers. the speed of the interpolation is determined by the timing function associated with the animation. ...
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TypeError: Reduce of empty array with no initial value - JavaScript
the javascript exception "reduce of empty array with no initial value" occurs when a reduce function is used. message typeerror: reduce of empty array with no initial value error type typeerror what went wrong? in javascript, there are several reduce functions: array.prototype.reduce(), array.prototype.reduceright() and typedarray.prototype.reduce(), typedarray.prototype.reduceright()). these functions optionally take an initialvalue (which will be used as the first argument to the first call of the callback). however, if no initial value is provided, it will use the first element of the array or typedarray as the initial value. this error is raised when an empty array is provided because no initial value can be returned in that case. examples invalid cases this problem appear...
...st element of the array or typedarray as the initial value. this error is raised when an empty array is provided because no initial value can be returned in that case. examples invalid cases this problem appears frequently when combined with a filter (array.prototype.filter(), typedarray.prototype.filter()) which will remove all elements of the list. thus leaving none to be used as the initial value. var ints = [0, -1, -2, -3, -4, -5]; ints.filter(x => x > 0) // removes all elements .reduce((x, y) => x + y) // no more elements to use for the initial value. similarly, the same issue can happen if there is a typo in a selector, or an unexpected number of elements in a list: var names = document.getelementsbyclassname("names"); var name_list = array.prototype.reduce.call(names...
... to use for the initial value. similarly, the same issue can happen if there is a typo in a selector, or an unexpected number of elements in a list: var names = document.getelementsbyclassname("names"); var name_list = array.prototype.reduce.call(names, (acc, name) => acc + ", " + name); valid cases these problems can be solved in two different ways. one way is to actually provide an initialvalue as the neutral element of the operator, such as 0 for the addition, 1 for a multiplication, or an empty string for a concatenation. ...
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value - Archive of obsolete content
« xul reference value type: string gets and sets the value of the value attribute. for textbox and user editable menulist elements, the contents, as visible to the user, are read and set using the textbox.value and menulist.value syntax. ...
... « xul reference value type: string gets and sets the value of the value attribute. for textbox and user editable menulist elements, the contents, as visible to the user, are read and set using the textbox.value and menulist.value syntax. ...
... « xul reference value type: string gets and sets the value of the value attribute. for textbox and user editable menulist elements, the contents, as visible to the user, are read and set using the textbox.value and menulist.value syntax. ...
... « xul reference value type: string gets and sets the value of the value attribute. for textbox and user editable menulist elements, the contents, as visible to the user, are read and set using the textbox.value and menulist.value syntax. ...

valueNumber - Archive of obsolete content
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NPN_GetValueForURL - Archive of obsolete content
« gecko plugin api reference « browser side plug-in api summary provides information to a plugin which is associated with a given url, for example the cookies or preferred proxy. syntax #include <npapi.h> typedef enum { npnurlvcookie = 501, npnurlvproxy } npnurlvariable; nperror npn_getvalueforurl(npp instance, npnurlvariable variable, const char *url, char **value, uint32_t *len); parameters this function has the following parameters: instance pointer to the current plug-in instance. variable selects the type of information to be retrieved (npnurlvcookie or npnurlvproxy) url the url for which to fetch information. value out parameter. the browser passes back the reques...
...stance pointer to the current plug-in instance. variable selects the type of information to be retrieved (npnurlvcookie or npnurlvproxy) url the url for which to fetch information. value out parameter. the browser passes back the requested information. if the function succeeds, the result buffer will be allocated with npn_memalloc; the plugin is responsible for freeing the buffer. note: the value may have internal null bytes and may not be null-terminated. ...
...the url for which to fetch information. value out parameter. the browser passes back the requested information. if the function succeeds, the result buffer will be allocated with npn_memalloc; the plugin is responsible for freeing the buffer. note: the value may have internal null bytes and may not be null-terminated. when multiple cookies are returned for a given url, the format of the return value is: cookie1=value1;cookie2=value2;cookie3=value3 len out parameter. the length of the returned value buffer. returns if successful, the function returns nperr_no_error. if unsuccessful, the function returns an error code. for possible values, see error codes. description this entry point is designed to allow plugins which implement their own http stacks to form requests to the web server...
...e3 len out parameter. the length of the returned value buffer. returns if successful, the function returns nperr_no_error. if unsuccessful, the function returns an error code. for possible values, see error codes. description this entry point is designed to allow plugins which implement their own http stacks to form requests to the web server in the same way the browser does. ...

JS::NullValue
this article covers features introduced in spidermonkey 24 create a js::value that represents the javascript value null. syntax js::value js::nullvalue(); description js::nullvalue creates a js::value that represents the javascript value null. ...
... this article covers features introduced in spidermonkey 24 create a js::value that represents the javascript value null. syntax js::value js::nullvalue(); description js::nullvalue creates a js::value that represents the javascript value null. ...
... this article covers features introduced in spidermonkey 24 create a js::value that represents the javascript value null. syntax js::value js::nullvalue(); description js::nullvalue creates a js::value that represents the javascript value null. ...
... this article covers features introduced in spidermonkey 24 create a js::value that represents the javascript value null. syntax js::value js::nullvalue(); description js::nullvalue creates a js::value that represents the javascript value null. ...

JS::ObjectOrNullValue
this article covers features introduced in spidermonkey 24 convert a jsobject or null pointer to a js::value. syntax js::value js::objectornullvalue(jsobject* obj) name type description str jsobject* a pointer to a jsobject or null to convert. description js::objectvalue converts a given jsobject to js::value. if the pointer is null, it returns javascript null. ...
...pointer to a js::value. syntax js::value js::objectornullvalue(jsobject* obj) name type description str jsobject* a pointer to a jsobject or null to convert. description js::objectvalue converts a given jsobject to js::value. if the pointer is null, it returns javascript null. the conversion always succeeds. ...
...a js::value. syntax js::value js::objectornullvalue(jsobject* obj) name type description str jsobject* a pointer to a jsobject or null to convert. description js::objectvalue converts a given jsobject to js::value. if the pointer is null, it returns javascript null. the conversion always succeeds. ...
...ntax js::value js::objectornullvalue(jsobject* obj) name type description str jsobject* a pointer to a jsobject or null to convert. description js::objectvalue converts a given jsobject to js::value. if the pointer is null, it returns javascript null. the conversion always succeeds. ...

JS::ObjectValue
this article covers features introduced in spidermonkey 24 convert a jsobject to a js::value. syntax js::value js::objectvalue(jsobject& obj) name type description str jsobject&amp; a reference to a jsobject to convert. description js::objectvalue converts a given jsobject to js::value. the conversion always succeeds. ...
...ticle covers features introduced in spidermonkey 24 convert a jsobject to a js::value. syntax js::value js::objectvalue(jsobject& obj) name type description str jsobject&amp; a reference to a jsobject to convert. description js::objectvalue converts a given jsobject to js::value. the conversion always succeeds. ...
...s features introduced in spidermonkey 24 convert a jsobject to a js::value. syntax js::value js::objectvalue(jsobject& obj) name type description str jsobject&amp; a reference to a jsobject to convert. description js::objectvalue converts a given jsobject to js::value. the conversion always succeeds. ...
...n spidermonkey 24 convert a jsobject to a js::value. syntax js::value js::objectvalue(jsobject& obj) name type description str jsobject&amp; a reference to a jsobject to convert. description js::objectvalue converts a given jsobject to js::value. the conversion always succeeds. ...

JS::UndefinedValue
this article covers features introduced in spidermonkey 24 create a js::value that represents the javascript value undefined. syntax js::value js::undefinedvalue(); description js::undefinedvalue creates a js::value that represents the javascript value undefined. ...
... this article covers features introduced in spidermonkey 24 create a js::value that represents the javascript value undefined. syntax js::value js::undefinedvalue(); description js::undefinedvalue creates a js::value that represents the javascript value undefined. ...
... this article covers features introduced in spidermonkey 24 create a js::value that represents the javascript value undefined. syntax js::value js::undefinedvalue(); description js::undefinedvalue creates a js::value that represents the javascript value undefined. ...
... this article covers features introduced in spidermonkey 24 create a js::value that represents the javascript value undefined. syntax js::value js::undefinedvalue(); description js::undefinedvalue creates a js::value that represents the javascript value undefined. ...

JS_NewDoubleValue
obsolete since jsapi 17this feature is obsolete. although it may still work in some browsers, its use is discouraged since it could be removed at any time. try to avoid using it. use js_numbervalue instead. create a floating-point jsval syntax jsbool js_newdoublevalue(jscontext *cx, jsdouble d, jsval *rval); name type description cx jscontext * the context in which to create the new number. requires request. in a js_threadsafe build, the caller must be in a request on this jscontext. d jsdouble the numeric value to convert. this must not be a value that could fit in an integer jsval (see int_fits_in_jsval). rval jsval * out parameter. on success, *rval receives a javascript number with the value d. description ...
...to create the new number. requires request. in a js_threadsafe build, the caller must be in a request on this jscontext. d jsdouble the numeric value to convert. this must not be a value that could fit in an integer jsval (see int_fits_in_jsval). rval jsval * out parameter. on success, *rval receives a javascript number with the value d. description js_newdoublevalue creates a floating-point jsval. warning: the argument d must not be a value that could fit in an integer jsval. if it is, js_newdoublevalue creates a bad jsval that might behave as desired in some cases but not others. the result is subject to garbage collection until you protect against it using a local root, an object property, or the js_addroot function. this can be avoided by using the ...
...must not be a value that could fit in an integer jsval. if it is, js_newdoublevalue creates a bad jsval that might behave as desired in some cases but not others. the result is subject to garbage collection until you protect against it using a local root, an object property, or the js_addroot function. this can be avoided by using the address of a rooted variable as rval. on success, js_newdoublevalue stores a numeric jsval in *rval and returns js_true. otherwise it returns js_false and the value left in *rval is unspecified. ...
...t others. the result is subject to garbage collection until you protect against it using a local root, an object property, or the js_addroot function. ...

JS_NumberValue
this article covers features introduced in spidermonkey 17 convert a c floating-point number of type double to a js::value. replacement to js_newnumbervalue, js_newdoublevalue, js_newdouble. syntax // added in spidermonkey 42 js::value js_numbervalue(double d); // obsolete since spidermonkey 42 jsval js_numbervalue(double d); name type description d double the numeric value to convert. description js_numbervalue converts a c floating-point number of type double to js::value, the type of javascript values. the result is an integer js::value if d can be stored that way. ...
...uble d); // obsolete since spidermonkey 42 jsval js_numbervalue(double d); name type description d double the numeric value to convert. description js_numbervalue converts a c floating-point number of type double to js::value, the type of javascript values. the result is an integer js::value if d can be stored that way. otherwise, a new floating-point js::value is created. ...
...rvalue(double d); name type description d double the numeric value to convert. description js_numbervalue converts a c floating-point number of type double to js::value, the type of javascript values. the result is an integer js::value if d can be stored that way. otherwise, a new floating-point js::value is created. ...
...n d double the numeric value to convert. description js_numbervalue converts a c floating-point number of type double to js::value, the type of javascript values. the result is an integer js::value if d can be stored that way. otherwise, a new floating-point js::value is created. ...

JS_ValueToBoolean
obsolete since jsapi 28this feature is obsolete. although it may still work in some browsers, its use is discouraged since it could be removed at any time. try to avoid using it. replaced by js::toboolean convert any javascript value to a boolean value. syntax jsbool js_valuetoboolean(jscontext *cx, jsval v, jsbool *bp); name type description cx jscontext * the context in which to perform the conversion. requires request. in a js_threadsafe build, the caller must be in a request on this jscontext. v jsval the value to convert. bp jsbool * out parameter. on success, *bp receives the converted boolean value. description js_valuetoboolean converts a specified javascript value, v, to a boolean value. it implements the ...
... for versions greater than jsversion_1_2, all objects convert to js_true, even boolean wrapper objects like the one produced by new boolean(false). ...
...must be in a request on this jscontext. v jsval the value to convert. bp jsbool * out parameter. on success, *bp receives the converted boolean value. description js_valuetoboolean converts a specified javascript value, v, to a boolean value. it implements the toboolean operator specified in ecma 262-3 §9.2. on success, js_valuetoboolean stores the converted value in *bp and returns js_true. on error or exception, it returns js_false, and the value left in *bp is undefined. for versions greater than jsversion_1_2, all objects convert to js_true, even boolean wrapper objects like the one produced by new boolean(false). this is the behavior specified in ecma 262-3 §9.2. ...
...verted value in *bp and returns js_true. on error or exception, it returns js_false, and the value left in *bp is undefined. for versions greater than jsversion_1_2, all objects convert to js_true, even boolean wrapper objects like the one produced by new boolean(false). this is the behavior specified in ecma 262-3 §9.2. see related discussion on google groups. ...

JS_ValueToInt32
obsolete since jsapi 28this feature is obsolete. although it may still work in some browsers, its use is discouraged since it could be removed at any time. try to avoid using it. convert a javascript value to a 32-bit signed integer. syntax jsbool js_valuetoint32(jscontext *cx, jsval v, int32 *ip); name type description cx jscontext * the context in which to perform the conversion. requires request. in a js_threadsafe build, the caller must be in a request on this jscontext. v jsval the value to convert. ip int32 * out parameter. on success, *ip receives the converted integer value. description js_valuetoint32 converts a specified js value, v, to a 32-bit signed integer (-2147483648 to 2147483647). first it converts v...
... the value to convert. ip int32 * out parameter. on success, *ip receives the converted integer value. description js_valuetoint32 converts a specified js value, v, to a 32-bit signed integer (-2147483648 to 2147483647). first it converts v to a floating-point number as if by calling js::tonumber. if the result is nan, an infinity, or a number outside the 32-bit range, js_valuetoint32 reports an error and conversion fails. otherwise, the floating-point number is rounded to the nearest integer value. on success, js_valuetoint32 stores the converted value in *ip and returns js_true. on error or exception, it returns js_false, and the value left in *ip is undefined. ...
...this routine was added for layers-based graphics programming in netscape 4, but unless you know you need its rounding behavior, it is best to avoid it in favour of js::toint32. ...
...this routine was added for layers-based graphics programming in netscape 4, but unless you know you need its rounding behavior, it is best to avoid it in favour of js::toint32. ...

readValue() - Web APIs
draft initial definition. browser compatibility the compatibility table on this page is generated from structured data. if you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request. ...
... draft initial definition. browser compatibility the compatibility table on this page is generated from structured data. if you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request. ...
... draft initial definition. browser compatibility the compatibility table on this page is generated from structured data. if you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request. ...
...ition. browser compatibility the compatibility table on this page is generated from structured data. if you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request. desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetreadvalue experimentalchrome full support 57notes full support 57notes notes macos only. full support 57notes disabled notes linux and versions of windows earlier than 10.disabled from version 57: this feature is behind the #enable-experimental-web-platform-features prefer...

CSSNumericValue - Web APIs
the cssnumericvalue interface of the css typed object model api represents operations that all numeric values can perform. interfaces based on cssnumericvalue below is a list of interfaces based on the cssnumericvalue interface. cssmathinvert cssmathmax cssmathmin cssmathnegate cssmathproduct cssmathsum cssmathvalue cssnumericarray cssperspective csspositionvalue cssrotate cssskew cssskeyx cssskeyw csstranslate cssunitvalue properties none. event handlers no methods cssnumericvalue.add adds a supplied number to the cssnumericvalue. cssnumericvalue.sub subtracts a supplied number from the cssnumericvalue. cssnumericvalue.mul multiplies the cssnumericvalue by the supplied value. cssnumericvalue.div divides the cssnumericvalue by the supplied value. cssnu...
...keyx cssskeyw csstranslate cssunitvalue properties none. event handlers no methods cssnumericvalue.add adds a supplied number to the cssnumericvalue. cssnumericvalue.sub subtracts a supplied number from the cssnumericvalue. cssnumericvalue.mul multiplies the cssnumericvalue by the supplied value. cssnumericvalue.div divides the cssnumericvalue by the supplied value. cssnumericvalue.min returns the minimum value passed cssnumericvalue.max returns the maximum value passed cssnumericvalue.equals true if all the values are the exact same type and value, in the same order. otherwise, false. cssnumericvalue.to converts value into another one with the specified unit. ...
... working draft initial definition. ...
... divides the cssnumericvalue by the supplied value. cssnumericvalue.min returns the minimum value passed cssnumericvalue.max returns the maximum value passed cssnumericvalue.equals true if all the values are the exact same type and value, in the same order. otherwise, false. cssnumericvalue.to converts value into another one with the specified unit. cssnumericvalue.tosum tbd cssnumericvalue.type tbd cssnumericvalue.parse allows a cssnumericvalue to be constructed directly from a string containing css. specifications specification status comment css typed om level 1the definition of 'cssnumericvalue' in that specification. working draft initial definition. ...

CSSPositionValue.x - Web APIs
the x property of the csspositionvalue interface returns returns the item's position along the web page's horizontal axis. syntax var x = csspositionvalue.x value a cssnumericvalue. example the following example positions a container <div> 5 pixels from the top and 10 pixels from the left of the page. ...
... the x property of the csspositionvalue interface returns returns the item's position along the web page's horizontal axis. syntax var x = csspositionvalue.x value a cssnumericvalue. example the following example positions a container <div> 5 pixels from the top and 10 pixels from the left of the page. ...
...rizontal axis. syntax var x = csspositionvalue.x value a cssnumericvalue. example the following example positions a container <div> 5 pixels from the top and 10 pixels from the left of the page. ...
...yntax var x = csspositionvalue.x value a cssnumericvalue. example the following example positions a container <div> 5 pixels from the top and 10 pixels from the left of the page. ...

CSSPositionValue.y - Web APIs
the y property of the csspositionvalue interface returns the item's position along the vertical axis. syntax var y = csspositionvalue.y value a cssnumericvalue. example the following example positions a container <div> 5 pixels from the top and 10 pixels from the left of the page. ...
... the y property of the csspositionvalue interface returns the item's position along the vertical axis. syntax var y = csspositionvalue.y value a cssnumericvalue. example the following example positions a container <div> 5 pixels from the top and 10 pixels from the left of the page. ...
...rtical axis. syntax var y = csspositionvalue.y value a cssnumericvalue. example the following example positions a container <div> 5 pixels from the top and 10 pixels from the left of the page. ...
...tax var y = csspositionvalue.y value a cssnumericvalue. example the following example positions a container <div> 5 pixels from the top and 10 pixels from the left of the page. ...

CSSUnitValue - Web APIs
the cssunitvalue interface of the css typed object model api represents values that contain a single unit type. for example, "42px" would be represented by a cssnumericvalue. constructor cssstylevalue.cssunitvalue() creates a new cssunitvalue object. properties cssunitvalue.value returns a double indicating the number of units. cssunitvalue.unit returns a usvstring indicating the type of unit. event handlers none. methods none. examples the following shows a method of creating a csspositionvalue from individual cssunitvalue constructors. ...
... working draft initial definition. ...
... working draft initial definition. ...
...alue object. properties cssunitvalue.value returns a double indicating the number of units. cssunitvalue.unit returns a usvstring indicating the type of unit. event handlers none. methods none. examples the following shows a method of creating a csspositionvalue from individual cssunitvalue constructors. let pos = new csspositionvalue( new cssunitvalue(5, "px"), new cssunitvalue(10, "px")); specifications specification status comment css typed om level 1the definition of 'cssunitvalue' in that specification. working draft initial definition. ...

CSS Properties and Values API - Web APIs
the css properties and values api — part of the css houdini umbrella of apis — allows developers to explicitly define their css custom properties, allowing for property type checking, default values, and properties that do or do not inherit their value. interfaces css.registerproperty defines how a browser should parse a css custom properties. access this interface through css.registerproperty in javascript. @property defines how a browser should parse a css custom properties. access this interface through @property in css. ...
...roperty defines how a browser should parse a css custom properties. access this interface through css.registerproperty in javascript. @property defines how a browser should parse a css custom properties. access this interface through @property in css. ...
...arse a css custom properties. access this interface through css.registerproperty in javascript. @property defines how a browser should parse a css custom properties. access this interface through @property in css. ...
...efines how a browser should parse a css custom properties. access this interface through @property in css. examples the following uses css.registerproperty in javascript to type a css custom properties, --my-color, as a color, give it a default value, and not allow it to inherit its value: window.css.registerproperty({ name: '--my-color', syntax: '<color>', inherits: false, initialvalue: '#c0ffee', }); the same registration can take place in css using the following @property: @property --my-color { syntax: '<color>'; inherits: false; initial-value: #c0ffee; } specifications specification status comment css properties and values api level 1 working draft initial definition. ...

NodeList.values() - Web APIs
the nodelist.values() method returns an iterator allowing to go through all values contained in this object. the values are node objects. syntax nodelist.values(); return value returns an iterator. ...
... the values are node objects. syntax nodelist.values(); return value returns an iterator. ...
...e node objects. syntax nodelist.values(); return value returns an iterator. ...
...odelist.values(); return value returns an iterator. ...

Using URL values for the cursor property - CSS: Cascading Style Sheets
gecko 1.8 supports url values for the css cursor property on windows and linux. mac support was added in gecko 2 (firefox 4). this allows specifying arbitrary images as mouse cursors — any image format supported by gecko can be used. syntax the basic (css 2.1) syntax for this property is: cursor: [ <url> , ]* <keyword> this means that zero or more urls may be specified (comma-separated), which must be followed by one of the keywords defined in the css specification, such as auto or pointer. for example, the following value would be allowed: cursor: url(foo.cur), url(http://www.example.com/bar.gif), auto; this will first try loading foo.cur. if that file does not exist or is not valid for some other reason, bar.gif is tried, and if that can't be used either, auto will be used. support...
...words defined in the css specification, such as auto or pointer. for example, the following value would be allowed: cursor: url(foo.cur), url(http://www.example.com/bar.gif), auto; this will first try loading foo.cur. if that file does not exist or is not valid for some other reason, bar.gif is tried, and if that can't be used either, auto will be used. support for the css 3 syntax for cursor values got added in gecko 1.8 (firefox 1.5): cursor: [ <uri> [ <x> <y> ]? , ]* <keyword> it allows specifying the coordinates of the cursor's hotspot, which will be clamped to the boundaries of the cursor image. if none are specified, the coordinates of the hotspot are read from the file itself (for cur and xbm files) or are set to the top left corner of the image. an example of the css3 syntax is: ...
...tspot to be the pixel at (4,12) from the top left (0,0). limitations all image formats supported by gecko can be used. this means that you can use png, gif, jpg, bmp, cur, etc. images. ani is not supported. an animated png or gif will not create an animated cursor. note: starting with gecko 2.0, gecko also supports the svg image format for cursors. however, the svg image must contain a length-valued (not percentage-valued) height and width on its root svg node. javascript, css animation, and declarative smil inside an svg image are ignored; you can't use svg to create an animated cursor, for example. in gecko (firefox) the limit of the cursor size is 128×128px. larger cursor images are ignored. however, you should limit yourself to the size 32×32 for maximum compatibility with operating...
...ver, you should limit yourself to the size 32×32 for maximum compatibility with operating systems and platforms. (due to a bug in gecko 1.9.2-1.9.2.6, firefox 3.6-3.6.6 on windows limits to 32×32px. this is fixed in later versions.) translucent cursors are not supported on windows releases earlier than xp. this is a limitation of the operating system. transparency works on all platforms. url values as cursors are supported in windows, os/2, and linux (when using gtk+ 2.4 or better) releases of mozilla. mac os x support was added with gecko 2 (firefox 4). ...

Specified value - CSS: Cascading Style Sheets
the specified value of a css property is the value it receives from the document's style sheet. the specified value for a given property is determined according to the following rules: if the document's style sheet explicitly specifies a value for the property, the given value will be used. if the document's style sheet doesn't specify a value but it is an inherited property, the value will be taken from the parent element. if none of the above pertain, the element's initial value will be used. ...
...nt's style sheet explicitly specifies a value for the property, the given value will be used. if the document's style sheet doesn't specify a value but it is an inherited property, the value will be taken from the parent element. if none of the above pertain, the element's initial value will be used. examples html <p>my specified color is given explicitly in the css.</p> <div>the specified values of all my properties default to their initial values, because none of them are given in the css.</div> <div class="fun"> <p>the specified value of my font family is not given explicitly in the css, so it is inherited from my parent. however, the border is not an inheriting property.</p> </div> css .fun { border: 1px dotted pink; font-family: fantasy; } p { color: gree...
... recommendation initial definition. ...
... recommendation initial definition. ...

enumValueNames - Archive of obsolete content
enumvaluenames enumerates the value of a given key. method of winreg object syntax string enumvaluenames ( string key, int subkeyindex ); parameters the enumvaluenames method has the following parameters: key the key path to the appropriate location in the key hierarchy, such as "software\\netscape\\navigator\\mail". subkeyindex an integer representing the 0-based index of the key value being sought. returns the value of the key as a string if it succeeded; null if the referenced subkey does not exist. description enumvaluenames can be used to iterate through the values for a given key. the following brief example retrieves a key value using this method. ...
...e 0-based index of the key value being sought. returns the value of the key as a string if it succeeded; null if the referenced subkey does not exist. description enumvaluenames can be used to iterate through the values for a given key. the following brief example retrieves a key value using this method. ...
...f the key as a string if it succeeded; null if the referenced subkey does not exist. description enumvaluenames can be used to iterate through the values for a given key. the following brief example retrieves a key value using this method. ...

getSessionValueAt - Archive of obsolete content
...
... ...
... ...

NPN_SetValueForURL - Archive of obsolete content
ummary allows a plugin to change the stored information associated with a url, in particular its cookies. (while the api theoretically allows the preferred proxy for a given url to be changed, doing so does not have much meaning given how proxies are configured, and is not supported.) syntax #include <npapi.h> typedef enum { npnurlvcookie = 501, npnurlvproxy } npnurlvariable; nperror npn_setvalueforurl(npp instance, npnurlvariable variable, const char *url, const char *value, uint32_t len); parameters this function has the following parameters: instance pointer to the current plug-in instance. variable selects the type of information to be changed. the only supported type is np...
... variable, const char *url, const char *value, uint32_t len); parameters this function has the following parameters: instance pointer to the current plug-in instance. variable selects the type of information to be changed. the only supported type is npnurlvcookie. url the url for which to change information. value the new associated information for the url. note: the value may have internal null bytes and may not be null-terminated. len the length of the value buffer. returns if successful, the function returns nperr_no_error. if unsuccessful, the function returns an error code. for possible values, see error codes. description this entry point is designed to allow plugins to affect the cookies sent b...
... the value may have internal null bytes and may not be null-terminated. len the length of the value buffer. returns if successful, the function returns nperr_no_error. if unsuccessful, the function returns an error code. for possible values, see error codes. description this entry point is designed to allow plugins to affect the cookies sent by the browser back to the server. ...

NP_GetValue - Archive of obsolete content
« gecko plugin api reference « plug-in side plug-in api summary allows the browser to query the plug-in for information. syntax #include <npapi.h> nperror np_getvalue(void *instance, nppvariable variable, void *value); parameters the function has the following parameters: instance pointer to the current plug-in instance. instance parameter is null because no instance has been created. variable plug-in information the call gets. values: nppvpluginnamestring: gets the name of the plug-in nppvplugindescriptionstring: gets the description string of the plug-in value plug-in name, returned by the function. returns if successful, the function returns nperr_no_error. if unsuccessful, the function returns an error c...
...instance has been created. variable plug-in information the call gets. values: nppvpluginnamestring: gets the name of the plug-in nppvplugindescriptionstring: gets the description string of the plug-in value plug-in name, returned by the function. returns if successful, the function returns nperr_no_error. if unsuccessful, the function returns an error code. for possible values, see error codes. ...
... call gets. values: nppvpluginnamestring: gets the name of the plug-in nppvplugindescriptionstring: gets the description string of the plug-in value plug-in name, returned by the function. returns if successful, the function returns nperr_no_error. if unsuccessful, the function returns an error code. for possible values, see error codes. description none. ...

Quality values - MDN Web Docs Glossary: Definitions of Web-related terms
quality values, or q-values and q-factors, are used to describe the order of priority of values in a comma-separated list. it is a special syntax allowed in some http headers and in html. the importance of a value is marked by the suffix ';q=' immediately followed by a value between 0 and 1 included, with up to three decimal digits, the highest value denoting the highest priority. when not present, the default value is 1. examples the following syntax text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 indicates the order of priority: value priority text/html and application/xhtml+xml 1.0 application/xml 0.9 */* 0.8 if there is no priority defined for the first two values, the order in the list is irrelevant. ne...
...wing syntax text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 indicates the order of priority: value priority text/html and application/xhtml+xml 1.0 application/xml 0.9 */* 0.8 if there is no priority defined for the first two values, the order in the list is irrelevant. nevertheless, with the same quality, more specific values have priority over less specific ones: text/html;q=0.8,text/*;q=0.8,*/*;q=0.8 value priority text/html 0.8 (but totally specified) text/* 0.8 (partially specified) */* 0.8 (not specified) some syntax, like the one of accept, allow additional specifiers like text/html;level=1. these increase the specificity of the value. their use is extre...
...e priority text/html 0.8 (but totally specified) text/* 0.8 (partially specified) */* 0.8 (not specified) some syntax, like the one of accept, allow additional specifiers like text/html;level=1. these increase the specificity of the value. their use is extremely rare. browser-specific information firefox starting with firefox 18, the quality factor values are clamped to 2 decimal places. they used to be clamped to only 1 decimal place in earlier versions (bug 672448). more information http headers using q-values in their syntax: accept, accept-charset, accept-language, accept-encoding, te. ...

Test your skills: values and units - Learn web development
note: you can try out solutions in the interactive editors below, however it may be helpful to download the code and use an online tool such as codepen, jsfiddle, or glitch to work on the tasks. if you get stuck, then ask us for help — see the assessment or further help section at the bottom of this page. task one in this task, the first list item has been given a background color using hex color codes. your task is to complete the css using the same color in different formats, plus a final list item where you should make the background semi-opaque. ...
...es. your task is to complete the css using the same color in different formats, plus a final list item where you should make the background semi-opaque. the second list item should use rgb color. the third should use hsl color. the fourth should use rgb color but with the alpha channel set to .2. you can find conversions for the hex color at this link. you need to figure out how to use the values in css. try updating the live code below to recreate the finished example: for assessment or further work purposes, download the starting point for this task to work in your own editor or in an online editor. task two in this task you need to set the size of various items of text. the <h1> should be 50 pixels. the <h2> should be 2em. all <p> elements should be 16 pixels. a <p> el...
...r are stuck and want to ask for help: put your work into an online shareable editor such as codepen, jsfiddle, or glitch. you can write the code yourself, or use the starting point files linked to in the above sections. write a post asking for assessment and/or help at the mdn discourse forum learning category. your post should include: a descriptive title such as "assessment wanted for values and units skill test 1". details of what you have already tried, and what you would like us to do, e.g. if you are stuck and need help, or want an assessment. a link to the example you want assessed or need help with, in an online shareable editor (as mentioned in step 1 above). this is a good practice to get into — it's very hard to help someone with a coding problem if you can't see th...

FC_GetAttributeValue
name fc_getattributevalue - get the value of attributes of an object. syntax ck_rv fc_getattributevalue( ck_session_handle hsession, ck_object_handle hobject, ck_attribute_ptr ptemplate, ck_ulong uscount ); parameters hsession [in] session handle. hobject [in] object handle. ptemplate [in, out] pointer to template. uscount [in] number of attributes in the template. description fc_getattributevalue gets the value of one or more attributes of an object. a user must log into the token (to assume the nss user role) before getting the attribute values of a secret or private key object. ...
... ); parameters hsession [in] session handle. hobject [in] object handle. ptemplate [in, out] pointer to template. uscount [in] number of attributes in the template. description fc_getattributevalue gets the value of one or more attributes of an object. ...
.... hobject [in] object handle. ptemplate [in, out] pointer to template. uscount [in] number of attributes in the template. description fc_getattributevalue gets the value of one or more attributes of an object. ...

FC_SetAttributeValue
name fc_setattributevalue - set the values of attributes of an object. syntax ck_rv fc_setattributevalue( ck_session_handle hsession, ck_object_handle hobject, ck_attribute_ptr ptemplate, ck_ulong uscount ); parameters hsession [in] session handle. hobject [in] object handle. ptemplate [in, out] pointer to template. uscount [in] number of attributes in the template. description fc_setattributevalue sets the value of one or more attributes of an object. a user must log into the token before setting the attribute values of a secret or private key object. ...
... ptemplate, ck_ulong uscount ); parameters hsession [in] session handle. hobject [in] object handle. ptemplate [in, out] pointer to template. uscount [in] number of attributes in the template. ...
... hsession [in] session handle. hobject [in] object handle. ptemplate [in, out] pointer to template. uscount [in] number of attributes in the template. description fc_setattributevalue sets the value of one or more attributes of an object. ...

JS::StringValue
this article covers features introduced in spidermonkey 24 convert a jsstring to a js::value. syntax js::value js::stringvalue(jsstring* str) name type description str jsstring* a pointer to a jsstring to convert. description js::stringvalue converts a given jsstring to js::value. ...
...his article covers features introduced in spidermonkey 24 convert a jsstring to a js::value. syntax js::value js::stringvalue(jsstring* str) name type description str jsstring* a pointer to a jsstring to convert. description js::stringvalue converts a given jsstring to js::value. ...
... covers features introduced in spidermonkey 24 convert a jsstring to a js::value. syntax js::value js::stringvalue(jsstring* str) name type description str jsstring* a pointer to a jsstring to convert. description js::stringvalue converts a given jsstring to js::value. the conversion always succeeds. ...

JS::SymbolValue
this article covers features introduced in spidermonkey 38 convert a js::symbol to a js::value. syntax js::value js::symbolvalue(js::symbol* sym) name type description sym js::symbol* a pointer to a js::symbol to convert. description js::symbolvalue converts a given js::symbol to js::value. ...
...e covers features introduced in spidermonkey 38 convert a js::symbol to a js::value. syntax js::value js::symbolvalue(js::symbol* sym) name type description sym js::symbol* a pointer to a js::symbol to convert. description js::symbolvalue converts a given js::symbol to js::value. the conversion always succeeds. ...
...atures introduced in spidermonkey 38 convert a js::symbol to a js::value. syntax js::value js::symbolvalue(js::symbol* sym) name type description sym js::symbol* a pointer to a js::symbol to convert. description js::symbolvalue converts a given js::symbol to js::value. the conversion always succeeds. ...

JS_GetEmptyStringValue
get the empty string as a value of type js::value. syntax // added in spidermonkey 42 js::value js_getemptystringvalue(jscontext *cx); // obsolete since spidermonkey 42 jsval js_getemptystringvalue(jscontext *cx); name type description cx jscontext * a context. requires request. in a js_threadsafe build, the caller must be in a request on this jscontext. description js_getemptystringvalue returns the empty string as a js::value. ...
...ontext *cx); // obsolete since spidermonkey 42 jsval js_getemptystringvalue(jscontext *cx); name type description cx jscontext * a context. requires request. in a js_threadsafe build, the caller must be in a request on this jscontext. description js_getemptystringvalue returns the empty string as a js::value. ...
...y 42 jsval js_getemptystringvalue(jscontext *cx); name type description cx jscontext * a context. requires request. in a js_threadsafe build, the caller must be in a request on this jscontext. description js_getemptystringvalue returns the empty string as a js::value. ...

JS_IdToValue
convert a js id to a js value. syntax bool js_idtovalue(jscontext *cx, jsid id, js::mutablehandle<js::value> vp); name type description cx jscontext * pointer to a js context from which to derive runtime information. requires request. in a js_threadsafe build, the caller must be in a request on this jscontext. id jsid the property identifier to convert. vp js::mutablehandle&lt;js::value&gt; out parameter. on success, *vp receives the converted value. description js_idtovalue converts a specified js id, id, to a js value. on success, js_idtovalue stores the converted value in *vp and returns true. otherwise it returns false. the inverse of js_idtovalue is js_valuetoid. ...
...fier to convert. vp js::mutablehandle&lt;js::value&gt; out parameter. on success, *vp receives the converted value. description js_idtovalue converts a specified js id, id, to a js value. on success, js_idtovalue stores the converted value in *vp and returns true. otherwise it returns false. the inverse of js_idtovalue is js_valuetoid. ...
...nvert. vp js::mutablehandle&lt;js::value&gt; out parameter. on success, *vp receives the converted value. description js_idtovalue converts a specified js id, id, to a js value. on success, js_idtovalue stores the converted value in *vp and returns true. otherwise it returns false. the inverse of js_idtovalue is js_valuetoid. ...

nsIMsgSearchValue
defined in comm-central/ mailnews/ base/ search/ public/ nsimsgsearchvalue.idl #include "nsmsgsearchcore.idl" interface nsimsgfolder; [scriptable, uuid(783758a0-cdb5-11dc-95ff-0800200c9a66)] interface nsimsgsearchvalue : nsisupports { // type of object attribute nsmsgsearchattribvalue attrib; // accessing these will throw an exception if the above // attribute does not match the type! ...
...gsearchvalue.idl #include "nsmsgsearchcore.idl" interface nsimsgfolder; [scriptable, uuid(783758a0-cdb5-11dc-95ff-0800200c9a66)] interface nsimsgsearchvalue : nsisupports { // type of object attribute nsmsgsearchattribvalue attrib; // accessing these will throw an exception if the above // attribute does not match the type! ...
... above // attribute does not match the type! attribute astring str; attribute nsmsgpriorityvalue priority; attribute prtime date; // see nsmsgmessageflags.idl and nsmsgfolderflags.idl attribute unsigned long status; attribute unsigned long size; attribute nsmsgkey msgkey; attribute long age; // in days attribute nsimsgfolder folder; attribute nsmsglabelvalue label; attribute nsmsgjunkstatus junkstatus; /* * junkpercent is set by the message filter plugin, and is approximately * proportional to the probability that a message is junk. * (range 0-100, 100 is junk) */ attribute unsigned long junkpercent; astring tostring(); }; ...

nsIMsgSearchValue
defined in comm-central/ mailnews/ base/ search/ public/ nsimsgsearchvalue.idl #include "nsmsgsearchcore.idl" interface nsimsgfolder; [scriptable, uuid(783758a0-cdb5-11dc-95ff-0800200c9a66)] interface nsimsgsearchvalue : nsisupports { // type of object attribute nsmsgsearchattribvalue attrib; // accessing these will throw an exception if the above // attribute does not match the type! ...
...gsearchvalue.idl #include "nsmsgsearchcore.idl" interface nsimsgfolder; [scriptable, uuid(783758a0-cdb5-11dc-95ff-0800200c9a66)] interface nsimsgsearchvalue : nsisupports { // type of object attribute nsmsgsearchattribvalue attrib; // accessing these will throw an exception if the above // attribute does not match the type! ...
... above // attribute does not match the type! attribute astring str; attribute nsmsgpriorityvalue priority; attribute prtime date; // see nsmsgmessageflags.idl and nsmsgfolderflags.idl attribute unsigned long status; attribute unsigned long size; attribute nsmsgkey msgkey; attribute long age; // in days attribute nsimsgfolder folder; attribute nsmsglabelvalue label; attribute nsmsgjunkstatus junkstatus; /* * junkpercent is set by the message filter plugin, and is approximately * proportional to the probability that a message is junk. * (range 0-100, 100 is junk) */ attribute unsigned long junkpercent; astring tostring(); }; ...

value - Web APIs
draft initial definition. browser compatibility the compatibility table on this page is generated from structured data. if you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request. ...
... draft initial definition. browser compatibility the compatibility table on this page is generated from structured data. if you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request. ...
...efinition. browser compatibility the compatibility table on this page is generated from structured data. if you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request. desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetvalue experimentalchrome full support 57notes full support 57notes notes macos only. full support 57notes disabled notes linux and versions of windows earlier than 10.disabled from version 57: this feature is behind the #enable-experimental-web-platform-features prefer...

writeValue() - Web APIs
draft initial definition. browser compatibility the compatibility table on this page is generated from structured data. if you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request. ...
... draft initial definition. browser compatibility the compatibility table on this page is generated from structured data. if you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request. ...
...tion. browser compatibility the compatibility table on this page is generated from structured data. if you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request. desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetwritevalue experimentalchrome full support 57notes full support 57notes notes macos only. full support 57notes disabled notes linux and versions of windows earlier than 10.disabled from version 57: this feature is behind the #enable-experimental-web-platform-features prefer...

CSSMathValue.operator - Web APIs
the cssmathvalue.operator read-only property of the cssmathvalue interface indicates the operator that the current subtype represents. for example, if the current cssmathvalue subtype is cssmathsum, this property will return the string "sum". syntax var astring = cssmathvalue.operator; value a string. interface value cssmathsum "sum" cssmathproduct "product" cssmathmin "min" cssmathmax "max" cssmathclamp "clamp" cssmathnegate "negate" cssmathinvert "invert" examples we create an element with a width determined using a calc() function, then console.log() the operator. <div>my width has a <code>calc()</code> function</div> we assign a width with a calculation div { width: cal...
... we create an element with a width determined using a calc() function, then console.log() the operator. <div>my width has a <code>calc()</code> function</div> we assign a width with a calculation div { width: calc(50% - 0.5vw); } we add the javascript const stylemap = document.queryselector('div').computedstylemap(); console.log( stylemap.get('width') ); // cssmathsum {values: cssnumericarray, operator: "sum"} console.log( stylemap.get('width').values ); // cssnumericarray {0: cssunitvalue, 1: cssmathnegate, length: 2} console.log( stylemap.get('width').operator ); // 'sum' console.log( stylemap.get('width').values[1].operator ) // 'negate' the cssmathvalue.operator returns sum for the equation and negate for the operator on the second value. ...
... working draft initial definition. ...

CSSNumericValue.to() - Web APIs
examples // prints "0.608542cm" console.log(css.px("23").to("com").tostring()); specifications specification status comment css typed om level 1the definition of 'to' in that specification. ...
... examples // prints "0.608542cm" console.log(css.px("23").to("com").tostring()); specifications specification status comment css typed om level 1the definition of 'to' in that specification. ...
... examples // prints "0.608542cm" console.log(css.px("23").to("com").tostring()); specifications specification status comment css typed om level 1the definition of 'to' in that specification. ...

CSSUnparsedValue.keys() - Web APIs
specifications specification status comment css typed om level 1the definition of 'keys()' in that specification. ...
... specifications specification status comment css typed om level 1the definition of 'keys()' in that specification. ...
... specifications specification status comment css typed om level 1the definition of 'keys()' in that specification. ...

CSSUnparsedValue - Web APIs
the cssunparsedvalue interface of the css typed object model api represents property values that reference custom properties. it consists of a list of string fragments and variable references. custom properties are represented by cssunparsedvalue and var() references are represented using cssvariablereferencevalue. constructor cssunparsedvalue.cssunparsedvalue() creates a new cssunparsedvalue object. properties cssunparsedvalue.length returns the number of items in the cssunparsedvalue object. methods cssunparsedvalue.entries() returns an array of a given object's own enumerable property [key, value] pairs in the same order as that provided by a for...in loop (the difference being that a for-in loop enumerates properties in the prototype chain as well). cssunparsed...
...edvalue object. properties cssunparsedvalue.length returns the number of items in the cssunparsedvalue object. methods cssunparsedvalue.entries() returns an array of a given object's own enumerable property [key, value] pairs in the same order as that provided by a for...in loop (the difference being that a for-in loop enumerates properties in the prototype chain as well). cssunparsedvalue.foreach() executes a provided function once for each element of the cssunparsedvalue object. cssunparsedvalue.keys() returns a new array iterator object that contains the keys for each index in the cssunparsedvalue object. cssunparsedvalue.values() returns a new array iterator object that contains the values for each index in the cssunparsedvalue object. specifications specificat...
...ue object. cssunparsedvalue.keys() returns a new array iterator object that contains the keys for each index in the cssunparsedvalue object. cssunparsedvalue.values() returns a new array iterator object that contains the values for each index in the cssunparsedvalue object. specifications specification status comment css typed om level 1the definition of 'cssunparsedvalue' in that specification. working draft initial definition. ...

Event.returnValue - Web APIs
the event property returnvalue indicates whether the default action for this event has been prevented or not. it is set to true by default, allowing the default action to occur. setting this property to false prevents the default action. note: while returnvalue has been adopted into the dom standard, it is present primarily to support existing code. you should use preventdefault(), and defaultprevented instead of this historical property. syntax event.returnvalue = bool; var bool = event.returnvalue; value a boolean value which is true if the event has not been canceled; otherwise, if the event has been canceled or the default has been prevented, the value is false. the value returned by returnvalue is the opposite of the value returned by defaultprevented. ...
...prevented instead of this historical property. syntax event.returnvalue = bool; var bool = event.returnvalue; value a boolean value which is true if the event has not been canceled; otherwise, if the event has been canceled or the default has been prevented, the value is false. the value returned by returnvalue is the opposite of the value returned by defaultprevented. usage notes returnvalue was introduced into the dom by internet explorer 6, and due to that browser's ubiquity became so commonly used that other browsers eventually implemented it as well. it has been adopted into the dom specification, primarily to ensure that existing web content continues to function going forward. new projects should generally avoid using returnvalue, although they may if they choose to do so. sp...
...ommonly used that other browsers eventually implemented it as well. it has been adopted into the dom specification, primarily to ensure that existing web content continues to function going forward. new projects should generally avoid using returnvalue, although they may if they choose to do so. specifications specification status comment domthe definition of 'returnvalue' in that specification. living standard added for legacy compatibility. ...

MutationObserverInit.characterDataOldValue - Web APIs
the mutationobserverinit dictionary's optional characterdataoldvalue property is used to specify whether or not the mutationrecord.oldvalue property for dom mutations should be set to the previous value of text nodes which changed. if you set the mutationobserverinit.characterdata property to true but don't set characterdataoldvalue to true as well, the mutationrecord will not include information describing the prior state of the text node's contents. character data changes are detectable on any text node, including nodes based on the text, processinginstruction, and comment interfaces. ...
... set the mutationobserverinit.characterdata property to true but don't set characterdataoldvalue to true as well, the mutationrecord will not include information describing the prior state of the text node's contents. character data changes are detectable on any text node, including nodes based on the text, processinginstruction, and comment interfaces. syntax var options = { characterdataoldvalue: true | false } value a boolean value indicating whether or not to set the mutationrecord's oldvalue property to be a string containing the value of the character node's contents prior to the change represented by the mutation record. by default, only changes to the text of the node specified as the target parameter when you called observe() are monitored. to watch for changes to the text con...
...oldvalue property to be a string containing the value of the character node's contents prior to the change represented by the mutation record. by default, only changes to the text of the node specified as the target parameter when you called observe() are monitored. to watch for changes to the text contents of all descendants of target, set the subtree option to true. if you set characterdataoldvalue to true, characterdata is automatically assumed to be true, even if you don't expressly set it as such. example specifications specification status comment domthe definition of 'mutationobserverinit.characterdataoldvalue' in that specification. living standard ...

::-webkit-meter-even-less-good-value - CSS: Cascading Style Sheets
the ::-webkit-meter-even-less-good-value gives a red color to a <meter> element when the value and the optimum attributes fall outside the low-high range, but in opposite zones. to illustrate, it applies when value < low < high < optimum or value > high > low > optimum. syntax ::-webkit-meter-even-less-good-value specifications not part of any standard. ...
...he ::-webkit-meter-even-less-good-value gives a red color to a <meter> element when the value and the optimum attributes fall outside the low-high range, but in opposite zones. to illustrate, it applies when value < low < high < optimum or value > high > low > optimum. syntax ::-webkit-meter-even-less-good-value specifications not part of any standard. ...
...nt when the value and the optimum attributes fall outside the low-high range, but in opposite zones. to illustrate, it applies when value < low < high < optimum or value > high > low > optimum. syntax ::-webkit-meter-even-less-good-value specifications not part of any standard. ...

::-webkit-meter-optimum-value - CSS: Cascading Style Sheets
the ::-webkit-meter-optimum-value css pseudo-element styles the <meter> element when its value is inside the low-high range. green is the default color. syntax ::-webkit-meter-optimum-value specifications not part of any standard. examples this example will only work in browsers based on webkit or blink. ...
... the ::-webkit-meter-optimum-value css pseudo-element styles the <meter> element when its value is inside the low-high range. green is the default color. syntax ::-webkit-meter-optimum-value specifications not part of any standard. examples this example will only work in browsers based on webkit or blink. ...
...ations not part of any standard. examples this example will only work in browsers based on webkit or blink. ...

Computed value - CSS: Cascading Style Sheets
the computed value of a css property is the value that is transferred from parent to child during inheritance. it is calculated from the specified value by: handling the special values inherit, initial, unset, and revert. doing the computation needed to reach the value described in the "computed value" line in the property's definition table. the computation needed to reach a property's computed value typically involves converting relative values (such as those in em units or percentages) to absolute values. for example, if an element has specified values font-size: 16px and padding-top: 2em, then the computed value of padding-top is 32px (double the font size). however, for some properties (those where percentages are relative to something that may require layout to determine, such as ...
...se in em units or percentages) to absolute values. for example, if an element has specified values font-size: 16px and padding-top: 2em, then the computed value of padding-top is 32px (double the font size). however, for some properties (those where percentages are relative to something that may require layout to determine, such as width, margin-right, text-indent, and top), percentage-specified values turn into percentage-computed values. additionally, unitless numbers specified on the line-height property become the computed value, as specified. the relative values that remain in the computed value become absolute when the used value is determined. ...
...rmine, such as width, margin-right, text-indent, and top), percentage-specified values turn into percentage-computed values. additionally, unitless numbers specified on the line-height property become the computed value, as specified. the relative values that remain in the computed value become absolute when the used value is determined. note: the getcomputedstyle() dom api returns the resolved value, which may either be the computed value or the used value, depending on the property. specifications specification status comment css level 2 (revision 2)the definition of 'computed-value' in that specification. working draft no change. css level 2 (revision 1)the definition of 'computed value' in that specification. recommendation init...

Number.MIN_VALUE - JavaScript
the number.min_value property represents the smallest positive numeric value representable in javascript. the source for this interactive example is stored in a github repository. if you'd like to contribute to the interactive examples project, please clone https://github.com/mdn/interactive-examples and send us a pull request. property attributes of number.min_value writable no enumerable no configurable no description the min_value property is the number closest to 0, not the most negative number, that javascript can represent. min_value has a value of approximately 5e-324. values smaller than min_value ("underflow values") are converted to 0. ...
...f number.min_value writable no enumerable no configurable no description the min_value property is the number closest to 0, not the most negative number, that javascript can represent. min_value has a value of approximately 5e-324. values smaller than min_value ("underflow values") are converted to 0. because min_value is a static property of number, you always use it as number.min_value, rather than as a property of a number object you created. examples using min_value the following code divides two numeric values. if the result is greater than or equal to min_value, the func1 function is called; otherwise, the func2 function is called. ...
...) are converted to 0. because min_value is a static property of number, you always use it as number.min_value, rather than as a property of a number object you created. examples using min_value the following code divides two numeric values. if the result is greater than or equal to min_value, the func1 function is called; otherwise, the func2 function is called. if (num1 / num2 >= number.min_value) { func1(); } else { func2(); } specifications specification ecmascript (ecma-262)the definition of 'number.min_value' in that specification. ...

TypedArray.prototype.values() - JavaScript
the values() method returns a new array iterator object that contains the values for each index in the array. the source for this interactive example is stored in a github repository. if you'd like to contribute to the interactive examples project, please clone https://github.com/mdn/interactive-examples and send us a pull request. syntax arr.values() return value a new array iterator object. ...
... the source for this interactive example is stored in a github repository. if you'd like to contribute to the interactive examples project, please clone https://github.com/mdn/interactive-examples and send us a pull request. syntax arr.values() return value a new array iterator object. ...
.... syntax arr.values() return value a new array iterator object. examples iteration using for...of loop var arr = new uint8array([10, 20, 30, 40, 50]); var earray = arr.values(); // your browser must support for..of loop // and let-scoped variables in for loops for (let n of earray) { console.log(n); } alternative iteration var arr = new uint8array([10, 20, 30, 40, 50]); var earr = arr.values(); console.log(earr.next().value); // 10 console.log(earr.next().value); // 20 console.log(earr.next().value); // 30 console.log(earr.next().value); // 40 console.log(earr.next().value); // 50 specifications specification ecmascript (ecma-262)the definition of '%typedarray%.prototype.values()' in that specification. ...

getValue - Archive of obsolete content
getvalue netscape 6 and mozilla do not currently support this method. retrieves the value of an arbitrary key. method of winreg object syntax winregvalue getvalue ( string subkey, string valname); parameters the getvalue method has the following parameters: subkey the key path to the appropriate location in the key hierarchy, such as "software\\netscape\\navigator\\mail". valname the name of the value-name/value pair whose value you want. returns a winregvalue object representing the value of the named value-name/value pair or null if there is no value or if there is an error. see winregvalue for information about these values. description the getvalue method retrieves the value of an arbitraty key. use this method if the value you want is not a string. if...
...ame the name of the value-name/value pair whose value you want. returns a winregvalue object representing the value of the named value-name/value pair or null if there is no value or if there is an error. see winregvalue for information about these values. description the getvalue method retrieves the value of an arbitraty key. use this method if the value you want is not a string. if the value is a string, the getvaluestring method is more convenient. ...

setValue - Archive of obsolete content
setvalue netscape 6 and mozilla do not currently support this method. sets the value of an arbitrary key. method of winreg object syntax string setvalue ( string subkey, string valname, winregvalue value); parameters the setvalue method has the following parameters: subkey the key path to the appropriate location in the key hierarchy, such as "software\\netscape\\navigator\\mail". valname the name of the value-name/value pair whose value you want to change. value a winregvalue object representing the new non-string value. see winregvalue for information about these values. returns 0 if it succeeded; a nonzero number if it failed to schedule the action. for a list of possible values, see return codes. ...
...scape\\navigator\\mail". valname the name of the value-name/value pair whose value you want to change. value a winregvalue object representing the new non-string value. see winregvalue for information about these values. returns 0 if it succeeded; a nonzero number if it failed to schedule the action. for a list of possible values, see return codes. description the setvalue method sets the value of an arbitrary key. use this method if the value you want to set is not a string. if the value is a string, the setvaluestring method is more convenient. ...

setValueNumber - Archive of obsolete content
summary sets the value of a key, when that value is a number. method of winreg object syntax int setvaluenumber ( string subkey, string valname, number value ); parameters the method has the following parameters: subkey the key path to the appropriate location in the key hierarchy, such as "software\\netscape\\navigator\\mail". valname the name of the value-name/value pair whose value you want to change. value a number representing the new string value. returns 0 if it succeeded; a nonzero number if it failed to schedule the action. for a list of possible values, see return codes. description the setvaluenumber method sets the value of a key when that value is a number. use this method if the value you want to set is a number. if the ...
...me/value pair whose value you want to change. value a number representing the new string value. returns 0 if it succeeded; a nonzero number if it failed to schedule the action. for a list of possible values, see return codes. description the setvaluenumber method sets the value of a key when that value is a number. use this method if the value you want to set is a number. if the value is not a number, use the setvalue or setvaluestring methods instead. ...

setValueString - Archive of obsolete content
setvaluestring sets the value of a key, when that value is a string. method of winreg object syntax int setvaluestring ( string subkey, string valname, string value); parameters the method has the following parameters: subkey the key path to the appropriate location in the key hierarchy, such as "software\\netscape\\navigator\\mail". valname the name of the value-name/value pair whose value you want to change. value the new string value. returns 0 if it succeeded; a nonzero number if it failed to schedule the action. for a list of possible values, see return codes. description the setvaluestring method sets the value of a key when that value is a string. use this method if the value you want to set is a string. ...
...the name of the value-name/value pair whose value you want to change. value the new string value. returns 0 if it succeeded; a nonzero number if it failed to schedule the action. for a list of possible values, see return codes. description the setvaluestring method sets the value of a key when that value is a string. use this method if the value you want to set is a string. if the value is not a string, use the setvalue method instead. ...

datepicker.value - Archive of obsolete content
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textbox.value - Archive of obsolete content
« xul reference home value type: string the default value entered in a textbox. the attribute only holds the default value and is never modified when the user enters text. to get the updated value, use the value property. for number boxes, the default is 0 or the minimum value returned by the min property, whichever is higher. ...
... « xul reference home value type: string the default value entered in a textbox. the attribute only holds the default value and is never modified when the user enters text. to get the updated value, use the value property. for number boxes, the default is 0 or the minimum value returned by the min property, whichever is higher. ...

textnode.value - Archive of obsolete content
« xul reference home value type: uri the text value to display. this value should be an rdf property (predicate). ...
... « xul reference home value type: uri the text value to display. this value should be an rdf property (predicate). ...

timepicker.value - Archive of obsolete content
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hasUserValue - Archive of obsolete content
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hasUserValue - Archive of obsolete content
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defaultValue - Archive of obsolete content
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NPN_ReleaseVariantValue - Archive of obsolete content
« gecko plugin api reference « scripting plugins summary npn_releasevariantvalue() releases the value in the given variant. syntax #include <npruntime.h> void npn_releasevariantvalue(npvariant *variant); parameters the function has the following parameters: <tt>variant</tt> the variant whose value is to be released. returns nothing. description npn_releasevariantvalue() releases the value in the given variant. this must always be called on result variants and such in this api, i.e. any npvariant whose value comes from a call that passes back an npvariant must be released using this function. ...
...as the following parameters: <tt>variant</tt> the variant whose value is to be released. returns nothing. description npn_releasevariantvalue() releases the value in the given variant. this must always be called on result variants and such in this api, i.e. any npvariant whose value comes from a call that passes back an npvariant must be released using this function. access to the value in an npvariant that has been released will result in undefined behavior. npn_releasevariantvalue() will call npn_releaseobject() on npvariants of type npvarianttype_object, and npn_memfree() on npvariants of type npvarianttype_string. ...

JS_SetCallReturnValue2
obsolete since javascript 1.8.5this feature is obsolete. although it may still work in some browsers, its use is discouraged since it could be removed at any time. try to avoid using it. causes a native to return a reference value (as allowed by ecma 262-3 §11.2.3). syntax void js_setcallreturnvalue2(jscontext *cx, jsval v); name type description cx jscontext * the context in which the native function is running. v jsval the id of the property of the reference value to be returned from the native. descript...
... type description cx jscontext * the context in which the native function is running. v jsval the id of the property of the reference value to be returned from the native. description calling js_setcallreturnvalue2 indicates to the runtime that the native will return a value of type reference. the native must store the object part of the reference value in *rval, and the argument v gives the id of the property part of the reference value. this reference value can then be used as an lvalue in script. an example is in js/src/js.c; searching for js_setcallreturnvalue2 should find it. ...

Stored value
in the jsapi, the stored value of an object property is its last known value. for a data property, this is exactly the same thing as the property's current value. the javascript engine sets aside a field of type jsval for the stored value of most object properties, even properties that have getters. the stored value is updated each time the program gets or sets the property. the new stored value is the result of getting or setting the property, after the getter or setter, if any, is called. js_defineproperty allows the application to specify a property's initial stored value. js_lookupproperty fetches a property's stored value without triggering its getter. properties with the jsprop_shared attribute do not have a stored value. es5 accessor properties, as in {get length() { return 0; },...
...eproperty allows the application to specify a property's initial stored value. js_lookupproperty fetches a property's stored value without triggering its getter. properties with the jsprop_shared attribute do not have a stored value. es5 accessor properties, as in {get length() { return 0; }, automatically have jsprop_shared. properties of objects that have custom jsobjectops do not have a stored value. stored values are strong references for the purpose of garbage collection. as long as an object is reachable, the stored values of its properties are reachable and will not be collected. ...

Value
« nsiaccessible page summary accessible value -- a number or a secondary text equivalent for this node. widgets that use role attribute can force a value using the valuenow attribute. ...
... « nsiaccessible page summary accessible value -- a number or a secondary text equivalent for this node. widgets that use role attribute can force a value using the valuenow attribute. ...

nsIAccessibleValue
accessible/public/nsiaccessiblevalue.idlscriptable please add a summary to this article. inherits from: nsisupports last changed in gecko 1.9 (firefox 3) method overview boolean setcurrentvalue(in double value); obsolete since gecko 1.9 attributes attribute type description currentvalue double maximumvalue double read only. minimumincrement double read only. minimumvalue double read only. methods setcurrentvalue() obsolete since gecko 1.9 (firefox 3) return a success condition of the value getting set. that is if the value is within the range of minimumvalue - maximumvalue. boolean setcurrentvalue( in double value ); parameters value new value for current value. ...
...ad only. minimumincrement double read only. minimumvalue double read only. methods setcurrentvalue() obsolete since gecko 1.9 (firefox 3) return a success condition of the value getting set. that is if the value is within the range of minimumvalue - maximumvalue. boolean setcurrentvalue( in double value ); parameters value new value for current value. return value true if the value is within the range of minimumvalue - maximumvalue, false if it is not. ...

AudioParam.cancelScheduledValues() - Web APIs
the cancelscheduledvalues() method of the audioparam interface cancels all scheduled future changes to the audioparam. syntax var audioparam = audioparam.cancelscheduledvalues(starttime) parameters starttime a double representing the time (in seconds) after the audiocontext was first created after which all scheduled changes will be cancelled. returns a reference to this audioparam object. in some older implementations this method returns void. ...
...x var audioparam = audioparam.cancelscheduledvalues(starttime) parameters starttime a double representing the time (in seconds) after the audiocontext was first created after which all scheduled changes will be cancelled. returns a reference to this audioparam object. in some older implementations this method returns void. examples var gainnode = audioctx.creategain(); gainnode.gain.setvaluecurveattime(wavearray, audioctx.currenttime, 2); //'gain' is the audioparam gainnode.gain.cancelscheduledvalues(audioctx.currenttime); specifications specification status comment web audio apithe definition of 'cancelscheduledvalues' in that specification. working draft ...

CSSImageValue - Web APIs
properties none. methods none. examples we create an element <button>magic wand</button> we add some css, including a background image requesting a binary file: button { display: inline-block; min-height: 100px; min-width: 100px; background: no-repeat 5% center url(https://mdn.mozillademos.org/files/16793/magicwand.png) aqua; } we get the element's style map. ...
...nd: no-repeat 5% center url(https://mdn.mozillademos.org/files/16793/magicwand.png) aqua; } we get the element's style map. we then get() the background-image from the stylemap and stringify it: // get the element const button = document.queryselector( 'button' ); // retrieve all computed styles with computedstylemap() const allcomputedstyles = button.computedstylemap(); // return the cssimagevalue example console.log( allcomputedstyles.get('background-image') ); console.log( allcomputedstyles.get('background-image').tostring() ); specifications specification status comment css typed om level 1the definition of 'cssimagevalue' in that specification. working draft initial definition. ...

CSSPositionValue - Web APIs
the csspositionvalue interface of the the css typed object model api represents values for properties that take a position, for example object-position. constructor csspositionvalue.csspositionvalue() creates a new csspositionvalue object. properties csspositionvalue.x returns the item's position along the web page's horizontal axis. csspositionvalue.y returns the item's position along the vertical axis. methods none. examples the following example positions a container <div> 5 pixels from the top and 10 pixels from the left of the page. ...
...properties csspositionvalue.x returns the item's position along the web page's horizontal axis. csspositionvalue.y returns the item's position along the vertical axis. methods none. examples the following example positions a container <div> 5 pixels from the top and 10 pixels from the left of the page. let replacedel = document.getelementbyid( 'image' ); let position = new csspositionvalue( css.px(35), css.px(40) ); replacedel.attributestylemap.set( 'object-position', position ); console.log( position.x.value, position.y.value ); console.log( replacedel.computedstylemap().get('object-position') ); we set the object-position property, then check the values returned. #image { width: 300px; height: 300px; border: 1px solid black; background-color: #dededf; object-fit: non...

CSSStyleDeclaration.getPropertyCSSValue() - Web APIs
the cssstyledeclaration.getpropertycssvalue() method interface returns a cssvalue containing the css value for a property. note that it returns null if the property name is a shorthand property. you should use cssstyledeclaration.getpropertyvalue() instead. syntax var value = style.getpropertycssvalue(property); parameters property is a domstring representing the property name to be retrieved. return value value is a cssvalue containing the css value for a property. if none exists, returns null. ...
...ou should use cssstyledeclaration.getpropertyvalue() instead. syntax var value = style.getpropertycssvalue(property); parameters property is a domstring representing the property name to be retrieved. return value value is a cssvalue containing the css value for a property. if none exists, returns null. example the following javascript code gets an object containing the computed rgb values of the color css property: var style = window.getcomputedstyle(elem, null); var rgbobj = style.getpropertycssvalue('color').getrgbcolorvalue(); specifications specification status comment document object model (dom) level 2 style specificationthe definition of 'cssstyledeclaration' in that specification. obsolete declared as obsolete in july 2003. ...

CSSStyleValue.parse() - Web APIs
the parse() method of the cssstylevalue interface sets a specific css property to the specified values and returns the first value as a cssstylevalue object. syntax cssstylevalue.parse(property, csstext) parameters property a css property to set. csstext a comma-separated string containing one or more values to apply to the provided property. return value a cssstylevalue object containing the first supplied value. example the code below parses a set of declarations for the transform property. the second code block shows the structure of the returned object as it would be rendered in a developer tools console. ...
.... csstext a comma-separated string containing one or more values to apply to the provided property. return value a cssstylevalue object containing the first supplied value. example the code below parses a set of declarations for the transform property. the second code block shows the structure of the returned object as it would be rendered in a developer tools console. const css = cssstylevalue.parse( 'transform', 'translate3d(10px,10px,0) scale(0.5)'); csstransformvalue {0: csstranslate, 1: cssscale, length: 2, is2d: false} specifications specification status comment css typed om level 1the definition of 'parse()' in that specification. working draft initial definition. ...

CSSStyleValue - Web APIs
the cssstylevalue interface of the the css typed object model api is the base class of all css values accessible through the typed om api. an instance of this class may be used anywhere a string is expected. interfaces based on cssstylevalue below is a list of interfaces based on the cssstylevalue interface. cssimagevalue csskeywordvalue cssnumericvalue csspositionvalue csstransformvalue cssunparsedvalue methods cssstylevalue.parse() sets a specific css property to the specified values and returns the first value as a cssstylevalue object. cssstylevalue.parseall() sets all occurences of a specific css property to the specified valueand returns an array of cssstylevalue objects, each containing one of the supplied values. specifications specification status ...
...ic css property to the specified values and returns the first value as a cssstylevalue object. cssstylevalue.parseall() sets all occurences of a specific css property to the specified valueand returns an array of cssstylevalue objects, each containing one of the supplied values. specifications specification status comment css typed om level 1the definition of 'cssstylevalue' in that specification. working draft initial definition. ...

CSSValue - Web APIs
the cssvalue interface represents the current computed value of a css property. properties cssvalue.csstext a domstring representing the current value. cssvalue.cssvaluetyperead only an unsigned short representing a code defining the type of the value. possible values are: constant description css_custom the value is a custom value. css_inherit the value is inherited and the csstext contains "inherit". css_primitive_value the value is a primitive value and an instance of the cssprimitivevalue interface can be obtained by using binding-specific casting methods on this instance of the cssvalue interface. ...
...tant description css_custom the value is a custom value. css_inherit the value is inherited and the csstext contains "inherit". css_primitive_value the value is a primitive value and an instance of the cssprimitivevalue interface can be obtained by using binding-specific casting methods on this instance of the cssvalue interface. css_value_list the value is a cssvalue list and an instance of the cssvaluelist interface can be obtained by using binding-specific casting methods on this instance of the cssvalue interface. specifications specification status comment document object model (dom) level 2 style specificationthe definition of 'cssvalue' in that specification. obsolete initial d...

DOMTokenList.values() - Web APIs
the values() method of the domtokenlist interface returns an iterator allowing developers to go through all values contained in the domtokenlist. the individual values are domstring objects. syntax tokenlist.values(); parameters none. return value returns an iterator. examples in the following example we retrieve the list of classes set on a <span> element as a domtokenlist using element.classlist. we when retrieve an iterator containing the values using values(), then iterate through those values using a for ... of loop, writing each one to the <span>'s node.textcontent. ...
...<span> element as a domtokenlist using element.classlist. we when retrieve an iterator containing the values using values(), then iterate through those values using a for ... of loop, writing each one to the <span>'s node.textcontent. first, the html: <span class="a b c"></span> now the javascript: var span = document.queryselector("span"); var classes = span.classlist; var iterator = classes.values(); for(var value of iterator) { span.textcontent += value + ' ++ '; } the output looks like this: specifications specification status comment domthe definition of 'values() (as iterable<node>)' in that specification. living standard initial definition ...

MediaKeyStatusMap.values() - Web APIs
the values property of the mediakeystatusmap interface returns a new iterator object, containing values for each element in the status map, in insertion order. syntax var iterator = mediakeystatusmap.values() parameters none. returns a new iterator. specifications specification status comment encrypted media extensions recommendation initial definition. browser compatibility the compatibility table on this page is generated from structured data. if you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request. ...
...efinition. browser compatibility the compatibility table on this page is generated from structured data. if you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request. ...

XPathResult.booleanValue - Web APIs
the read-only booleanvalue property of the xpathresult interface returns the boolean value of a result with xpathresult.resulttype being boolean_type. note: this feature is available in web workers. syntax var value = result.booleanvalue; return value the return value is the boolean value of the xpathresult returned by document.evaluate(). exceptions type_err in case xpathresult.resulttype is not boolean_type, an xpathexception of type type_err is thrown. example the following example shows the use of the booleanvalue property. html <div>xpath example</div> <p>text is 'xpath example': <output></output></p> javascript var xpath = "//div/text() = 'xpath example'"; var result = document.evaluate(xpath, document, null, xpathresult.boolean_type, null); document.queryselector("output...
...ption of type type_err is thrown. example the following example shows the use of the booleanvalue property. html <div>xpath example</div> <p>text is 'xpath example': <output></output></p> javascript var xpath = "//div/text() = 'xpath example'"; var result = document.evaluate(xpath, document, null, xpathresult.boolean_type, null); document.queryselector("output").textcontent = result.booleanvalue; result specifications specification status comment document object model (dom) level 3 xpath specificationthe definition of 'xpathresult.booleanvalue' in that specification. recommendation initial definition ...

XPathResult.numberValue - Web APIs
the read-only numbervalue property of the xpathresult interface returns the numeric value of a result with xpathresult.resulttype being number_type. note: this feature is available in web workers. syntax var value = result.numbervalue; return value the return value is the numeric value of the xpathresult returned by document.evaluate(). exceptions type_err in case xpathresult.resulttype is not number_type, an xpathexception of type type_err is thrown. example the following example shows the use of the numbervalue property. html <div>xpath example</div> <div>number of &lt;div&gt;s: <output></output></div> javascript var xpath = "count(//div)"; var result = document.evaluate(xpath, document, null, xpathresult.number_type, null); document.queryselector("output").textcontent = resu...
...type, an xpathexception of type type_err is thrown. example the following example shows the use of the numbervalue property. html <div>xpath example</div> <div>number of &lt;div&gt;s: <output></output></div> javascript var xpath = "count(//div)"; var result = document.evaluate(xpath, document, null, xpathresult.number_type, null); document.queryselector("output").textcontent = result.numbervalue; result specifications specification status comment document object model (dom) level 3 xpath specificationthe definition of 'xpathresult.numbervalue' in that specification. recommendation initial definition ...

XPathResult.singleNodeValue - Web APIs
the read-only singlenodevalue property of the xpathresult interface returns a node value or null in case no node was matched of a result with xpathresult.resulttype being any_unordered_node_type or first_ordered_node_type. note: this feature is available in web workers. syntax var value = result.singlenodevalue; return value the return value is the node value of the xpathresult returned by document.evaluate(). exceptions type_err in case xpathresult.resulttype is not any_unordered_node_type or first_ordered_node_type, an xpathexception of type type_err is thrown. example the following example shows the use of the singlenodevalue property. html <div>xpath example</div> <div>tag name of the element having the text content 'xpath example': <output></output></div> javascript var xp...
...example shows the use of the singlenodevalue property. html <div>xpath example</div> <div>tag name of the element having the text content 'xpath example': <output></output></div> javascript var xpath = "//*[text()='xpath example']"; var result = document.evaluate(xpath, document, null, xpathresult.first_ordered_node_type, null); document.queryselector("output").textcontent = result.singlenodevalue.localname; result specifications specification status comment document object model (dom) level 3 xpath specificationthe definition of 'xpathresult.singlenodevalue' in that specification. recommendation initial definition ...

XPathResult.stringValue - Web APIs
the read-only stringvalue property of the xpathresult interface returns the string value of a result with xpathresult.resulttype being string_type. note: this feature is available in web workers. syntax var value = result.stringvalue; return value the return value is the string value of the xpathresult returned by document.evaluate(). exceptions type_err in case xpathresult.resulttype is not string_type, an xpathexception of type type_err is thrown. example the following example shows the use of the stringvalue property. html <div>xpath example</div> <div>text content of the &lt;div&gt; above: <output></output></div> javascript var xpath = "//div/text()"; var result = document.evaluate(xpath, document, null, xpathresult.string_type, null); document.queryselector("output").textc...
...xception of type type_err is thrown. example the following example shows the use of the stringvalue property. html <div>xpath example</div> <div>text content of the &lt;div&gt; above: <output></output></div> javascript var xpath = "//div/text()"; var result = document.evaluate(xpath, document, null, xpathresult.string_type, null); document.queryselector("output").textcontent = result.stringvalue; result specifications specification status comment document object model (dom) level 3 xpath specificationthe definition of 'xpathresult.stringvalue' in that specification. recommendation initial definition ...

Actual value - CSS: Cascading Style Sheets
the actual value of a css property is the used value of that property after any necessary approximations have been applied. for example, a user agent that can only render borders with a whole-number pixel width may round the thickness of the border to the nearest integer. calculating a property's actual value the user agent performs four steps to calculate a property's actual (final) value: first, the specified value is determined based on the result of cascading, inheritance, or using the initial value. next, the computed value is calculated according to the specification (for example, a span with position: absolute will have its computed display changed to block). then, layout is calculated, resulting in the used value. ...
...te a property's actual (final) value: first, the specified value is determined based on the result of cascading, inheritance, or using the initial value. next, the computed value is calculated according to the specification (for example, a span with position: absolute will have its computed display changed to block). then, layout is calculated, resulting in the used value. finally, the used value is transformed according to the limitations of the local environment, resulting in the actual value. specifications specification status comment css level 2 (revision 1)the definition of 'actual value' in that specification. recommendation initial definition. ...

Initial value - CSS: Cascading Style Sheets
the initial value of a css property is its default value, as listed in its definition table in the specification. the usage of the initial value depends on whether a property is inherited or not: for inherited properties, the initial value is used on the root element only, as long as no specified value is supplied. for non-inherited properties, the initial value is used on all elements, as long as no specified value is supplied. you can explicitly specify the initial value by using the initial keyword. note: the initial value should not be confused with the value specified by the browser's style sheet. specifications specification status comment css cascade 4 formal definition. ...
... as long as no specified value is supplied. you can explicitly specify the initial value by using the initial keyword. note: the initial value should not be confused with the value specified by the browser's style sheet. specifications specification status comment css cascade 4 formal definition. css level 2 (revision 1)the definition of 'initial value' in that specification. recommendation implicit definition. ...

Boolean.prototype.valueOf() - JavaScript
the valueof() method returns the primitive value of a boolean object. the source for this interactive example is stored in a github repository. if you'd like to contribute to the interactive examples project, please clone https://github.com/mdn/interactive-examples and send us a pull request. syntax bool.valueof() return value the primitive value of the given boolean object description the valueof() method of boolean returns the primitive value of a boolean object or literal boolean as a boolean data type. this method is usually called internally by javascript and not explicitly in code. ...
...ne https://github.com/mdn/interactive-examples and send us a pull request. syntax bool.valueof() return value the primitive value of the given boolean object description the valueof() method of boolean returns the primitive value of a boolean object or literal boolean as a boolean data type. this method is usually called internally by javascript and not explicitly in code. examples using valueof() x = new boolean(); myvar = x.valueof(); // assigns false to myvar specifications specification ecmascript (ecma-262)the definition of 'boolean.prototype.valueof' in that specification. ...

Map.prototype.values() - JavaScript
the values() method returns a new iterator object that contains the values for each element in the map object in insertion order. the source for this interactive example is stored in a github repository. if you'd like to contribute to the interactive examples project, please clone https://github.com/mdn/interactive-examples and send us a pull request. syntax mymap.values() return value a new map iterator object. ...
...or object that contains the values for each element in the map object in insertion order. the source for this interactive example is stored in a github repository. if you'd like to contribute to the interactive examples project, please clone https://github.com/mdn/interactive-examples and send us a pull request. syntax mymap.values() return value a new map iterator object. examples using values() var mymap = new map(); mymap.set('0', 'foo'); mymap.set(1, 'bar'); mymap.set({}, 'baz'); var mapiter = mymap.values(); console.log(mapiter.next().value); // "foo" console.log(mapiter.next().value); // "bar" console.log(mapiter.next().value); // "baz" specifications specification ecmascript (ecma-262)the definition of 'map.prototype.values' in that specification. ...

Number.MAX_VALUE - JavaScript
the number.max_value property represents the maximum numeric value representable in javascript. the source for this interactive example is stored in a github repository. if you'd like to contribute to the interactive examples project, please clone https://github.com/mdn/interactive-examples and send us a pull request. property attributes of number.max_value writable no enumerable no configurable no description the max_value property has a value of approximately 1.79e+308, or 21024. values larger than max_value are represented as infinity. because max_value is a static property of number, you always use it as number.max_value, rather than as a property of a number object you created. example...
...o enumerable no configurable no description the max_value property has a value of approximately 1.79e+308, or 21024. values larger than max_value are represented as infinity. because max_value is a static property of number, you always use it as number.max_value, rather than as a property of a number object you created. examples using max_value the following code multiplies two numeric values. if the result is less than or equal to max_value, the func1 function is called; otherwise, the func2 function is called. if (num1 * num2 <= number.max_value) { func1(); } else { func2(); } specifications specification ecmascript (ecma-262)the definition of 'number.max_value' in that specification. ...

Number.prototype.valueOf() - JavaScript
the valueof() method returns the wrapped primitive value of a number object. the source for this interactive example is stored in a github repository. if you'd like to contribute to the interactive examples project, please clone https://github.com/mdn/interactive-examples and send us a pull request. syntax numobj.valueof() return value a number representing the primitive value of the specified number object. description this method is usually called internally by javascript and not explicitly in web code. ...
...thub repository. if you'd like to contribute to the interactive examples project, please clone https://github.com/mdn/interactive-examples and send us a pull request. syntax numobj.valueof() return value a number representing the primitive value of the specified number object. description this method is usually called internally by javascript and not explicitly in web code. examples using valueof let numobj = new number(10) console.log(typeof numobj) // object let num = numobj.valueof() console.log(num) // 10 console.log(typeof num) // number specifications specification ecmascript (ecma-262)the definition of 'number.prototype.valueof' in that specification. ...

Set.prototype.values() - JavaScript
the values() method returns a new iterator object that contains the values for each element in the set object in insertion order. the keys() method is an alias for this method (for similarity with map objects); it behaves exactly the same and returns values of set elements. the source for this interactive example is stored in a github repository. if you'd like to contribute to the interactive examples project, please clone https://github.com/mdn/interactive-examples and send us a pull request. syntax myset.values(); return value a new iterator object containing the values for each element in the given set, in insertion order. ...
...f set elements. the source for this interactive example is stored in a github repository. if you'd like to contribute to the interactive examples project, please clone https://github.com/mdn/interactive-examples and send us a pull request. syntax myset.values(); return value a new iterator object containing the values for each element in the given set, in insertion order. examples using values() var myset = new set(); myset.add('foo'); myset.add('bar'); myset.add('baz'); var setiter = myset.values(); console.log(setiter.next().value); // "foo" console.log(setiter.next().value); // "bar" console.log(setiter.next().value); // "baz" specifications specification ecmascript (ecma-262)the definition of 'set.prototype.values' in that specification. ...

Values - MathML
lengths several mathml presentation elements have attributes that accept length values used for size or spacing. mathml accepts different units and constants for specifying lengths. units unit description em font-relative unit ex font-relative unit. (the "x"-height of the element, 1ex ≈ 0.5em in many fonts) px pixels in inches (1 inch = 2.54 centimeters) cm centimeters mm millimeters pt points (1 point = 1/72 inch) pc picas (1 pica = 12 points) % percentage of the default value. constants a replacement for the deprecated constants below is: veryverythinmathspace => 0.05555555555555555em verythinmathspace => 0.1111111111111111em thinmathspace ...
...cement for the deprecated constants below is: veryverythinmathspace => 0.05555555555555555em verythinmathspace => 0.1111111111111111em thinmathspace => 0.16666666666666666em mediummathspace => 0.2222222222222222em thickmathspace => 0.2777777777777778em verythickmathspace => 0.3333333333333333em veryverythickmathspace => 0.3888888888888889em constant value veryverythinmathspace 1/18em verythinmathspace 2/18em thinmathspace 3/18em mediummathspace 4/18em thickmathspace 5/18em verythickmathspace 6/18em veryverythickmathspace 7/18em negative contstants are introduced in gecko 7.0 (firefox 7.0 / thunderbird 7.0 / seamonkey 2.4) (bug 650530) ...

getValueNumber - Archive of obsolete content
getvaluenumber gets the value of a key when that value is a number. method of winreg object syntax number getvaluenumber ( string subkey, string valname); parameters the getvaluestring method has the following parameters: subkey the key path to the appropriate location in the key hierarchy, such as "software\\netscape\\navigator\\mail". valname the name of the value-name/value pair whose value you want. returns number value of the specified key or null if there's an error, the value is not found, or the value is not a string. ...

getValueString - Archive of obsolete content
getvaluestring retrieves the value of a key when that value is a string. method of winreg object syntax string getvaluestring ( string subkey, string valname); parameters the getvaluestring method has the following parameters: subkey the key path to the appropriate location in the key hierarchy, such as "software\\netscape\\navigator\\mail". valname the name of the value-name/value pair whose value you want. returns a string representing the value of the named value-name/value pair or null if there's an error, the value is not found, or the value is not a string. description the getvaluestring method gets the value of a string. if the value is not a string, use the getvalue method instead. ...

label.value - Archive of obsolete content
« xul reference home value type: string the text to be used for the label. ...

progressmeter.value - Archive of obsolete content
« xul reference home value type: integer an integer ranging from 0 to the maximum value that indicates the progress. for instance, if no maximum value has been set, setting the value to "0" shows an empty bar, "100" shows a bar at full length and "25" shows the first quarter of the bar. ...

where.value - Archive of obsolete content
« xul reference home value type: string the value to compare. ...

ValueChange - Archive of obsolete content
this event is used mainly for an accessibility purpose. general info specification xul interface event bubbles yes cancelable yes target element default action none properties property type description target read only eventtarget the event target (the topmost target in the dom tree). type read only domstring the type of event. ...

getNotificationWithValue - Archive of obsolete content
« xul reference home getnotificationwithvalue( value ) return type: notification element retrieve the notification with a particular value. the value is specified when adding the notification with appendnotification. if no matching value is found, returns null. ...

getResultValueAt - Archive of obsolete content
« xul reference home getresultvalueat( index ) return type: result value returns the result value at the specified index. the item will correspond to the text of that item that appears in the popup. ...

dateValue - Archive of obsolete content
...

datepicker.value - Archive of obsolete content
« xul reference value type: string the currently selected date in the form yyyy-mm-dd. unlike the month property, months in this value range from 01 to 12. set this property to change the selected date. ...

textValue - Archive of obsolete content
« xul reference textvalue new in thunderbird 15 requires seamonkey 2.12 type: string returns the content of the textbox. equivalent to the value property. note: setting the value causes an input event to be generated without triggering autocompletion. ...

textbox.value - Archive of obsolete content
« xul reference value type: string holds the current value of the textbox as a string. the current value may be modified by setting this property. ...

timepicker.value - Archive of obsolete content
« xul reference value type: string the currently entered time of the form hh:mm:ss. set this property to change the time. ...

Nullish value - MDN Web Docs Glossary: Definitions of Web-related terms
in javascript, a nullish value is the value which is either null or undefined. nullish values are always falsy. ...

Value - MDN Web Docs Glossary: Definitions of Web-related terms
in the context of data or an object wrapper around that data, the value is the primitive value that the object wrapper contains. in the context of a variable or property, the value can be either a primitive or an object reference. learn more general knowledge primitive wrapper class on wikipedia ...

Makefile - macro values
variable values moz_widget_toolkit cocoa ...

PL_CompareValues
compares two void * values numerically. syntax #include <plhash.h> printn pl_comparevalues(const void *v1, const void *v2); description pl_comparevalues compares the two void * values v1 and v2 numerically, i.e., it returns the value of the expression v1 == v2. pl_comparevalues can be used as the comparator function for integer or pointer-valued key or entry value. ...

GetComputedStyleCSSValue
...

GetComputedStyleValue
...

nsMsgFilterFileAttribValue
defined in comm-central/ mailnews/ base/ search/ public/ nsimsgfilterlist.idl const nsmsgfilterfileattribvalue attribnone = 0; const nsmsgfilterfileattribvalue attribversion = 1; const nsmsgfilterfileattribvalue attriblogging = 2; const nsmsgfilterfileattribvalue attribname = 3; const nsmsgfilterfileattribvalue attribenabled = 4; const nsmsgfilterfileattribvalue attribdescription = 5; const nsmsgfilterfileattribvalue attribtype = 6; const nsmsgfilterfileattribvalue attribscriptfile = 7; const nsmsgfilterfileattribvalue attribaction = 8; const nsmsgfilterfileattribvalue attribactionvalue = 9; const nsmsgfilterfileattribvalue attribcondition = 10; const nsmsgfilterfileattribvalue attribcustomid = 11; ...

nsMsgLabelValue
defined in comm-central/ mailnews/ base/ public/ mailnewstypes2.idl typedef unsigned long nsmsglabelvalue; ...

nsMsgPriorityValue
defined in comm-central/ mailnews/ base/ public/ mailnewstypes2.idl typedef long nsmsgpriorityvalue; [scriptable, uuid(94c0d8d8-2045-11d3-8a8f-0060b0fc04d2)] interface nsmsgpriority { const nsmsgpriorityvalue notset = 0; const nsmsgpriorityvalue none = 1; const nsmsgpriorityvalue lowest = 2; const nsmsgpriorityvalue low = 3; const nsmsgpriorityvalue normal = 4; const nsmsgpriorityvalue high = 5; const nsmsgpriorityvalue highest = 6; // the default for a priority picker const nsmsgpriorityvalue default = 4; }; ...

nsMsgSearchTypeValue
defined in comm-central/ mailnews/ base/ search/ public/ nsmsgsearchcore.idl used to specify type of search to be performed [scriptable,uuid(964b7f32-304e-11d3-ae13-00a0c900d445)] interface nsmsgsearchtype { const nsmsgsearchtypevalue none = 0; const nsmsgsearchtypevalue rootdse = 1; const nsmsgsearchtypevalue normal = 2; const nsmsgsearchtypevalue ldapvlv = 3; const nsmsgsearchtypevalue namecompletion = 4; }; ...

nsMsgSearchValue
defined in comm-central/ mailnews/ base/ search/ public/ nsmsgsearchcore.idl use this to specify the value of a search term [ptr] native nsmsgsearchvalue(nsmsgsearchvalue); %{c++ typedef struct nsmsgsearchvalue { nsmsgsearchattribvalue attribute; union { nsmsgpriorityvalue priority; prtime date; pruint32 msgstatus; /* see msg_flag in msgcom.h */ pruint32 size; nsmsgkey key; print32 age; /* in days */ nsimsgfolder *folder; nsmsglabelvalue label; pruint32 junkstatus; pruint32 junkpercent; } u; char *string; } nsmsgsearchvalue; ...

nsMsgSearchWidgetValue
defined in comm-central/ mailnews/ base/ search/ public/ nsmsgsearchcore.idl fes use this to help build the search dialog box typedef long nsmsgsearchwidgetvalue; /* fes use this to help build the search dialog box */ [scriptable,uuid(903dd2e8-304e-11d3-92e6-00a0c900d445)] interface nsmsgsearchwidget { const nsmsgsearchwidgetvalue text = 0; const nsmsgsearchwidgetvalue date = 1; const nsmsgsearchwidgetvalue menu = 2; const nsmsgsearchwidgetvalue int = 3; /* added to account for age in days which requires an integer field */ const nsmsgsearchwidgetvalue none = 4; }; ...

AudioParam.defaultValue - Web APIs
the defaultvalue read-only property of the audioparam interface represents the initial value of the attributes as defined by the specific audionode creating the audioparam. syntax var defaultval = audioparam.defaultvalue; value a floating-point number. example const audioctx = new audiocontext(); const gainnode = audioctx.creategain(); const defaultval = gainnode.gain.defaultvalue; console.log(defaultval); // 1 console.log(defaultval === gainnode.gain.value); // true specifications specification status comment web audio apithe definition of 'defaultvalue' in that specification. working draft ...

AudioParam.maxValue - Web APIs
the maxvalue read-only property of the audioparam interface represents the maximum possible value for the parameter's nominal (effective) range. syntax var maxval = audioparam.maxvalue; value a floating-point number indicating the maximum value permitted for the parameter's nominal range. the default value of maxvalue is the maximum positive single-precision floating-point value (+340,282,346,638,528,859,811,704,183,484,516,925,440). example const audioctx = new audiocontext(); const gainnode = audioctx.creategain(); console.log(gainnode.gain.maxvalue); // 3.4028234663852886e38 specifications specification status comment web audio apithe definition of 'maxvalue' in that specification. working draft ...

AudioParam.minValue - Web APIs
the minvalue read-only property of the audioparam interface represents the minimum possible value for the parameter's nominal (effective) range. syntax var minval = audioparam.minvalue; value a floating-point number indicating the minimum value permitted for the parameter's nominal range. the default value of minvalue is the minimum negative single-precision floating-point value (-340,282,346,638,528,859,811,704,183,484,516,925,440). example const audioctx = new audiocontext(); const gainnode = audioctx.creategain(); console.log(gainnode.gain.minvalue); // -3.4028234663852886e38 specifications specification status comment web audio apithe definition of 'minvalue' in that specification. working draft ...

BluetoothRemoteGATTCharacteristic.readValue() - Web APIs
the bluetoothremotegattcharacteristic.readvalue() method returns a promise that resolves to a dataview holding a duplicate of the value property if it is available and supported. otherwise it throws an error. syntax bluetoothremotegattcharacteristic.readvalue().then(function(dataview) { ... }) returns a promise that resolves to an dataview. specifications specification status comment web bluetooththe definition of 'readvalue()' in that specification. draft initial definition. ...

BluetoothRemoteGATTCharacteristic.value - Web APIs
the bluetoothremotegattcharacteristic.value read-only property returns currently cached characteristic value. this value gets updated when the value of the characteristic is read or updated via a notification or indication. syntax var value = bluetoothremotegattcharacteristic.value returns the currently cached characteristic value. specifications specification status comment web bluetooththe definition of 'value' in that specification. draft initial definition. ...

BluetoothRemoteGATTCharacteristic.writeValue() - Web APIs
the bluetoothremotegattcharacteristic.writevalue() method sets the value property to the bytes contained in an arraybuffer and returns a promise. syntax bluetoothremotegattcharacteristic.writevalue(value).then(function() { ... }) returns a promise. parameters value an arraybuffer. specifications specification status comment web bluetooththe definition of 'writevalue()' in that specification. draft initial definition. ...

CSSMathProduct.values - Web APIs
the cssmathproduct.values read-only property of the cssmathproduct interface returns a cssnumericarray object which contains one or more cssnumericvalue objects. syntax var cssnumericarray = cssmathproduct.values; value a cssnumericarray. specifications specification status comment css typed om level 1the definition of 'values' in that specification. working draft initial definition. ...

CSSMathSum.values - Web APIs
the cssmathsum.values read-only property of the cssmathsum interface returns a cssnumericarray object which contains one or more cssnumericvalue objects. syntax var cssnumericarray = cssmathsum.values; value a cssnumericarray. specifications specification status comment css typed om level 1the definition of 'values' in that specification. working draft initial definition. ...

CSSNumericValue.add() - Web APIs
examples let mathsum = css.px("23").add(css.percent("4")).add(css.cm("3")).add(css.in("9")); // prints "calc(23px + 4% + 3cm + 9in)" console.log(mathsum.tostring()); specifications specification status comment css typed om level 1the definition of 'add' in that specification. ...

CSSNumericValue.div() - Web APIs
exceptions typeerror indicates that an invalid type was passed to the method. examples let mathproduct = css.px("24").div(css.percent("4")); // prints "calc(24px / 4%)" mathproduct.tostring(); specifications specification status comment css typed om level 1the definition of 'div' in that specification. ...

CSSNumericValue.mul() - Web APIs
examples let mathsum = css.px("23").mul(css.percent("4")).mul(css.cm("3")).mul(css.in("9")); // prints "calc(23px * 4% * 3cm * 9in)" console.log(mathsum.tostring()); specifications specification status comment css typed om level 1the definition of 'mul' in that specification. ...

CSSNumericValue.parse() - Web APIs
the parse() method of the cssnumericvalue interface converts a value string into an object whose members are value and the units. syntax var cssnumericvalue = cssnumericvalue.parse(csstext); parameters csstext a string containing numeric and unit parts. return value a cssnumericvalue. exceptions syntaxerror tbd examples the following returns a cssunitvalue object with a unit property equal to "px" and a value property equal to 42. let numvalue = cssnumericvalue.parse("42.0px"); specifications specification status comment css typed om level 1the definition of 'parse' in that specification. working draft initial definition. ...

CSSNumericValue.sub() - Web APIs
examples let mathsum = css.px("23").sum(css.percent("4")).sum(css.cm("3")).sum(css.in("9")); // prints "calc(23px - 4% - 3cm - 9in)" console.log(mathsum.tostring()); and/or include a list of links to useful code samples that live elsewhere: specifications specification status comment css typed om level 1the definition of 'sub' in that specification. ...

CSSNumericValue.sum() - Web APIs
examples let mathsum = css.px("23").sum(css.percent("4")).sum(css.cm("3")).sum(css.in("9")); // prints "calc(23px - 4% - 3cm - 9in)" console.log(mathsum.tostring()); and/or include a list of links to useful code samples that live elsewhere: specifications specification status comment css typed om level 1the definition of 'sub' in that specification. ...

CSSNumericValue.toSum() - Web APIs
exceptions syntaxerror undefined typeerror indicates that an invalid type was passed to the method. examples let v = css.px("23").add(css.percent("4")).add(css.cm("3")).add(css.in("9")); v.tostring() // => "calc(23px + 4% + 3cm + 9in)" v.tosum("px", "percent").tostring() // => "calc(1000.39px + 4%)" specifications specification status comment css typed om level 1the definition of 'tosum' in that specification. ...

CSSNumericValue.type - Web APIs
exceptions none. examples let mathsum = css.px("23").sub(css.percent("4")).sub(css.cm("3")).sub(css.in("9")); // returns an object with the structure: {length: 1, percenthint: "length"} let cssnumerictype = mathsum.type(); specifications specification status comment css typed om level 1the definition of 'type' in that specification. ...

CSSStyleDeclaration.getPropertyValue() - Web APIs
the cssstyledeclaration.getpropertyvalue() method interface returns a domstring containing the value of a specified css property. syntax var value = style.getpropertyvalue(property); parameters property is a domstring representing the property name to be checked. return value value is a domstring containing the value of the property. if not set, returns the empty string. example the following javascript code queries the value of the margin property in a css selector rule: var declaration = document.stylesheets[0].cssrules[0].style; var value = declaration.getpropertyvalue('margin'); // "1px 2px" specifications specification status comment css object model (cssom)the definition of 'cssstyledeclaration.getpropertyvalue()' in that specification. wo...

CSSUnitValue.unit - Web APIs
the cssunitvalue.unit read-only property of the cssunitvalue interface returns a usvstring indicating the type of unit. syntax var astring = cssunitvalue.unit; value a usvstring. examples the following creates a csspositionvalue from individual cssunitvalue constructors, then queries the cssunitvalue.unit. let pos = new csspositionvalue( new cssunitvalue( 5, "px" ), new cssunitvalue( 10, "em" )); console.log( pos.x.unit ); // "px" console.log( pos.y.unit ); // "em" specifications specification status comment css typed om level 1the definition of 'cssunitvalue.unit' in that specification. working draft initial definition. ...

CSSUnparsedValue.forEach() - Web APIs
the cssunparsedvalue.foreach() method executes a provided function once for each element of the cssunparsedvalue. syntax cssunparsedvalue.foreach(function callback(currentvalue[, index[, array]]) { // your iterator }[, thisarg]); parameters callback the function to execute for each element, taking three arguments: currentvalue the value of the current element being processed. indexoptional the index of the current element being processed. arrayoptional the cssunparsedvalue that foreach() is being called on. thisarg optional value to use as this (i.e the reference object) when executing callback. return value undefined. specifications specification status comment css typed om level 1the definition of 'foreach()' in that specific...

CSSUnparsedValue.length - Web APIs
the length read-only property of the cssunparsedvalue interface returns the number of items in the object. syntax var length = cssunparsedvalue.length; value an integer. examples in this example we employ the cssunparsedvalue.cssunparsedvalue() constructor, then query the length: let values = new cssunparsedvalue( ['1em', '#445566', '-45px'] ); console.log( values.length ) // 3 specifications specification status comment css typed om level 1the definition of 'length' in that specification. working draft initial definition. ...

CSSValue.cssText - Web APIs
the csstext property of the cssvalue interface represents the current computed css property value. syntax csstext = cssvalue.csstext; value a domstring representing the current css property value. example var styledeclaration = document.stylesheets[0].cssrules[0].style; var cssvalue = styledeclaration.getpropertycssvalue("color"); console.log(cssvalue.csstext); specifications specification status comment document object model (dom) level 2 style specificationthe definition of 'cssvalue.csstext' in that specification. obsolete initial definition ...

CSSValueList.item() - Web APIs
the item() method of the cssvaluelist interface is used to retrieve a cssvalue by ordinal index. the order in this collection represents the order of the values in the css style property. if the index is greater than or equal to the number of values in the list, this method returns null. syntax var cssvalue = cssvaluelist.item(index); parameters index an unsigned long representing the index of the css value within the collection. return value a cssvalue object at the index position in the cssvaluelist, or null if that is not a valid index. specifications specification status comment document object model (dom) level 2 style specificationthe definition of 'cssvaluelist.item' in that specification. obsolete initial definition ...

CSSValueList.length - Web APIs
the length read-only property of the cssvaluelist interface represents the number of cssvalues in the list. the range of valid values of the indices is 0 to length-1 inclusive. syntax var length = cssvaluelist.length; value an unsigned long representing the number of cssvalues. specifications specification status comment document object model (dom) level 2 style specificationthe definition of 'cssvaluelist.length' in that specification. obsolete initial definition ...

CSSVariableReferenceValue() - Web APIs
creates a new cssvariablereferencevalue. syntax new cssvariablereferencevalue(variable[, fallback]]) parameters variable a custom property name. fallback optional. a custom property fallback value. specifications specification status comment css typed om level 1the definition of 'cssvariablereferencevalue()' in that specification. working draft initial definition. ...

CSSVariableReferenceValue.fallback - Web APIs
the fallback read-only property of the cssvariablereferencevalue interface returns the custom property fallback value of the cssvariablereferencevalue. syntax var fallback = cssvariablereferencevalue.fallback; value a cssunparsedvalue. specifications specification status comment css typed om level 1the definition of 'fallback' in that specification. working draft ...

CSSVariableReferenceValue.variable - Web APIs
the variable property of the cssvariablereferencevalue interface returns the custom property name of the cssvariablereferencevalue. syntax var variable = cssvariablereferencevalue.variable; value a usvstring beginning with -- (that is, a custom property name). specifications specification status comment css typed om level 1the definition of 'variable' in that specification. working draft ...

CSSVariableReferenceValue - Web APIs
the cssvariablereferencevalue interface of the css typed object model api allows you to create a custom name for a built-in css value. this object functionality is sometimes called a "css variable" and serves the same purpose as the var() function. the custom name must begin with two dashes. constructor cssvariablereferencevalue.cssvariablereferencevalue() creates a new cssvariablereferencevalue object. properties cssvariablereferencevalue.variable returns the custom name passed to the constructor. cssvariablereferencevalue.fallback read only returns the built-in css value for the custom name. methods none. specifications specification status comment css typed om level 1the definition of 'cssvariablereferencevalue' in that specification. working...

DOMTokenList.value - Web APIs
the value property of the domtokenlist interface is a stringifier that returns the value of the list as a domstring, or clears and sets the list to the given value. syntax tokenlist.value; value a domstring examples in the following example we retrieve the list of classes set on a <span> element as a domtokenlist using element.classlist, then write the value of the list to the <span>'s node.textcontent. first, the html: <span class="a b c"></span> now the javascript: let span = document.queryselector("span"); let classes = span.classlist; span.textcontent = classes.value; the output looks like this: specifications specification status comment domthe definition of 'value' in that specification. living standard initial definition ...

DeviceLightEvent.value - Web APIs
specifications specification status comment ambient light sensorthe definition of 'ambient light events' in that specification. ...

DeviceProximityEvent.value - Web APIs
the value property of deviceproximityevent objects provides the current distance between the device and the detected object, in centimeters. syntax var distance = instanceofdeviceproximityevent.value; value a positive number representing a distance in centimeters (cm) between the device's proximity sensor and the detected object. ...

FormData.values() - Web APIs
the formdata.values() method returns an iterator allowing to go through all values contained in this object. the values are usvstring or blob objects. note: this method is available in web workers. syntax formdata.values(); return value returns an iterator. example // create a test formdata object var formdata = new formdata(); formdata.append('key1', 'value1'); formdata.append('key2', 'value2'); // display the values for (var value of formdata.values()) { console.log(value); } the result is: value1 value2 specifications specification status comment xmlhttprequestthe definition of 'values() (as iterator<>)' in that specification. living standard initial definition ...

FormDataEntryValue - Web APIs
a string or file that represents a single value from a set of formdata key-value pairs. this type is returned by the formdata.get() and formdata.getall() methods. the formdata.get() method returns a single value while formdata.getall() returns an array of formdataentryvalues. note that the formdata.append() and formdata.set() methods allow passing a blob value, which is converted to a file in the process. ...

GamepadButton.value - Web APIs
the gamepadbutton.value property of the gamepadbutton interface returns a double value used to represent the current state of analog buttons on many modern gamepads, such as the triggers. the values are normalized to the range 0.0 — 1.0, with 0.0 representing a button that is not pressed, and 1.0 representing a button that is fully pressed. syntax readonly attribute double value; example var gp = navigator.getgamepads()[0]; if(gp.buttons[0].value > 0) { // respond to analog button being pressed in } value a double. specifications specification status comment gamepadthe definition of 'gamepadbutton.value' in that specification. working draft initial definition ...

HTMLDataElement.value - Web APIs
the value property of the htmldataelement interface returns a domstring reflecting the value html attribute. syntax var avalue = htmldataelement.value htmldataelement.value = avalue value a domstring. specifications specification status comment html living standardthe definition of 'htmldataelement.value' in that specification. living standard html5the definition of 'value' in that specification. recommendation ...

KeyboardLayoutMap.values - Web APIs
the values read-only property of the keyboardlayoutmap interface returns a new array iterator object that contains the values for each index in the map. syntax var iterator = keyboardlayoutmap.values value an iterator. specifications specification status comment keyboard mapthe definition of 'values' in that specification. editor's draft initial definition. ...

StylePropertyMapReadOnly.values() - Web APIs
the stylepropertymapreadonly.values() method returns a new array iterator containing the values for each index in the stylepropertymapreadonly object. syntax stylepropertymapreadonly.values() parameters none. return value a new array. example // tbd specifications specification status comment css typed om level 1the definition of 'values()' in that specification. working draft initial definition. ...

USBConfiguration.configurationValue - Web APIs
the configurationvalue read-only property of the usbconfiguration interface null syntax var value = usbconfiguration.configurationvalue value the configuration descriptor of the usbdevice specified in the constructor of the current usbconfiguration instance. specifications specification status comment unknownthe definition of 'configurationvalue' in that specification. unknown initial definition. ...

::-webkit-meter-suboptimum-value - CSS: Cascading Style Sheets
the ::-webkit-meter-suboptimum-value pseudo-element gives a yellow color to the <meter> element when the value attribute falls outside of the low-high range. syntax ::-webkit-meter-suboptimum-value examples this example will only work in browsers based on webkit or blink. html <meter min="0" max="10" value="6">score out of 10</meter> css meter::-webkit-meter-suboptimum-value { background: -webkit-gradient linear, left top, left bottom; height: 100%; box-sizing: border-box; } result specifications not part of any standard. ...

::-webkit-progress-value - CSS: Cascading Style Sheets
the ::-webkit-progress-value css pseudo-element represents the filled-in portion of the bar of a <progress> element. it is a child of the ::-webkit-progress-bar pseudo-element. note: in order to let ::-webkit-progress-value take effect, -webkit-appearance needs to be set to none on the <progress> element. syntax ::-webkit-progress-value examples this example will only work in browsers based on blink or webkit. html <progress value="10" max="50"> css progress { -webkit-appearance: none; } ::-webkit-progress-value { background-color: orange; } result result screenshot a progress bar using the style above would look like this: specifications not part of any standard. ...

Resolved value - CSS: Cascading Style Sheets
the resolved value of a css property is the value returned by getcomputedstyle(). for most properties, it is the computed value, but for a few legacy properties (including width and height), it is instead the used value. see the specification link below for more per-property details. specifications specification status comment css object model (cssom)the definition of 'resolved value' in that specification. working draft initial definition. ...

BigInt.prototype.valueOf() - JavaScript
the valueof() method returns the wrapped primitive value of a bigint object. the source for this interactive example is stored in a github repository. if you'd like to contribute to the interactive examples project, please clone https://github.com/mdn/interactive-examples and send us a pull request. syntax bigintobj.valueof() return value a bigint representing the primitive value of the specified bigint object. examples using valueof typeof object(1n); // object typeof object(1n).valueof(); // bigint specifications specification ecmascript (ecma-262)the definition of 'bigint.prototype.valueof()' in that specification. ...

Date.prototype.valueOf() - JavaScript
the valueof() method returns the primitive value of a date object. syntax dateobj.valueof() return value the number of milliseconds between 1 january 1970 00:00:00 utc and the given date. description the valueof() method returns the primitive value of a date object as a number data type, the number of milliseconds since midnight 01 january, 1970 utc. this method is functionally equivalent to the date.prototype.gettime() method. this method is usually called internally by javascript and not explicitly in code. examples using valueof() var x = new date(56, 6, 17); var myvar = x.valueof(); // assigns -424713600000 to myvar specifications specification ecmascript (ecma-262)the definition of 'date.prototype.valueof' in that specification. ...

String.prototype.valueOf() - JavaScript
the valueof() method returns the primitive value of a string object. syntax str.valueof() return value a string representing the primitive value of a given string object. description the valueof() method of string returns the primitive value of a string object as a string data type. this value is equivalent to string.prototype.tostring(). this method is usually called internally by javascript and not explicitly in code. examples using valueof() var x = new string('hello world'); console.log(x.valueof()); // displays 'hello world' specifications specification ecmascript (ecma-262)the definition of 'string.prototype.valueof' in that specification. ...

Symbol.prototype.valueOf() - JavaScript
the valueof() method returns the primitive value of a symbol object. syntax symbol().valueof() return value the primitive value of the specified symbol object. description the valueof method of symbol returns the primitive value of a symbol object as a symbol data type. javascript calls the valueof method to convert an object to a primitive value. you rarely need to invoke the valueof method yourself; javascript automatically invokes it when encountering an object where a primitive value is expected. examples using valueof const sym = symbol("example"); sym === sym.valueof(); // true specifications specification ecmascript (ecma-262)the definition of 'symbol.prototype.valueof' in that specification. ...

<xsl:value-of> - XSLT: Extensible Stylesheet Language Transformations
xslt/xpath reference: xslt elements, exslt functions, xpath functions, xpath axes the <xsl:value-of> element evaluates an xpath expression, converts it to a string, and writes that string to the result tree. syntax <xsl:value-of select=expression disable-output-escaping="yes" | "no" /> required attributes select specifies the xpath expression to be evaluated and written to the output tree. optional attributes disable-output-escaping (netscape does not serialize the result of transformation - the "output" below - so this attribute is essentially irrelevant in context. to output html-entities, use numerical values instead, eg &#160 for &nbsp) specifies whether special characters are escaped when written to the output. the available values are "yes" or "no". if "yes" i...

Index - Web APIs
y of strings in the address's addressline. the returned string explains the error and should offer suggestions for how to correct it. 31 addresserrors.city api, address, addresserrors, error, payment request, payment request api, property, read-only, reference, city, payment an object based on addresserrors includes a city property when validation of the address fails for the value given for the address's city property. the returned string explains the error and should offer suggestions for how to correct it. 32 addresserrors.country api, addresserrors, error, payment request, payment request api, property, reference, validation, country, payment an object based on addresserrors includes a country property if during validation of the address the specifi...
...ven for the address's city property. the returned string explains the error and should offer suggestions for how to correct it. 32 addresserrors.country api, addresserrors, error, payment request, payment request api, property, reference, validation, country, payment an object based on addresserrors includes a country property if during validation of the address the specified value of country was determined to be invalid. the value is a string describing the error and should offer suggestions for how to correct it. 33 addresserrors.dependentlocality api, addresserrors, error, locality, payment request, payment request api, property, read-only, reference, dependentlocality, payment an object based on addresserrors includes a dependentlocality property wh...
...ns. 52 analysernode.analysernode() api, analysernode, audio, constructor, media, reference, web audio api the analysernode constructor of the web audio api creates a new analysernode object instance. 53 analysernode.fftsize api, analysernode, property, reference, web audio api, fftsize the fftsize property of the analysernode interface is an unsigned long value and represents the window size in samples that is used when performing a fast fourier transform (fft) to get frequency domain data. 54 analysernode.frequencybincount api, analysernode, property, reference, web audio api, frequencybincount the frequencybincount read-only property of the analysernode interface is an unsigned integer half that of the analysernode.fftsize. this g...
...And 593 more matches

JXON - Archive of obsolete content
e doc — the dom tree — to a javascript object tree (you can read more about working with objects and how javascript is object-oriented). we can use several algorithms to convert its content to a javascript object tree. algorithm #1: a verbose way this simple recursive constructor will convert an xml dom tree to a javascript object tree. the text content of each element is stored into the keyvalue property, while nodeattributes, if they exist, are listed under the child object keyattributes. the constructor's argument can be the entire xml document, a documentfragment or simply an element node. /*\ |*| |*| jxon snippet #1 mdndeveloper network |*| |*| https://developer.mozilla.org/docs/jxon |*| https://developer.mozilla.org/user:fusionchess |*| |*| this framework is released under the ...
... be the entire xml document, a documentfragment or simply an element node. /*\ |*| |*| jxon snippet #1 mdndeveloper network |*| |*| https://developer.mozilla.org/docs/jxon |*| https://developer.mozilla.org/user:fusionchess |*| |*| this framework is released under the gnu public license, version 3 or later. ...
...a documentfragment or simply an element node. /*\ |*| |*| jxon snippet #1 mdndeveloper network |*| |*| https://developer.mozilla.org/docs/jxon |*| https://developer.mozilla.org/user:fusionchess |*| |*| this framework is released under the gnu public license, version 3 or later. ...
...And 131 more matches

WebIDL bindings
n will eventually get you to a window, so that every webidl object is associated with a particular window. for example, nsinode::getparentobject returns the node's owner document. the return type of getparentobject doesn't matter other than it must either singly-inherit from nsisupports or have a corresponding tosupports method that can produce an nsisupports from it. (this allows the return value to be implicitly converted to a parentobject instance by the compiler via one of that class's non-explicit constructors.) if many instances of myinterface are expected to be created quicky, the return value of getparentobject should itself inherit from nswrappercache for optimal performance. returning null from getparentobject is allowed in situations in which it's ok to associate the result...
...dd an entry either and the code generator will simply assume the defaults here. note that using a 'headerfile' annotation is generally not recommended. if you do use it, you will need to make sure your header includes all the headers needed for your func annotations. add external interface entries to bindings.conf for whatever non-webidl interfaces your new interface has as arguments or return values. implement a wrapobject override on mozilla::dom::myinterface that just calls through to mozilla::dom::myinterface_binding::wrap. note that if your c++ type is implementing multiple distinct web idl interfaces, you need to choose which mozilla::dom::myinterface_binding::wrap to call here. see audiocontext::wrapobject, for example. expose whatever methods the interface needs on mozilla::dom::m...
...ple patch that migrates window.performance.* to webidl bindings. note: if your object can only be reflected into js by creating it, not by retrieving it from somewhere, you can skip steps 1 and 2 above and instead add 'wrappercache': false to your descriptor. you will need to flag the functions that return your object as [newobject] in the webidl. if your object is not refcounted then the return value of functions that return it should return an nsautoptr. c++ reflections of webidl constructs c++ reflections of webidl operations (methods) a webidl operation is turned into a method call on the underlying c++ object. the return type and argument types are determined as described below. in addition to those, all methods that are allowed to throw will get an errorresult& argument appended to ...
...And 103 more matches

Index
buffer 18 boolean_to_jsval jsapi reference, obsolete, spidermonkey boolean_to_jsval converts a bool argument, b, to a boolean jsval. 19 double_to_jsval jsapi reference, obsolete, spidermonkey double_to_jsval is the inverse of js::tonumber. 20 int_fits_in_jsval jsapi reference, obsolete, spidermonkey determines if a specified c integer value, i, lies within the range allowed for integer jsvals. if so, int_fits_in_jsval returns true, and i can be cast to jsval by calling int_to_jsval(i). otherwise, int_fits_in_jsval returns false. in this case, the application can still convert i to a jsval using js_newnumbervalue. 21 int_to_jsval jsapi reference, obsolete, spidermonkey int_to_jsval converts a c integer, i, to a j...
...api reference, reference, référence(2), spidermonkey js::autoidarray takes the ownership of jsidarray, and frees it in destructor by calling js_destroyidarray. 24 js::autosaveexceptionstate jsapi reference, reference, référence(2), spidermonkey js::autosaveexceptionstate saves and later restores the current exception state of a given jscontext. 25 js::autovaluearray jsapi reference, reference, référence(2), spidermonkey js::autovaluearray<n> holds a rooted array of js::value. this is typically used for local variables being passed to function which requires js::handlevaluearray or a pointer to js::value array. 26 js::autovectorrooter jsapi reference, reference, référence(2), spidermonkey js::autovectorrooter<t> holds a...
... 28 js::call jsapi reference, reference, spidermonkey js::call calls a specified function, fun, on an object, thisobj. in terms of function execution, the object is treated as this. ...
...And 102 more matches

Bytecode Descriptions
bytecode listing this document is automatically generated from opcodes.h by make_opcode_doc.py. constants undefined stack: ⇒ undefined push undefined. null stack: ⇒ null push null. false, true stack: ⇒ true/false push a boolean constant. int32 operands: (int32_t val) stack: ⇒ val push the int32_t immediate operand as an int32value. jsop::zero, jsop::one, jsop::int8, jsop::uint16, and jsop::uint24 are all compact encodings for jsop::int32. zero stack: ⇒ 0 push the number 0. one stack: ⇒ 1 push the number 1. int8 operands: (int8_t val) stack: ⇒ val push the int8_t immediate operand as an int32value. uint16 operands: (uint16_t val) stack: ⇒ val push the uint16_t immediate operand as an int32value. uint24 operands: (uint24_t val) stack: ⇒ val push the ...
...if the operand is a nan, it must be the canonical nan (see js::detail::canonicalizenan). ...
...if the operand is a nan, it must be the canonical nan (see js::detail::canonicalizenan). bigint operands: (uint32_t bigintindex) stack: ⇒ bigint push the bigint constant script->getbigint(bigintindex). string operands: (uint32_t atomindex) stack: ⇒ string push the string constant script->getatom(atomindex). ...
...And 98 more matches

sslfnc.html
services. database files are opened read-only. syntax #include "nss.h" secstatus nss_init(char *configdir); parameter this function has the following parameter: configdir a pointer to a string containing the pathname of the directory where the certificate, key, and security module databases reside. returns the function returns one of these values: if successful, secsuccess. if unsuccessful, secfailure. use pr_geterror to retrieve the error code. description nss_init opens the certn.db, keyn.db, and secmod.db files (wheren is a numeric digit) in the specified directory. nss_init isnot idempotent, so call it only once. nss_init opens the database files read-only. if you are performing operations that require write permissio...
...d and write access to database files. syntax #include "nss.h" secstatus nss_initreadwrite(char *configdir); parameter this function has the following parameter: configdir a pointer to a string containing the pathname of the directory where the certificate, key, and security module databases reside. returns the function returns one of these values: if successful, secsuccess. if unsuccessful, secfailure. use pr_geterror to retrieve the error code. description nss_initreadwrite opens the certn.db, keyn.db, and secmod.db files (wheren is a numeric digit) with both read and write permission in the specified directory. nss_initreadwrite isnot idempotent, so call it only once. use nss_initreadwrite rather than nss_init if you are...
... configuration files. important: this nss function is not intended for use with ssl, which requires that the certificate and key database files be opened. syntax #include "nss.h" secstatus nss_nodb_init(char *reserved); parameter this function has the following parameter: reserved should be null.. returns the function returns one of these values: if successful, secsuccess. if unsuccessful, secfailure. use pr_geterror to retrieve the error code. description nss_nodb_init opens only the temporary database and the internal pkcs #112 module. unlike nss_init, nss_nodb_init allows applications that do not have access to storage for databases to run raw crypto, hashing, and certificate functions. nss_nodb_init isnot idempotent, ...
...And 91 more matches

<input>: The Input (Form Input) element - HTML: Hypertext Markup Language
and complex in all of html due to the sheer number of combinations of input types and attributes. the source for this interactive example is stored in a github repository. if you'd like to contribute to the interactive examples project, please clone https://github.com/mdn/interactive-examples and send us a pull request. ...
... <input type="checkbox" name="checkbox"/> color a control for specifying a color; opening a color picker when active in supporting browsers. ...
... <input type="checkbox" name="checkbox"/> color a control for specifying a color; opening a color picker when active in supporting browsers. ...
...And 90 more matches

Index - Archive of obsolete content
private bytes memory (high water mark) for a test. by default each test is run a single time. to run each test multiple times use the --iterations flag. when the number of iterations is greater than 2 all times are displayed in [], faster time is displayed in the output column, and the 95% confidence interval is calculated. the 95% confidence interval is the calculated percentage of the mean value to fall within 95% of the measured results. for example if the mean is 100 and the 95% confidence interval is 2%, 95% of the expected values should fall between 98 and 102. to compare two vms against each other export avm2=<path to 2nd vm> or use --avm2=<path to 2nd vm>. the percentage difference is calculated between the two vms. see the --help usage for more details about performance tests.
...are defined as part of the xpinstall object (formerly the softwareupdate object in netscape communicator 4.5). 733 winprofile object (windows only) windows developers use this object to manipulate the content of a windows .ini file. ...
...ll object (formerly the softwareupdate object in netscape communicator 4.5). 733 winprofile object (windows only) windows developers use this object to manipulate the content of a windows .ini file. 734 methods no summary! 735 winreg object (windows only) 736 methods the winregvalue constructor creates a winregvalue object. ...
...And 74 more matches

Index
ct new instances of xpcom components. 18 components.exception xpcom:language bindings, xpconnect components.exception is a javascript constructor to create nsixpcexception objects. these exception objects may be thrown when implementing xpcom interfaces in javascript, and they can provide better diagnostics in the error console if not caught than simply throwing an nsresult's value will. 19 components.id xpcom:language bindings, xpconnect components.id is a constructor that creates native objects that conform to the nsijsid interface. 20 components.classes xpcom:language bindings, xpconnect components.classes is a read-only object whose properties are classes indexed by contractid. 21 components.classesbyid xpcom:lang...
...aces is a read-only object whose properties are interfaces indexed by their names. 23 components.interfacesbyid xpcom:language bindings, xpconnect components.interfacesbyid is a read-only array of classes indexed by iid. 24 components.issuccesscode xpcom, xpcom:language bindings, xpconnect determines whether a given xpcom return code (that is, an nsresult value) indicates the success or failure of an operation, returning true or false respectively. 25 components.lastresult xpcom:language bindings, xpconnect no summary! 26 components.manager xpcom:language bindings, xpconnect components.manager is a convenience reflection of the global native component manager service. the scriptable methods on the nsicomponentma...
... global native component manager service. the scriptable methods on the nsicomponentmanager interface can be called directly on this object. 27 components.results xpcom:language bindings, xpconnect components.results is a read-only object whose properties are the names listed as the first parameters of the macros in js/xpconnect/src/xpc.msg (also at table of errors), with the value of each corresponding to that constant's value. 28 components.returncode xpcom:language bindings, xpconnect no summary! 29 components.stack xpcom:language bindings, xpconnect components.stack is a read only property of type nsistackframe (idl definition) that represents a snapshot of the current javascript callstack. this can be used for various diagnosti...
...And 71 more matches

Linear-gradient Generator - CSS: Cascading Style Sheets
div id="container"> <div id="gradient-container" data-alpha="true"> </div> <div id="controls"> <div class="section"> <div class="title"> active point </div> <div class="property"> <div class="ui-input-slider" data-topic="point-position" data-info="position" data-unit="px" data-min="-1000" data-value="0" data-max="1000" data-sensivity="5"></div> <div id="delete-point" class="button"> delete point </div> </div> <div class="ui-color-picker" data-topic="picker"></div> </div> <div class="section"> <div class="title"> active axis </div> <div class="property"> <div class=...
...v> <div class="ui-color-picker" data-topic="picker"></div> </div> <div class="section"> <div class="title"> active axis </div> <div class="property"> <div class="name"> axis unit </div> <div class="ui-dropdown" data-topic="axis-unit" data-selected="1"> <div data-value='px'> pixels (px) </div> <div data-value='%'> percentage (%) </div> </div> <div id="delete-axis" class="button"> delete line </div> </div> <div class="property"> <div class="ui-slider" data-topic="axis-rotation" data-info="rotation" data-min="-180" data-value...
...lass="button"> add line </div> </div> <div id="order"> <div id="gradient-axes"></div> <div id="gradient-order"></div> </div> </div> </div> <div id="output"> <div class="css-property"> <span class="property">background:</span> <span class="value"></span> </div> </div> </div> css content /* * color picker tool */ .ui-color-picker { width: 420px; margin: 0; border: 1px solid #ddd; background-color: #fff; display: table; -moz-user-select: none; -webkit-user-select: none; -ms-user-select: none; user-select: none; } .ui-color-picker .picking-area { width: 198px; height: 198px; margin: 5px; border: 1...
...And 71 more matches

Making decisions in your code — conditionals - Learn web development
itional statement you'll use in javascript — the humble if...else statement. basic if ... else syntax basic if...else syntax looks like the following in pseudocode: if (condition) { code to run if condition is true } else { run some other code instead } here we've got: the keyword if followed by some parentheses. a condition to test, placed inside the parentheses (typically "is this value bigger than this other value?", or "does this value exist?"). the condition makes use of the comparison operators we discussed in the last module and returns true or false. a set of curly braces, inside which we have some code — this can be any code we like, and it only runs if the condition returns true. the keyword else. another set of curly braces, inside which we have some more code — ...
...than two? there is a way to chain on extra choices/outcomes to your if...else — using else if. each extra choice requires an additional block to put in between if() { ... } and else { ... ...
...oices/outcomes to your if...else — using else if. each extra choice requires an additional block to put in between if() { ... } and else { ... ...
...And 55 more matches

WebGL constants - Web APIs
as more information, examples, and resources on how to get started with webgl. table of contents standard webgl 1 constants standard webgl 2 constants webgl extension constants standard webgl 1 constants these constants are defined on the webglrenderingcontext interface. clearing buffers constants passed to webglrenderingcontext.clear() to clear buffer masks. constant name value description depth_buffer_bit 0x00000100 passed to clear to clear the current depth buffer. stencil_buffer_bit 0x00000400 passed to clear to clear the current stencil buffer. color_buffer_bit 0x00004000 passed to clear to clear the current color buffer. rendering primitives constants passed to webglrenderingcontext.drawelements() or webgl...
...pth buffer. stencil_buffer_bit 0x00000400 passed to clear to clear the current stencil buffer. color_buffer_bit 0x00004000 passed to clear to clear the current color buffer. rendering primitives constants passed to webglrenderingcontext.drawelements() or webglrenderingcontext.drawarrays() to specify what kind of primitive to render. constant name value description points 0x0000 passed to drawelements or drawarrays to draw single points. lines 0x0001 passed to drawelements or drawarrays to draw lines. each vertex connects to the one after it. line_loop 0x0002 passed to drawelements or drawarrays to draw lines. each set of two vertices is treated as a separate line segment. line_strip ...
... triangle_fan 0x0006 passed to drawelements or drawarrays to draw a connected group of triangles. each vertex connects to the previous and the first vertex in the fan. blending modes constants passed to webglrenderingcontext.blendfunc() or webglrenderingcontext.blendfuncseparate() to specify the blending mode (for both, rbg and alpha, or separately). constant name value description zero 0 passed to blendfunc or blendfuncseparate to turn off a component. one 1 passed to blendfunc or blendfuncseparate to turn on a component. src_color 0x0300 passed to blendfunc or blendfuncseparate to multiply a component by the source elements color. one_minus_src_color 0x0301 passed to blendfunc or blendfuncsepar...
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Border-image generator - CSS: Cascading Style Sheets
this tool can be used to generate css3 border-image values. border image generator html content <div id="container"> <div id="gallery"> <div id="image-gallery"> <img class="image" src="https://udn.realityripple.com/samples/2c/fa0192d18e.png" data-stateid="border1"/> <img class="image" src="https://udn.realityripple.com/samples/b8/dacdd63e77.png" data-stateid="border2"/> <img class="image" src="https://udn.realityripple.com/samples/07/1fcc357205.png" data-stateid="border3"/> <img class="image" src="https://udn.realityripple.com/samples/7b/dd37c1d691.png" data-stateid="border4"/> <img class="image" src="https://udn.realityripple.com/samples/a9/b9fff72dab.png" data-stateid="border5"...
...iv> <!-- other-settings --> <div id="aditional-properties" class="category"> <div class="title"> aditional-properties </div> <div class="property"> <div class="name"> repeat-x </div> <div class="ui-dropdown border-repeat" data-topic="image-repeat-x" data-selected="2"> <div data-value="0">repeat</div> <div data-value="0">stretch</div> <div data-value="0">round</div> </div> </div> <div class="property"> <div class="name"> repeat-y </div> <div class="ui-dropdown border-repeat" data-topic="image-repeat-y" data-selected="2"> ...
...> <div data-value="0">stretch</div> <div data-value="0">round</div> </div> </div> <div class="property"> <div class="name"> repeat-y </div> <div class="ui-dropdown border-repeat" data-topic="image-repeat-y" data-selected="2"> <div data-value="1">repeat</div> <div data-value="1">stretch</div> <div data-value="1">round</div> </div> </div> <div class="property"> <div class="ui-input-slider" data-topic="font-size" data-info="em size" data-unit="px" data-value="12" data-sensivity="3"> ...
...And 55 more matches

Box-shadow generator - CSS: Cascading Style Sheets
" class="hue"> <div id="hue_selector"> </div> </div> <div class="info"> <div class="input" data-topic="hue" data-title='h:' data-action="hsv"></div> <div class="input" data-topic="saturation" data-title='s:' data-action="hsv"></div> <div class="input" data-topic="value" data-title='v:' data-action="hsv"></div> </div> <div class="alpha"> <div id="alpha" data-topic="alpha"> <div id="alpha_selector"> </div> </div> </div> <div class="info"> <div class="input" data-topic="r" data-title='r:...
...t="px"></div> </div> <div class="slidergroup"> <div class="ui-slider-name"> spread </div> <div class="ui-slider-btn-set" data-topic="spread" data-type="sub"></div> <div class="ui-slider" data-topic="spread" data-min="-100" data-max="100" data-step="1" data-value="50"> </div> <div class="ui-slider-btn-set" data-topic="spread" data-type="add"></div> <div class="ui-slider-input" data-topic="spread" data-unit="px"></div> </div> </div> </div> <div id="element_properties" class="category"> <div class="title"> clas...
... </div> <div id="transform_rotate" class="slidergroup"> <div class="ui-slider-name"> rotate </div> <div class="ui-slider-btn-set" data-topic="rotate" data-type="sub"></div> <div class="ui-slider" data-topic="rotate" data-min="-360" data-max="360" data-step="1" data-value="0"> </div> <div class="ui-slider-btn-set" data-topic="rotate" data-type="add"></div> <div class="ui-slider-input" data-topic="rotate" data-unit="deg"></div> </div> <div class="slidergroup"> <div class="ui-slider-name"> width </div> <div c...
...And 55 more matches

Color picker tool - CSS: Cascading Style Sheets
d #ddd; background-color: #fff; display: table; -moz-user-select: none; -webkit-user-select: none; -ms-user-select: none; user-select: none; } .ui-color-picker .picking-area { width: 198px; height: 198px; margin: 5px; border: 1px solid #ddd; position: relative; float: left; display: table; } .ui-color-picker .picking-area:hover { cursor: default; } /* hsv format - hue-saturation-value(brightness) */ .ui-color-picker .picking-area { background: url('https://mdn.mozillademos.org/files/5707/picker_mask_200.png') center center; background: -moz-linear-gradient(bottom, #000 0%, rgba(0, 0, 0, 0) 100%), -moz-linear-gradient(left, #fff 0%, rgba(255, 255, 255, 0) 100%); background: -webkit-linear-gradient(bottom, #000 0%, rgba(0, 0, 0, 0) 100%), -webkit-linear-gradient(left...
...-size: 14px; line-height: 18px; float: left; } .ui-color-picker .input input { width: 30px; height: 18px; margin: 0; padding: 0; border: 1px solid #ddd; text-align: center; float: right; -moz-user-select: text; -webkit-user-select: text; -ms-user-select: text; } .ui-color-picker .input[data-topic="lightness"] { display: none; } .ui-color-picker[data-mode='hsl'] .input[data-topic="value"] { display: none; } .ui-color-picker[data-mode='hsl'] .input[data-topic="lightness"] { display: block; } .ui-color-picker .input[data-topic="alpha"] { margin-top: 10px; width: 93px; } .ui-color-picker .input[data-topic="alpha"] > .name { width: 60px; } .ui-color-picker .input[data-topic="alpha"] > input { float: right; } .ui-color-picker .input[data-topic="hexa"] { width: auto; floa...
... background-position: center left 30%; } #color-info .copy-container { position: absolute; top: -100%; } #color-info .property { min-width: 280px; height: 30px; margin: 10px 0; text-align: center; line-height: 30px; } #color-info .property > * { float: left; } #color-info .property .type { width: 60px; height: 100%; padding: 0 16px 0 0; text-align: right; } #color-info .property .value { width: 200px; height: 100%; padding: 0 10px; font-family: "segoe ui", arial, helvetica, sans-serif; font-size: 16px; color: #777; text-align: center; background-color: #fff; border: none; } #color-info .property .value:hover { color: #37994a; } #color-info .property .value:hover + .copy { background-position: center right; } #color-info .property .copy { width: 24px; height: 100...
...And 51 more matches

nsIDOMWindowUtils
owutils = window.windowutils; method overview void activatenativemenuitemat(in astring indexstring); void clearmozafterpaintevents(); pruint32 comparecanvases(in nsidomhtmlcanvaselement acanvas1, in nsidomhtmlcanvaselement acanvas2, out unsigned long amaxdifference); double computeanimationdistance(in nsidomelement element, in astring property, in astring value1, in astring value2); nsicompositionstringsynthesizer createcompositionstringsynthesizer(); obsolete since gecko 38.0 void disablenontestmouseevents(in boolean adisable); boolean dispatchdomeventviapresshell(in nsidomnode atarget, in nsidomevent aevent, in boolean atrusted); nsidomelement elementfrompoint(in float ax, in float ay, in boolean aignorerootscro...
...an inline element contains blocks). this number also counts restyling of pseudo-elements and anonymous boxes. throws ns_error_not_available if the count can't be provided. focusedinputtype string the type of the currently-focused html <input> element, if one is focused. imageanimationmode unsigned short returns the image animation mode of the window. the attribute's value must be one of the animationmode values from imgicontainer. imeisopen boolean returns the ime open state. true if it's open, otherwise false. this attribute only works when imestatus is ime_status_enabled. read only. imestatus unsigned long returns the current ime status. values correspond to the ime_status_* constants defined below. read only. ismozafterp...
...of screen pixels per css pixel. read only. audiomuted boolean with this it's possible to mute all the mediaelements in this window. we have audiomuted and audiovolume to preserve the volume across mute/umute. audiovolume float range: greater or equal to 0. the real volume level is affected by the volume of all ancestor windows. constants constant value description modifier_alt 0x0001 getmodifierstate("alt") of the send event will return true if this is specified for amodifiers of send*event() except sendnative*event(). modifier_control 0x0002 getmodifierstate("control") of the send event will return true if this is specified for amodifiers of send*event() except sendnative*event(). modifier_shift 0...
...And 44 more matches

Using the CSS Typed Object Model - Web APIs
the css typed object model api exposes css values as typed javascript objects to allow their performant manipulation. converting css object model value strings into meaningfully-typed javascript representations and back (via htmlelement.style) can incur a significant performance overhead. the css typed om makes css manipulation more logical and performant by providing object features (rather than cssom string manipulation), providing access to types, methods, and an object model for css values. this article provides an introduction to all of its main features. computedstylemap() with the css typed om api, we can access all the css properties and values — including custom properties — that are impacting an element. let's see how this works by creating our first example, which e...
...f its main features. computedstylemap() with the css typed om api, we can access all the css properties and values — including custom properties — that are impacting an element. let's see how this works by creating our first example, which explores computedstylemap(). we start with some html: a paragraph with a link, as well as a definition list to which we will add all the css property / value pairs. <p> <a href="https://example.com">link</a> </p> <dl id="regurgitation"></dl> we add javascript to grab our unstyled link and return back a definition list of all the default css property values impacting the link using computedstylemap(). // get the element const myelement = document.queryselector('a'); // get the <dl> we'll be populating const styleslist = document.queryselector('#...
...t css property values impacting the link using computedstylemap(). ...
...And 44 more matches

<input type="range"> - HTML: Hypertext Markup Language
<input> elements of type range let the user specify a numeric value which must be no less than a given value, and no more than another given value. the precise value, however, is not considered important. this is typically represented using a slider or dial control rather than a text entry box like the number input type. because this kind of widget is imprecise, it shouldn't typically be used unless the control's exact value isn't important. the source for this interactive example is stored in a github repository. if you'd like to contribute to the interactive examples project, please clone https://github.com/mdn/interactive-examples and send us a pull request. ...
...cally be used unless the control's exact value isn't important. the source for this interactive example is stored in a github repository. if you'd like to contribute to the interactive examples project, please clone https://github.com/mdn/interactive-examples and send us a pull request. if the user's browser doesn't support type range, it will fall back and treat it as a text input. value a domstring containing the string representation of the selected numeric value; use valueasnumber to get the value as a number. ...
...uest. if the user's browser doesn't support type range, it will fall back and treat it as a text input. value a domstring containing the string representation of the selected numeric value; use valueasnumber to get the value as a number. events change and input supported common attributes autocomplete, list, max, min, and step idl attributes list, value, and valueasnumber methods stepdown() and stepup() validation there is no pattern validation available; however, the following forms of automatic validation are performed: if the value is set to something which can't be converted into a valid floating-point number, validation fails because the input is suffering from a bad input. the value won't be less than min. the defau...
...And 44 more matches

Array.prototype.reduce() - JavaScript
the reduce() method executes a reducer function (that you provide) on each element of the array, resulting in single output value. the source for this interactive example is stored in a github repository. if you'd like to contribute to the interactive examples project, please clone https://github.com/mdn/interactive-examples and send us a pull request. ...
...educer function (that you provide) on each element of the array, resulting in single output value. the source for this interactive example is stored in a github repository. if you'd like to contribute to the interactive examples project, please clone https://github.com/mdn/interactive-examples and send us a pull request. the reducer function takes four arguments: accumulator (acc) current value (cur) current index (idx) source array (src) your reducer function's returned value is assigned to the accumulator, whose value is remembered across each iteration throughout the array, and ultimately becomes the final, single resulting value. ...
...nd us a pull request. the reducer function takes four arguments: accumulator (acc) current value (cur) current index (idx) source array (src) your reducer function's returned value is assigned to the accumulator, whose value is remembered across each iteration throughout the array, and ultimately becomes the final, single resulting value. syntax arr.reduce(callback( accumulator, currentvalue, [, index[, array]] )[, initialvalue]) parameters callback a function to execute on each element in the array (except for the first, if no initialvalue is supplied). it takes four arguments: accumulator the accumulator accumulates callback's return values. ...
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<input type="number"> - HTML: Hypertext Markup Language
<input> elements of type number are used to let the user enter a number. they include built-in validation to reject non-numerical entries. the browser may opt to provide stepper arrows to let the user increase and decrease the value using their mouse or by simply tapping with a fingertip. the source for this interactive example is stored in a github repository. if you'd like to contribute to the interactive examples project, please clone https://github.com/mdn/interactive-examples and send us a pull request. on browsers that don't support inputs of type number, a number input falls back to type text. value any floating-point number, or empty. events change and input supported common attributes autocomplete, list, placeholder, readonly idl attri...
...les project, please clone https://github.com/mdn/interactive-examples and send us a pull request. on browsers that don't support inputs of type number, a number input falls back to type text. value any floating-point number, or empty. events change and input supported common attributes autocomplete, list, placeholder, readonly idl attributes list, value, valueasnumber methods select(), stepup(), stepdown() value any floating-point number, or empty. ...
...number, a number input falls back to type text. value any floating-point number, or empty. events change and input supported common attributes autocomplete, list, placeholder, readonly idl attributes list, value, valueasnumber methods select(), stepup(), stepdown() value any floating-point number, or empty. ...
...And 43 more matches

Chapter 3: Introduction to XUL—How to build a more intuitive UI - Archive of obsolete content
that we had set up ourselves. the xul box model in principle, xul lays out all ui components using combinations of two kinds of boxes: horizontal and vertical. as shown in listing 3, elements can be laid out horizontally using the hbox (horizontal box) element or vertically using the vbox (vertical box) element. when this file is opened in firefox, it is displayed as shown in figure 1. ...
... of two kinds of boxes: horizontal and vertical. as shown in listing 3, elements can be laid out horizontally using the hbox (horizontal box) element or vertically using the vbox (vertical box) element. when this file is opened in firefox, it is displayed as shown in figure 1. ...
...y using the hbox (horizontal box) element or vertically using the vbox (vertical box) element. when this file is opened in firefox, it is displayed as shown in figure 1. ...
...And 41 more matches

source-editor.jsm
editorelement element the element containing the editor. when using the default orion editor, this is...
...ent void addbreakpoint(number alineindex, [optional] string acondition); array getbreakpoints(); boolean removebreakpoint(number alineindex); properties attribute type description dirty boolean set this value to false whenever you save the text; the editor will update it to true when the content is changed. you can then use this value to detect when the contents of the text are different from your most recent save. in addition, when this value changes, the "dirtychanged" event is sent. editorelement element the element containing the editor. when using the default orion editor, this is a xul <xul:iframe> element. read only. lastfind object an object describing the result of the last find ope...
... an object describing the result of the last find operation performed using the find(), findnext(), or findprevious() method. read only. this object has the following properties: property type description str string the last string that was searched for. index number an integer value indicating the result of the most recent find operation; this is the index into the text at which str was found, or -1 if the string wasn't found. lastfound number the index of the previous location at which str was found, for multiple find operations (such as find() followed by findnext()). this can be -1 if the string was never found. igno...
...And 41 more matches

Mozilla internal string guide
from either nsastring or nsstring. thus, every string class is compatible with nsastring. since every string derives from nsastring (or nsacstring), they all share a simple api. common read-only methods: .length() - the number of code units (bytes for 8-bit string classes and char16_ts for 16-bit string classes) in the string. .isempty() - the fastest way of determining if the string has any value. use this instead of testing string.length == 0 .equals(string) - true if the given string has the same value as the current string. common methods that modify the string: .assign(string) - assigns a new value to the string. .append(string) - appends a value to the string. .insert(string, position) - inserts the given string before the code unit at position. .truncate(length) - shortens ...
...es four arguments: the new capacity (which may be rounded up), the number of code units at the beginning of the string to preserve (typically the old logical length), a boolean indicating whether reallocating a smaller buffer is ok if the requested capacity would fit in a buffer that's smaller than current one, and a reference to an nsresult for indicating failure on oom. (don't access the return value if the nsresult indicates failure. unfortunately mozilla::result is not versatile enough to be used here.) bulkwrite() returns a mozilla::bulkwritehandle<t>, where t is either char or char16_t. the actual writes are performed through this handle. you must not access the string except via the handle until you call finish() on the handle in the success case or you let the handle go out of scope wi...
... nsastring::const_iterator start, nsastring::const_iterator end, nsstringcomparator& acomparator = nsdefaultstringcomparator()); to use this, start and end should point to the beginning and end of a string that you would like to search. if the search string is found, start and end will be adjusted to point to the beginning and end of the found pattern. ...
...And 41 more matches

nsIAnnotationService
". to use this service, use: var annotationservice = components.classes["@mozilla.org/browser/annotation-service;1"] .getservice(components.interfaces.nsiannotationservice); note: the annotation service is not thread-safe. you should only use it from the main thread. ...
...service(components.interfaces.nsiannotationservice); note: the annotation service is not thread-safe. you should only use it from the main thread. ...
...hread. ...
...And 40 more matches

Web audio spatialization basics - Web APIs
to the position of the listener. ...
... let's create our context and listener and set the listener's position to emulate a person looking into our room: const audiocontext = window.audiocontext || window.webkitaudiocontext; const audioctx = new audiocontext(); const listener = audioctx.listener; const posx = window.innerwidth/2; const posy = window.innerheight/2; const posz = 300; listener.positionx.value = posx; listener.positiony.value = posy; listener.positionz.value = posz-5; we could move the listener left or right using positionx, up or down using positiony, or in or out of the room using positionz. here we are setting the listener to be in the middle of the viewport and slightly in front of our boombox. we can also set the direction the listener is facing. the default values for these work well: listener.forwardx.value ...
...the direction they are facing in), while the up properties represent the 3d coordinate position of the top of the listener's head. these two together can nicely set the direction. ...
...And 40 more matches

Object.defineProperty() - JavaScript
ontribute to the interactive examples project, please clone https://github.com/mdn/interactive-examples and send us a pull request. syntax object.defineproperty(obj, prop, descriptor) parameters obj the object on which to define the property. prop the name or symbol of the property to be defined or modified. descriptor the descriptor for the property being defined or modified. return value the object that was passed to the function. description this method allows a precise addition to or modification of a property on an object. normal property addition through assignment creates properties which show up during property enumeration (for...in loop or object.keys method), whose values may be changed, and which may be deleted. this method allows these extra details to be changed fro...
...o the function. description this method allows a precise addition to or modification of a property on an object. normal property addition through assignment creates properties which show up during property enumeration (for...in loop or object.keys method), whose values may be changed, and which may be deleted. this method allows these extra details to be changed from their defaults. by default, values added using object.defineproperty() are immutable and not enumerable. property descriptors present in objects come in two main flavors: data descriptors and accessor descriptors. a data descriptor is a property that has a value, which may or may not be writable. an accessor descriptor is a property described by a getter-setter pair of functions. a descriptor must be one of these two flavors; it...
... defaults to false. ...
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x - SVG: Scalable Vector Graphics
{ height:100% } <svg viewbox="0 0 300 100" xmlns="http://www.w3.org/2000/svg"> <rect x="20" y="20" width="60" height="60" /> <rect x="120" y="20" width="60" height="60" /> <rect x="220" y="20" width="60" height="60" /> </svg> altglyph warning: as of svg2 <altglyph> is deprecated and shouldn't be used. for <altglyph>, x defines the x-axis coordinate of the alternate glyph. ...
..." xmlns="http://www.w3.org/2000/svg"> <rect x="20" y="20" width="60" height="60" /> <rect x="120" y="20" width="60" height="60" /> <rect x="220" y="20" width="60" height="60" /> </svg> altglyph warning: as of svg2 <altglyph> is deprecated and shouldn't be used. for <altglyph>, x defines the x-axis coordinate of the alternate glyph. ...
... width="60" height="60" /> </svg> altglyph warning: as of svg2 <altglyph> is deprecated and shouldn't be used. for <altglyph>, x defines the x-axis coordinate of the alternate glyph. value list of <length> default value none animatable yes feblend for <feblend>, x defines the minimum x coordinate for the rendering area of the primitive. value <length> | <percentage> default value 0% animatable yes fecolormatrix for <fecolormatrix>, x defines the minimum x coordinate for the rendering area of the primitive. ...
...And 39 more matches

MCD, Mission Control Desktop, AKA AutoConfig - Archive of obsolete content
ref ) for the record/history purpose ... the old netscape 4.x the file is encoded (byte-shift/rotary is 7), and the presence of the file (netscape.cfg) in the mozilla_home directory suffices for it to be read and executed. for mozilla 1.x.x, firefox, thunderbird or netscape 7 it is still a javascript file, the byte-shift is 13 by default, but can be removed using the pref("general.config.obscure_value", 0); preference in any appropriate .js file dedicated to autoconfig (here autoconf.js). the name of the file can be anything you want because it is named by a general.config preference that should be added at the end of file mozilla_home/default/pref/autoconf.js or mozilla_home/greprefs/autoconf.js: pref("general.config.filename", "mozilla.cfg");. file api that centralized preference file use...
...a_home/default/autoconfig/prefcalls.js. the presence of pref("general.config.filename", "mozilla.cfg"); in any appropriate .js file (here we use autoconf.js dedicated file) enables the read and execution of prefcalls.js. do not use the name all.js because it is reserved. ...
.... the presence of pref("general.config.filename", "mozilla.cfg"); in any appropriate .js file (here we use autoconf.js dedicated file) enables the read and execution of prefcalls.js. do not use the name all.js because it is reserved. ...
...And 38 more matches

Index - Archive of obsolete content
31 browserid xul, xul reference no summary! 32 button.type xul attributes, xul reference no summary! 33 buttonaccesskeyaccept xul attributes, xul reference no summary! 34 buttonaccesskeycancel xul attributes, xul refer...
...ustomindex xul attributes, xul reference no summary! 82 customizable xul attributes, xul reference no summary! 83 cycler xul attributes, xul reference no summary! 84 datasources xul attributes, xul reference no summary! 85 datepicker.type xul attributes, xul reference no summary! 86 datepicker.value xul attributes, xul reference no summary! 87 decimalplaces xul attributes, xul reference no summary! 88 default xul attributes, xul reference no summary! 89 defaultbutton xul attributes, xul reference no summary! 90 defaultset xul attributes, xul reference no summary! 91 description xul at...
... summary! 166 isempty xul attributes, xul reference no summary! 167 key xul attributes, xul reference no summary! 168 keycode xul attributes, xul reference no summary! 169 keytext xul attributes, xul reference no summary! 170 label xul attributes, xul reference no summary! 171 label.value xul attributes, xul reference no summary! 172 last-tab xul attributes, xul reference no summary! 173 lastselected xul attributes, xul reference no summary! 174 lastpage xul attributes, xul reference no summary! 175 left xul attributes, xul reference no summary! 176 lightweightthemes lightw...
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nsIMsgIncomingServer
nsimsgincomingserver mailnews/base/public/nsimsgincomingserver.idlscriptable ??? add brief description of interface ??? ...
...n nsimsgfilterlist filterlist); void configuretemporaryreturnreceiptsfilter(in nsimsgfilterlist filterlist); obsolete since gecko 1.8 void displayofflinemsg(in nsimsgwindow awindow); boolean equals(in nsimsgincomingserver server); void forgetpassword(); void forgetsessionpassword(); astring generateprettynameformigration(); boolean getboolattribute(in string name); boolean getboolvalue(in string attr); acstring getcharattribute(in string name); acstring getcharvalue(in string attr); nsilocalfile getfilevalue(in string relpref, in string abspref); nsimsgfilterlist getfilterlist(in nsimsgwindow amsgwindow); long getintattribute(in string name); long getintvalue(in string attr); nsimsgfolder getmsgfolderfromuri(in nsimsgfolder afolderresource, in acstring auri); vo...
...w); long getintattribute(in string name); long getintvalue(in string attr); nsimsgfolder getmsgfolderfromuri(in nsimsgfolder afolderresource, in acstring auri); void getnewmessages(in nsimsgfolder afolder, in nsimsgwindow amsgwindow, in nsiurllistener aurllistener); acstring getpasswordwithui(in astring apromptstring, in astring aprompttitle, in nsimsgwindow amsgwindow, out boolean okayvalue); astring getunicharattribute(in string name); astring getunicharvalue(in string attr); boolean isnewhdrduplicate(in nsimsgdbhdr anewhdr); void onuserorhostnamechanged(in acstring oldname, in acstring newname); void performbiff(in nsimsgwindow amsgwindow); void performexpand(in nsimsgwindow amsgwindow); void removefiles(); void setboolattribute(in string name, in boolean value); ...
...And 38 more matches

y - SVG: Scalable Vector Graphics
{ height:100% } <svg viewbox="0 0 100 300" xmlns="http://www.w3.org/2000/svg"> <rect y="20" x="20" width="60" height="60" /> <rect y="120" x="20" width="60" height="60" /> <rect y="220" x="20" width="60" height="60" /> </svg> altglyph warning: as of svg2 <altglyph> is deprecated and shouldn't be used. for <altglyph>, y defines the y-axis coordinate of the alternate glyph. ...
..." xmlns="http://www.w3.org/2000/svg"> <rect y="20" x="20" width="60" height="60" /> <rect y="120" x="20" width="60" height="60" /> <rect y="220" x="20" width="60" height="60" /> </svg> altglyph warning: as of svg2 <altglyph> is deprecated and shouldn't be used. for <altglyph>, y defines the y-axis coordinate of the alternate glyph. ...
... width="60" height="60" /> </svg> altglyph warning: as of svg2 <altglyph> is deprecated and shouldn't be used. for <altglyph>, y defines the y-axis coordinate of the alternate glyph. value list of <length> default value none animatable yes feblend for <feblend>, y defines the minimum y coordinate for the rendering area of the primitive. value <length> | <percentage> default value 0% animatable yes fecolormatrix for <fecolormatrix>, y defines the minimum y coordinate for the rendering area of the primitive. ...
...And 38 more matches

HTML text fundamentals - Learn web development
div> <h2>editable code</h2> <p class="a11y-label">press esc to move focus away from the code area (tab inserts a tab character).</p> <textarea id="code" class="input" style="min-height: 100px; width: 95%">my short story i am a statistician and my name is trish. ...
...ress esc to move focus away from the code area (tab inserts a tab character).</p> <textarea id="code" class="input" style="min-height: 100px; width: 95%">my short story i am a statistician and my name is trish. ...
...-family: sans-serif; } h2 { font-size: 16px; } .a11y-label { margin: 0; text-align: right; font-size: 0.7rem; width: 98%; } body { margin: 10px; background: #f5f9fa; } var textarea = document.getelementbyid('code'); var reset = document.getelementbyid('reset'); var solution = document.getelementbyid('solution'); var output = document.queryselector('.output'); var code = textarea.value; var userentry = textarea.value; function updatecode() { output.innerhtml = textarea.value; } reset.addeventlistener('click', function() { textarea.value = code; userentry = textarea.value; solutionentry = htmlsolution; solution.value = 'show solution'; updatecode(); }); solution.addeventlistener('click', function() { if(solution.value === 'show solution') { textarea.value = ...
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<input type="datetime-local"> - HTML: Hypertext Markup Language
time-local, and the variations in how the inputs work, it may currently still be best to use a framework or library to present these, or to use a custom input of your own. another option is to use separate date and time inputs, each of which is more widely supported than datetime-local. some browsers may resort to a text-only input element that validates that the results are legitimate date/time values before letting them be delivered to the server, as well, but you shouldn't rely on this behavior since you can't easily predict it. for those of you not using a supporting browser, the chrome/opera datetime-local control looks like the below screenshot. clicking the down arrow on the right hand side brings up a date picker to allow you to choose a date; you have to enter the time manually. t...
...r since you can't easily predict it. for those of you not using a supporting browser, the chrome/opera datetime-local control looks like the below screenshot. clicking the down arrow on the right hand side brings up a date picker to allow you to choose a date; you have to enter the time manually. the edge datetime-local control looks like the below; clicking the date and the time parts of the value bring up two separate pickers for you, so you can easily set both the date and the time. this is somewhat like having date and time widgets both created for you and merged into one. value a domstring representing a date and time (in the local time zone), or empty. events change and input supported common attributes autocomplete, list, readonly, and step ...
...for you, so you can easily set both the date and the time. this is somewhat like having date and time widgets both created for you and merged into one. value a domstring representing a date and time (in the local time zone), or empty. events change and input supported common attributes autocomplete, list, readonly, and step idl attributes list, value, valueasnumber. methods select(), stepdown(), stepup() value a domstring representing the value of the date entered into the input. ...
...And 37 more matches

Cross-browser Flexbox mixins - CSS: Cascading Style Sheets
s-tricks visual guide to css3 flexbox: flexbox playground | note: mixins are not currently supported natively in browsers. instead, you will need to use a css pre-processor to make the most of the following. however, css pre-processors simply generate valid css, so the techniques used below can be written in pure css instead, if preferred. ...
...rrently supported natively in browsers. instead, you will need to use a css pre-processor to make the most of the following. however, css pre-processors simply generate valid css, so the techniques used below can be written in pure css instead, if preferred. flexbox containers using the display property's flex value causes an element to generate a block-level flex container box. the inline-flex value causes an element to generate an inline-level flex container box. ...
... pre-processor to make the most of the following. however, css pre-processors simply generate valid css, so the techniques used below can be written in pure css instead, if preferred. flexbox containers using the display property's flex value causes an element to generate a block-level flex container box. the inline-flex value causes an element to generate an inline-level flex container box. ...
...And 36 more matches

Textbox (XPFE autocomplete) - Archive of obsolete content
attributes | properties | methods | related ] this element is created by setting the type attribute of a textbox to autocomplete. it is used to create a textbox with a popup containing a list of possible completions for what the user has started to type. the autocomplete functionality is handled through one of more session objects, each of which can return a set of results given the current value of the textbox. the sessions can be set using the searchsessions attribute or by calling the addsession method. attributes accesskey, alwaysopenpopup, autocompletesearch, autocompletesearchparam, autofill, autofillaftermatch, autofill, completedefaultindex, crop, disableautocomplete, disableautocomplete, disabled, disablehistory, enablehistory, focused, forcecomplete, forcecomplete...
...hilesearching, ignoreblurwhilesearching, inputtooltiptext, label, maxlength, maxrows, minresultsforpopup, minresultsforpopup, nomatch, onchange, onerrorcommand, oninput, onsearchcomplete, ontextcommand, ontextentered, ontextrevert, ontextreverted, open, readonly, searchsessions, showcommentcolumn, showcommentcolumn, showpopup, size, tabindex, tabscrolling, tabscrolling, timeout, type, useraction, value properties accessible, alwaysopenpopup, autofill, autofillaftermatch, completedefaultindex, crop, disableautocomplete, disabled, editable, focused, forcecomplete, highlightnonmatches, ignoreblurwhilesearching, inputfield, issearching, iswaiting, label, maxlength, maxrows, minresultsforpopup, nomatch, open, popup, popupopen, resultspopup, searchcount, searchparam, searchsessions, s...
...bleautocomplete, disabled, editable, focused, forcecomplete, highlightnonmatches, ignoreblurwhilesearching, inputfield, issearching, iswaiting, label, maxlength, maxrows, minresultsforpopup, nomatch, open, popup, popupopen, resultspopup, searchcount, searchparam, searchsessions, selectionend, selectionstart, sessioncount, showcommentcolumn, showpopup, size, tabindex, tabscrolling, textlength, textvalue, timeout, type, useraction, value methods addsession, clearresults, getdefaultsession, getresultat, getresultcount, getresultvalueat, getsession, getsessionbyname, getsessionresultat, getsessionstatusat, getsessionvalueat, removesession, select, setselectionrange, syncsessions examples (example needed) attributes accesskey type: character this should be set to a charact...
...And 34 more matches

A re-introduction to JavaScript (JS tutorial) - JavaScript
object-oriented programming with object prototypes, instead of classes (see more about prototypical inheritance and es2015 classes). javascript also supports functional programming — because they are objects, functions may be stored in variables and passed around like any other object. let's start off by looking at the building blocks of any language: the types. javascript programs manipulate values, and those values all belong to a type. javascript's types are: number string boolean function object symbol (new in es2015) ... oh, and undefined and null, which are ... slightly odd. and array, which is a special kind of object. and date and regexp, which are objects that you get for free. and to be technically accurate, functions are just a special type of object. so the type diagra...
... diagram looks more like this: number string boolean symbol (new in es2015) object function array date regexp null undefined and there are some built-in error types as well. things are a lot easier if we stick with the first diagram, however, so we'll discuss the types listed there for now. ...
...this can be important for bit-wise operations. the standard arithmetic operators are supported, including addition, subtraction, modulus (or remainder) arithmetic, and so forth. ...
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Details of the object model - JavaScript
this chapter attempts to clarify the situation. this chapter assumes that you are already somewhat familiar with javascript and that you have used javascript functions to create simple objects. class-based vs. ...
...run time. in addition, any object can be associated as the prototype for another object, allowing the second object to share the first object's properties. defining a class in class-based languages, you define a class in a separate class definition. in that definition you can specify special methods, called constructors, to create instances of the class. a constructor method can specify initial values for the instance's properties and perform other processing appropriate at creation time. you use the new operator in association with the constructor method to create class instances. javascript follows a similar model, but does not have a class definition separate from the constructor. instead, you define a constructor function to create objects with a particular initial set of properties and ...
...s for the instance's properties and perform other processing appropriate at creation time. you use the new operator in association with the constructor method to create class instances. javascript follows a similar model, but does not have a class definition separate from the constructor. instead, you define a constructor function to create objects with a particular initial set of properties and values. any javascript function can be used as a constructor. you use the new operator with a constructor function to create a new object. note that ecmascript 2015 introduces a class declaration: javascript classes, introduced in ecmascript 2015, are primarily syntactical sugar over javascript's existing prototype-based inheritance. the class syntax does not introduce a new object-oriented inherit...
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Index
* set "this update" or "next update" crl fields: update=yyyymmddhhmmssz nextupdate=yyyymmddhhmmssz field "next update" is optional. time should be in generalizedtime format (yyyymmddhhmmssz). ...
...string value of a name of known extensions. critical/non-critical: is 1 when extension is critical and 0 otherwise. arg1, arg2: specific to extension type extension parameters addext uses the range that was set earlier by addcert and will install an extension to every cert entries within the range. * add certificate entries(s) to crl: addcert range date range: two integer values separated by dash: range of certificates that will be added by this command. dash is used as a delimiter. only one cert will be added if there is no delimiter. date: revocation date of a cert. date should be represented in generalizedtime format (yyyymmddhhmmssz). ...
...e range: two integer values separated by dash: range of certificates that will be added by this command. dash is used as a delimiter. only one cert will be added if there is no delimiter. date: revocation date of a cert. date should be represented in generalizedtime format (yyyymmddhhmmssz). * remove certificate entry(s) from crl rmcert range where: range: two integer values separated by dash: range of certificates that will be added by this command. dash is used as a delimiter. only one cert will be added if there is no delimiter. * change range of certificate entry(s) in crl range new-range where: new-range: two integer values separated by dash: range of certificates that will be added by this command. dash is used as a delimiter. only one...
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<input type="time"> - HTML: Hypertext Markup Language
e https://github.com/mdn/interactive-examples and send us a pull request. appearance chrome and opera in chrome/opera the time control is simple, with slots to enter hours and minutes in 12 or 24-hour format depending on operating system locale, and up and down arrows to increment and decrement the currently selected component. in some versions, an "x" button is provided to clear the control's value. 12-hour 24-hour chrome 83 in chrome 83, the ui controls have been updated with a new look and feel. the new element is functionally identical to the old one, but has a similar ui to edge. 24-hour firefox firefox's time control is very similar to chrome's, except that it doesn't have the up and down arrows. it also uses a 12- or 24-hour format for inputting times, based on system local...
...ui controls have been updated with a new look and feel. the new element is functionally identical to the old one, but has a similar ui to edge. 24-hour firefox firefox's time control is very similar to chrome's, except that it doesn't have the up and down arrows. it also uses a 12- or 24-hour format for inputting times, based on system locale. an "x" button is provided to clear the control's value. 12-hour 24-hour edge the edge time control is somewhat more elaborate, opening up an hour and minute picker with sliding reels. it, like chrome, uses a 12- or 24-hour format for inputting times, based on system locale: 12-hour 24-hour value a domstring representing a time, or empty. events change and input supported common attributes autocomplete, l...
...is somewhat more elaborate, opening up an hour and minute picker with sliding reels. it, like chrome, uses a 12- or 24-hour format for inputting times, based on system locale: 12-hour 24-hour value a domstring representing a time, or empty. events change and input supported common attributes autocomplete, list, readonly, and step idl attributes value, valueasdate, valueasnumber, and list. methods select(), stepdown(), and stepup(). value a domstring containing the value of the time entered into the input. ...
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<input type="url"> - HTML: Hypertext Markup Language
<input> elements of type url are used to let the user enter and edit a url. the source for this interactive example is stored in a github repository. if you'd like to contribute to the interactive examples project, please clone https://github.com/mdn/interactive-examples and send us a pull request. the input value is automatically validated to ensure that it's either empty or a properly-formatted url before the form can be submitted. ...
...e to contribute to the interactive examples project, please clone https://github.com/mdn/interactive-examples and send us a pull request. the input value is automatically validated to ensure that it's either empty or a properly-formatted url before the form can be submitted. the :valid and :invalid css pseudo-classes are automatically applied as appropriate to visually denote whether the current value of the field is a valid url or not. on browsers that don't support inputs of type url, a url input falls back to being a standard text input. ...
...utomatically validated to ensure that it's either empty or a properly-formatted url before the form can be submitted. the :valid and :invalid css pseudo-classes are automatically applied as appropriate to visually denote whether the current value of the field is a valid url or not. on browsers that don't support inputs of type url, a url input falls back to being a standard text input. ...
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How to build custom form controls - Learn web development
state when: the user clicks on it or touches it on a touch screen. the user hits the tab key and it gains focus. the control was in its open state and the user clicks on it. the control is in its open state when: the control is in any other state than open and the user clicks on it. once we know how to change states, it is important to define how to change the control's value: the value changes when: the user clicks on an option when the control is in the open state. the user hits the up or down arrow keys when the control is in its active state. the value does not change when: the user hits the up arrow key when the first option is selected. the user hits the down arrow key when the last option is selected. finally, let's define how the ...
...hits the up or down arrow keys while the control is in the open state? this one is a little bit trickier. if you consider that the active state and the open state are completely different, the answer is again "nothing will happen" because we did not define any keyboard interactions for the opened state. on the other hand, if you consider that the active state and the open state overlap a bit, the value may change but the option will definitely not be highlighted accordingly, once again because we did not define any keyboard interactions over options when the control is in its opened state (we have only defined what should happen when the control is opened, but nothing after that). we have to think a little further: what about the escape key? pressing esc key closes an open select. remember, if...
...ne its html structure and to give it some basic semantics. here is what we need to rebuild a <select> element: <!-- this is our main container for our control. the tabindex attribute is what allows the user to focus the control. we'll see later that it's better to set it through javascript. ...
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nsIPromptService
uld be the access key for that button. if you need to include an ampersand in the button's text, use two of them, like this: "&&". note: some of these interface methods use out and inout parameters. in c++, out parameters are pointers. for javascript, they are extra work, as you can't use an out parameter directly. you need to wrap them in a temporary object, which can be either empty or have a value property set to the out parameter type. for more information on out parameters and javascript refer to working with out parameters. implemented by: @mozilla.org/embedcomp/prompt-service;1. to get an instance, use: var promptservice = components.classes["@mozilla.org/embedcomp/prompt-service;1"] .getservice(components.interfaces.nsipromptservice); method overview ...
...ring acheckmsg, inout boolean acheckstate); print32 confirmex(in nsidomwindow aparent,in wstring adialogtitle,in wstring atext, in unsigned long abuttonflags,in wstring abutton0title, in wstring abutton1title,in wstring abutton2title,in wstring acheckmsg, inout boolean acheckstate); boolean prompt(in nsidomwindow aparent, in wstring adialogtitle, in wstring atext, inout wstring avalue, in wstring acheckmsg, inout boolean acheckstate); boolean promptusernameandpassword(in nsidomwindow aparent, in wstring adialogtitle, in wstring atext, inout wstring ausername, inout wstring apassword, in wstring acheckmsg, inout boolean acheckstate); boolean promptpassword(in nsidomwindow aparent, in wstring adialogtitle, in wstring atext, inout wstring apassword, in wstring a...
...o confirmex. all flags are defined as unsigned long constants and can be accessed as components.interfaces.nsipromptservice.flagname from javascript and as nsipromptservice::flagname from c++. button position flags on linux and mac, button 2 is on the left of the prompt, while buttons 1 and 0 are on the right. on windows and os/2, the buttons are centred in the order 0, 2, 1. constant value description button_pos_0 1 this is usually the button used to confirm the prompt. it typically has the label "ok", "yes", or "save". button_pos_1 256 this is the button used to cancel the prompt. it typically has the label "cancel" or "no". it is equivalent to pressing the escape key (or cmd+. on the mac), or closing the window through the os controls. bu...
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SVG Presentation Attributes - SVG: Scalable Vector Graphics
olor stop-opacity stroke stroke-dasharray stroke-dashoffset stroke-linecap stroke-linejoin stroke-miterlimit stroke-opacity stroke-width text-anchor text-decoration text-rendering transform unicode-bidi vector-effect visibility word-spacing writing-mode attributes alignment-baseline it specifies how an object is aligned along the font baseline with respect to its parent. ...
...-baseline it specifies how an object is aligned along the font baseline with respect to its parent. value: auto|baseline|before-edge|text-before-edge|middle|central|after-edge|text-after-edge|ideographic|alphabetic|hanging|mathematical|inherit; animatable: yes baseline-shift it allows repositioning of the dominant-baseline relative to the dominant-baseline of the parent text content element. value: auto|baseline|super|sub|<percentage>|<length>|inherit; animatable: yes clip deprecated it defines what portion of an element is visible. value: auto|<shape()>|inherit; animatable: yes clip-path it binds the element it is applied to with a given <clippath> element. ...
... it allows repositioning of the dominant-baseline relative to the dominant-baseline of the parent text content element. value: auto|baseline|super|sub|<percentage>|<length>|inherit; animatable: yes clip deprecated it defines what portion of an element is visible. value: auto|<shape()>|inherit; animatable: yes clip-path it binds the element it is applied to with a given <clippath> element. value: none|<funciri>|inherit; animatable: yes clip-rule it indicates how to determine what side of a path is inside a shape in order to know how a <clippath> should clip its target. ...
...And 32 more matches

nsIWindowsRegKey
seamonkey 1.0) the interface represents a single key in the registry. this interface is highly win32 specific. ...
... registry. this interface is highly win32 specific. ...
... long rootkey, in astring relpath, in unsigned long mode); nsiwindowsregkey createchild(in astring relpath, in unsigned long mode); astring getchildname(in unsigned long index); astring getvaluename(in unsigned long index); unsigned long getvaluetype(in astring name); boolean haschanged(); boolean haschild(in astring name); boolean hasvalue(in astring name); boolean iswatching(); void open(in unsigned long rootkey, in astring relpath, in unsigned long mode); nsiwindowsregkey openchild(in astring relpath, in unsigned long mode); acstring readbinaryvalue(in astring name); unsigned long long readint64value(in astring name); unsigned long readintvalue(in astring name); astri...
...And 31 more matches

HTML documentation index - HTML: Hypertext Markup Language
5 dash adaptive streaming for html 5 video guide, html, html5 dynamic adaptive streaming over http (dash) is an adaptive streaming protocol. 6 date and time formats used in html date, element, format, html, iso 8601, input, reference, string, time, week, datetime, datetime-local, del, ins, month, month-year, week-year certain html elements use date and/or time values. the formats of the strings that specify these values are described in this article. 7 global attributes attribute, html, reference, web global attributes are attributes common to all html elements; they can be used on all elements, though they may have no effect on some elements. 8 accesskey global attributes, html, reference, accesskey the accesskey gl...
...l attributes attribute, html, reference, web global attributes are attributes common to all html elements; they can be used on all elements, though they may have no effect on some elements. 8 accesskey global attributes, html, reference, accesskey the accesskey global attribute provides a hint for generating a keyboard shortcut for the current element. the attribute value must consist of a single printable character (which includes accented and other characters that can be generated by the keyboard). 9 autocapitalize autocapitalize, global attributes, html, reference the autocapitalize global attribute is an enumerated attribute that controls whether and how text input is automatically capitalized as it is entered/edited by the user. 10...
... enumerated attribute that indicates whether the element can be dragged, either with native browser behavior or the html drag and drop api. 16 dropzone deprecated, global attributes, html, reference the dropzone global attribute is an enumerated attribute indicating what types of content can be dropped on an element, using the html drag and drop api. it can have the following values: 17 hidden global attributes, html, reference the hidden global attribute is a boolean attribute indicating that the element is not yet, or is no longer, relevant. for example, it can be used to hide elements of the page that can't be used until the login process has been completed. 18 id global attributes, html, reference, web, id the id global attribut...
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Preferences - Archive of obsolete content
setboolpref(), getcharpref(), setcharpref(), getintpref(), and setintpref(). using them is as easy as: // get the "accessibility." branch var prefs = components.classes["@mozilla.org/preferences-service;1"] .getservice(components.interfaces.nsiprefservice).getbranch("accessibility."); // prefs is an nsiprefbranch. // look in the above section for examples of getting one. var value = prefs.getboolpref("typeaheadfind"); // get a pref (accessibility.typeaheadfind) prefs.setboolpref("typeaheadfind", !value); // set a pref (accessibility.typeaheadfind) complex types as noted in the previous section, each entry in the preferences database (prefs.js) must have a string, an integer, or a boolean value. however, there is a concept of complex types, which makes it easier for devel...
...aheadfind) complex types as noted in the previous section, each entry in the preferences database (prefs.js) must have a string, an integer, or a boolean value. however, there is a concept of complex types, which makes it easier for developers to save and load nsilocalfile and nsisupportsstring objects in preferences (as strings — note that from the preferences system's point of view, complex values have a nsiprefbranch.pref_string type.) there are two nsiprefbranch methods implementing the concept — setcomplexvalue() and getcomplexvalue(). you can look up their implementations in nsprefbranch.cpp. ...
...oad nsilocalfile and nsisupportsstring objects in preferences (as strings — note that from the preferences system's point of view, complex values have a nsiprefbranch.pref_string type.) there are two nsiprefbranch methods implementing the concept — setcomplexvalue() and getcomplexvalue(). you can look up their implementations in nsprefbranch.cpp. ...
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Client-side form validation - Learn web development
ata without relying on javascript. this is done by using validation attributes on form elements. we've seen many of these earlier in the course, but to recap: required: specifies whether a form field needs to be filled in before the form can be submitted. minlength and maxlength: specifies the minimum and maximum length of textual data (strings) min and max: specifies the minimum and maximum values of numerical input types type: specifies whether the data needs to be a number, an email address, or some other specific preset type. pattern: specifies a regular expression that defines a pattern the entered data needs to follow. if the data entered in a form field follows all of the rules specified by the above attributes, it is considered valid. if not, it is considered invalid. when an...
...out-of-range) depending on the error, which lets you apply a specific style to invalid elements. if the user tries to send the data, the browser will block the form and display an error message. note: there are several errors that will prevent the form from being submitted, including a badinput, patternmismatch, rangeoverflow or rangeunderflow, stepmismatch, toolong or tooshort, typemismatch, valuemissing, or a customerror. built-in form validation examples in this section, we'll test out some of the attributes that we discussed above. simple start file let's start with a simple example: an input that allows you to choose whether you prefer a banana or a cherry. this example involves a simple text <input> with an associated <label> and a submit <button>. find the source code on github ...
...olid black; } this css causes the input to have a red dashed border when it is invalid and a more subtle solid black border when valid. we also added a background gradient when the input is required and invalid. try out the new behavior in the example below: note: you can find this example live on github as fruit-validation.html (see also the source code.) try submitting the form without a value. note how the invalid input gets focus, a default error message ("please fill out this field") appears, and the form is prevented from being sent. the presence of the required attribute on any element that supports this attribute means the element matches the :required pseudoclass whether it has a value or not. if the <input> has no value, the input will match the :invalid pseudoclass. note: f...
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Accessing the Windows Registry Using XPCOM
to read this section. a simple example here's a simple example showing how to read your windows productid: var wrk = components.classes["@mozilla.org/windows-registry-key;1"] .createinstance(components.interfaces.nsiwindowsregkey); wrk.open(wrk.root_key_local_machine, "software\\microsoft\\windows\\currentversion", wrk.access_read); var id = wrk.readstringvalue("productid"); wrk.close(); this example, while simple, shows several important things about using the interface. first, you must use createinstance() to get an object implementing this interface, not getservice(). second, you must call open() on the key before attempting to read a value. notice in the open() call that the root key to use is specified using the named constants available on the ...
...e, which corresponds to hkey_local_machine in the windows registry. also notice that the path to the key has backslashes escaped, a necessity in javascript and c++ string constants. the desired access rights are specified using a named constant from the interface, in this example access_read. this can be very important when dealing with non-administrator accounts with restricted privileges. the value is read using readstringvalue(). you have to specify what type of data you expect to read, which we will expand on later. finally, note that you should close the key when you are done to avoid wasting system resources. opening registry keys before doing anything with a registry key you must first open the key you are interested in. the example above demonstates this using the open() method. if ...
...h to the key. as noted in the example above, you will need to escape backslashes within the string. the third parameter for open() and create() is the access mode. it is specified as a bitwise combination of flags defined on the interface. you can read the interface documentation for a full explanation, but we will show only the three most commonly used modes here: access_read — for reading values, enumerating keys, and receiving notifications access_write — for setting values and creating sub keys access_all — access for all operations in addition to open() and create(), there are the openchild() and createchild() methods. you can call these methods on an already-opened registry key to open a child key. both methods take a relative path and access mode as parameters and return a ...
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nsITextInputProcessor
repeat: false, ...
... repeat: false, // optional. }); // the other attributes are always ignored. ...
...d sharemodifierstateof(in nsitextinputprocessor aother); boolean startcomposition([optional] in nsidomkeyevent adomkeyevent, [optional] in unsigned long akeyflags); attributes attribute type description hascomposition boolean whether the instance has composition or not. true if it has composition. read only. constants constant value description attr_raw_clause 0x02 a clause attribute. this means that the clause is not converted, i.e., raw text of user input. attr_raw_selected_clause 0x03 a clause attribute but this is typically not used. this means that the clause is not converted but selected to convert or modify. attr_converted_clause 0x04 a clause attribute. this means t...
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display - CSS: Cascading Style Sheets
the display css property sets whether an element is treated as a block or inline element and the layout used for its children, such as flow layout, grid or flex. formally, the display property sets an element's inner and outer display types. the outer type sets an element's participation in flow layout; the inner type sets the layout of children. ...
...ut; the inner type sets the layout of children. some values of display are fully defined in their own individual specifications; for example the detail of what happens when display: flex is declared is defined in the css flexible box model specification. see the table at the end of this document for all of the individual specifications. syntax the css display property is specified using keyword values. keyword values are grouped into six value categories: .container { display: [ <display-outside> || <display-inside> ] | <display-listitem> | <display-internal> | <display-box> | <display-legacy> ; } outside <display-outside> these keywords specify the element’s outer display type, which is essentially its role in flow layout. ...
... inline the element generates one or more inline element boxes that do not generate line breaks before or after themselves. ...
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Building accessible custom components in XUL - Archive of obsolete content
t to contain the other elements and position them in rows and columns. description elements for each row and column header. label elements for each cell in the spreadsheet. the xul markup is straightforward. we define the grid, then define the headers for each row (numbered 1 through 7), then define the column header and cells for each column. the label for each header and cell is defined in the value attribute. the flex attributes are simply for layout. note: the row and column headers are denoted by description elements, and individual cells are denoted by label elements. this is not an accessibility requirement; as we'll see in the next section, the actual xul elements are irrelevant because we will define the role of each element in a separate attribute. <code> <grid class="spreadsheet" id...
...ption elements, and individual cells are denoted by label elements. this is not an accessibility requirement; as we'll see in the next section, the actual xul elements are irrelevant because we will define the role of each element in a separate attribute. ...
...are denoted by label elements. this is not an accessibility requirement; as we'll see in the next section, the actual xul elements are irrelevant because we will define the role of each element in a separate attribute. ...
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textbox (Toolkit autocomplete) - Archive of obsolete content
eteselectedindex,crop, disableautocomplete, disabled, disablekeynavigation, enablehistory, focused, forcecomplete, highlightnonmatches, ignoreblurwhilesearching, inputtooltiptext, label, maxlength, maxrows, minresultsforpopup, nomatch, onchange, oninput, onsearchcomplete, ontextentered, ontextreverted, open, readonly,showcommentcolumn, showimagecolumn, size, tabindex, tabscrolling, timeout, type, value properties accessibletype, completedefaultindex, controller, crop, disableautocomplete, disablekeynavigation, disabled, editable, focused, forcecomplete, highlightnonmatches, ignoreblurwhilesearching, inputfield, label, maxlength, maxrows, minresultsforpopup, open, popup, popupopen, searchcount, searchparam, selectionend, selectionstart, showcommentcolumn, showimagecolumn,size, tabindex...
...this should be one of the characters that appears in the label attribute for the elemen...
...this should be one of the characters that appears in the label attribute for the element. ...
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textbox - Archive of obsolete content
the multiline attribute can be specified to display a field with multiple rows. more information is available in the xul tutorial. ...
... in the xul tutorial. ...
... decimalplaces type: integer the number of decimal...
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Index - MDN Web Docs Glossary: Definitions of Web-related terms
gation, webmechanics safari is a web browser developed by apple and bundled with both macos and ios. it's based on the open source webkit engine. 20 application context codingscripting, glossary an application context is a top-level browsing context that has a manifest applied to it. 21 argument codingscripting, glossary, javascript an argument is a value (primitive or object) passed as input to a function. 22 arpanet glossary, infrastructure the arpanet (advanced research projects agency network) was an early computer network, constructed in 1969 as a robust medium to transmit sensitive military data and to connect leading research groups throughout the united states. arpanet first ran ncp (network control protocol) and subse...
...protocol) and subsequently the first version of the internet protocol or tcp/ip suite, making arpanet a prominent part of the nascent internet. arpanet was closed in early 1990. 23 array array, codingscripting, glossary, javascript, programming an array is an ordered collection of data (either primitive or object depending upon the language). arrays are used to store multiple values in a single variable. this is compared to a variable that can store only one value. 24 asynchronous glossary, web, webmechanics, asynchronous the term asynchronous refers to or multiple related things happening without waiting for the previous one to complete). 25 attribute codingscripting, glossary, html an attribute extends an element, changing its beh...
...ssary, security a block cipher mode of operation, usually just called a "mode" in context, specifies how a block cipher should be used to encrypt or decrypt messages that are longer than the block size. 36 boolean boolean, codingscripting, glossary, javascript, programming languages, data types in computer science, a boolean is a logical data type that can have only the values true or false. 37 boot2gecko boot2gecko, firefox os, glossary, infrastructure, intro boot2gecko (b2g) is the engineering codename for firefox os and refers to builds that haven't yet received official firefox os branding. (firefox os was also often called boot2gecko before the project had an official name.) 38 bootstrap bootstrap, css, glossary, intro, framewo...
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filter - CSS: Cascading Style Sheets
ects. you can also reference an svg filter with a url to an svg filter element. the source for this interactive example is stored in a github repository. if you'd like to contribute to the interactive examples project, please clone https://github.com/mdn/interactive-examples and send us a pull request. ...
...ilter-id"); /* <filter-function> values */ filter: blur(5px); filter: brightness(0.4); filter: contrast(200%); filter: drop-shadow(16px 16px 20px blue); filter: grayscale(50%); filter: hue-rotate(90deg); filter: invert(75%); filter: opacity(25%); filter: saturate(30%); filter: sepia(60%); /* multiple filters */ filter: contrast(175%) brightness(3%); /* use no filter */ filter: none; /* global values */ filter: inherit; filter: initial; filter: unset; with a function, use the following: filter: <filter-function> [<filter-function>]* | none for a reference to an svg <filter> element, use the following: filter: url(file.svg#filter-element-id) interpolation if both the beginning and end filters have a function list of the same length without <url>, each of their filter functions is int...
... the following: filter: url(file.svg#filter-element-id) interpolation if both the beginning and end filters have a function list of the same length without <url>, each of their filter functions is interpolated according to its specific rules. if they have different lengths, the missing equivalent filter functions from the longer list are added to the end of the shorter list using their lacuna values, then all filter functions are interpolated according to their specific rules. if one filter is none, it is replaced with the filter functions list of the other one using the filter function default values, then all filter functions are interpolated according to their specific rules. otherwise, discrete interpolation is used. functions the filter property is specified as none or one or more of...
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<input type="radio"> - HTML: Hypertext Markup Language
eractive examples project, please clone https://github.com/mdn/interactive-examples and send us a pull request. they are called radio buttons because they look and operate in a similar manner to the push buttons on old-fashioned radios, such as the one shown below. ...
...interactive-examples and send us a pull request. they are called radio buttons because they look and operate in a similar manner to the push buttons on old-fashioned radios, such as the one shown below. note: checkboxes are similar to radio buttons, but with an important distinction: radio buttons are designed for selecting one value out of a set, whereas checkboxes let you turn individual values on and off. ...
...sh buttons on old-fashioned radios, such as the one shown below. note: checkboxes are similar to radio buttons, but with an important distinction: radio buttons are designed for selecting one value out of a set, whereas checkboxes let you turn individual values on and off. where multiple controls exist, radio buttons allow one to be selected out of them all, whereas checkboxes allow multiple values to be selected. value a domstring representing the value of the radio button. ...
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The "codecs" parameter in common media types - Web media technologies
ebm file containing vp8 video and/or vorbis audio. video/mp4; codecs="avc1.4d002a" an mpeg-4 file containing avc (h.264) video, main profile, level 4.2. as is the case with any mime type parameter, codecs must be changed to codecs* (note the asterisk character, *) if any of the properties of the codec use special characters which must be percent-encoded per rfc 2231, section 4: mime parameter value and encoded word extensions. you can use the javascript encodeuri() function to encode the parameter list; similarly, you can use decodeuri() to decode a previously encoded parameter list. when the codecs parameter is used, the specified list of codecs must include every codec used for the contents of the file. the list may also contain codecs not present in the file.= codec options by contai...
...format (iso bmff), so they share the same syntax. av1 the syntax of the codecs parameter for av1 is defined the av1 codec iso media file format binding specification, section 5: codecs parameter string. av01.p.llt.dd[.m[.ccc[.cp[.tc[.mc[.f]]]]]] this codec parameter string's components are described in more detail in the table below. each component is a fixed number of characters long; if the value is less than that length, it must be padded with leading zeros. av1 codec parameter string components component details p the one-digit profile number: av1 profile numbers profile number description 0 "main" profile; supports yuv 4:2:0 or monochrome bitstreams with bit depth of 8 or 10...
... where x = 2 + (ll >> 2) and y = ll & 3. see appendix a, section 3 in the av1 specification for details. t the one-character tier indicator. for the main tier (seq_tier equals 0), this character is the letter m. for the high tier (seq_tier is 1), this character is the letter h. the high tier is only available for level 4.0 and up. dd the two-digit component bit depth. this value must be one of 8, 10, or 12; which values are valid varies depending on the profile and other properties. m the one-digit monochrome flag; if this is 0, the video includes the u and v planes in addition to the y plane. otherwise, the video data is entirely in the y plane and is therefore monochromatic. see yuv in digital video concepts for details on how the yuv color system works. th...
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SVG documentation index - SVG: Scalable Vector Graphics
svg attribute the alignment-baseline attribute specifies how an object is aligned with respect to its parent. this property specifies which baseline of this element is to be aligned with the corresponding baseline of the parent. for example, this allows alphabetic baselines in roman text to stay aligned across font size changes. it defaults to the baseline with the same name as the computed value of the alignment-baseline property. 23 alphabetic deprecated, svg, svg attribute the alphabetic attribute defines the lower baseline of a font. it has the same syntax and semantics as the baseline descriptor within an @font-face. 24 amplitude needscompattable, svg, svg attribute the amplitude attribute controls the amplitude of the gamma function of a com...
...attributename needscompattable, svg, svg attribute the attributename attribute indicates the name of the css property or attribute of the target element that is going to be changed during an animation. 28 attributetype deprecated, needscompattable, svg, svg attribute the attributetype attribute specifies the namespace in which the target attribute and its associated values are defined. 29 azimuth filters, svg, svg attribute the azimuth attribute specifies the direction angle for the light source on the xy plane (clockwise), in degrees from the x axis. 30 basefrequency filters, svg, svg attribute the basefrequency attribute represents the base frequency parameter for the noise function of the <feturbulence> filter primitive...
...animation should begin or when an element should be discarded. 35 bias filters, needsexample, svg, svg attribute the bias attribute shifts the range of the filter. after applying the kernelmatrix of the <feconvolvematrix> element to the input image to yield a number and applied the divisor attribute, the bias attribute is added to each component. this allows representation of values that would otherwise be clamped to 0 or 1. 36 by svg, svg attribute the by attribute specifies a relative offset value for an attribute that will be modified during an animation. 37 calcmode needscompattable, needsexample, svg, svg attribute the calcmode attribute specifies the interpolation mode for the animation. 38 cap-height deprecated...
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LiveConnect Overview - Archive of obsolete content
ped java array, accessed from within javascript code. javaclass a javascript reference to a java class. javaobject a wrapped java object, accessed from within javascript code. javapackage a javascript reference to a java package. note: because java is a strongly typed language and javascript is weakly typed, the javascript runtime engine converts argument values into the appropriate data types for the other language when you use liveconnect. see data type conversion for complete information. in some ways, the existence of the liveconnect objects is transparent, because you interact with java in a fairly intuitive way. for example, you can create a java string object and assign it to the javascript variable mystring by using the new operator with the jav...
...n instance of the java object string. as a javaobject, mystring has access to the public instance methods of java.lang.string and its superclass, java.lang.object. these java methods are available in javascript as methods of the javaobject, and you can call them as follows: mystring.length(); // returns 11 static members can be called directly on the javaclass object. alert(java.lang.integer.max_value); //alerts 2147483647 the packages object if a java class is not part of the java, sun, or netscape packages, you access it with the packages object. for example, suppose the redwood corporation uses a java package called redwood to contain various java classes that it implements. to create an instance of the helloworld class in redwood, you access the constructor of the class as follows: var re...
...nstance(java.lang.string, 5); arguments of type char in javascript 1.4 and later, you can pass a one-character string to a java method which requires an argument of type char. for example, you can pass the string "h" to the character constructor as follows: var c = new java.lang.character("h"); in javascript 1.3 and earlier, you must pass such methods an integer which corresponds to the unicode value of the character. for example, the following code also assigns the value "h" to the variable c: var c = new java.lang.character(72); handling java exceptions in javascript when java code fails at run time, it throws an exception. if your javascript code accesses a java data member or method and fails, the java exception is passed on to javascript for you to handle. beginning with javascript 1.4,...
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TypeScript support in Svelte - Learn web development
like traget instead of target) typescript will complain: in the app.svelte component, the setuptypescript.js script has added the lang="ts" attribute to the <script> tag. moreover, thanks to type inference, in many cases we won't even need to specify types to get code assistance. for example, if you start adding an ms property to the alert component call, typescript will infer from the default value that the ms property should be a number: and if you pass something that is not a number it will complain about it: the application template has a validate script configured that runs svelte-check against your code. this package allows you to detect errors and warnings normally displayed by a code editor from the command line, which makes it pretty useful for running it in a continuous integ...
...corresponding types, like so: export let ms = 3000 let visible: boolean let timeout: number const onmessagechange = (message: string, ms: number) => { cleartimeout(timeout) if (!message) { // hide alert if message is empty note: there's no need to specify the ms type with export let ms:number = 3000 because typescript is already inferring it from its default value. moreactions.svelte now we'll do the same for the moreactions.svelte component. add the lang='ts' attribute, like before. typescript will warn us about the todos prop and the t variable in the call to todos.filter(t =>...). warn: variable 'todos' implicitly has an 'any' type, but a better type may be inferred from usage. (ts) export let todos warn: parameter 't' implicitly has an...
...dtodos: number = todos.filter[...] is invalid. for more information read how do i type reactive assignments? / i get an "implicitly has type 'any' error". filterbutton.svelte now we'll take care of the filterbutton component. add the lang='ts' attribute to the <script> tag, as usual. you'll notice there are no warnings — typescript infers the type of the filter variable from the default value. but we know that there are only three valid values for the filter: all, active, and completed. so we can let typescript know about them by creating an enum filter. create a filter.enum.ts file in the types folder. give it the following contents: export enum filter { all = 'all', active = 'active', completed = 'completed', } now we will use this from the filterbutton co...
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JSAPI reference
ception js_clearpendingexception js_throwstopiteration added in spidermonkey 1.8 js_isstopiteration added in spidermonkey 31 typedef jsexceptionstate js_saveexceptionstate js_restoreexceptionstate js_dropexceptionstate these functions translate errors into exceptions and vice versa: js_reportpendingexception js_errorfromexception js_throwreportederror obsolete since jsapi 29 values and types typedef jsval js::value js::value constructors: js::nullvalue added in spidermonkey 24 js::undefinedvalue added in spidermonkey 24 js::booleanvalue added in spidermonkey 24 js::truevalue added in spidermonkey 24 js::falsevalue added in spidermonkey 24 js::numbervalue added in spidermonkey 24 js::int32value added in spidermonkey 24 js::doublevalue added in spidermonkey...
...ypedef jsval js::value js::value constructors: js::nullvalue added in spidermonkey 24 js::undefinedvalue added in spidermonkey 24 js::booleanvalue added in spidermonkey 24 js::truevalue added in spidermonkey 24 js::falsevalue added in spidermonkey 24 js::numbervalue added in spidermonkey 24 js::int32value added in spidermonkey 24 js::doublevalue added in spidermonkey 24 js::float32value added in spidermonkey 24 js::stringvalue added in spidermonkey 24 js::objectvalue added in spidermonkey 24 js::objectornullvalue added in spidermonkey 24 js::symbolvalue added in spidermonkey 38 js::value constants: js::nullhandlevalue added in spidermonkey 24 js::undefinedhandlevalue added in spidermonkey 24 js::truehandlevalue added in spidermonkey 38 js::falsehandlevalue added in s...
...ndlevalue added in spidermonkey 38 js::falsehandlevalue added in spidermonkey 38 jsval constants: jsval_null obsolete since jsapi 42 jsval_void obsolete since jsapi 42 jsval_true obsolete since jsapi 42 jsval_false obsolete since jsapi 42 jsval_zero obsolete since jsapi 42 jsval_one obsolete since jsapi 42 function and macros for checking the type of a jsval: enum jstype js_typeofvalue all of the following are deprecated. see js::value for their modern replacements. jsval_is_null obsolete since jsapi 32 jsval_is_void obsolete since jsapi 32 jsval_is_boolean obsolete since jsapi 32 jsval_is_number obsolete since jsapi 32 jsval_is_int obsolete since jsapi 32 jsval_is_double obsolete since jsapi 32 jsval_is_string obsolete since jsapi 32 jsval_is_object obsolete since ...
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