<input type="image"> - HTML: Hypertext Markup Language
value <input type="image"> elements do not accept value attributes.
... for example, if you have a graphical button that shows an image with an icon and/or image text "login now", you should also set the alt attribute to something like login now.
... functionally, the <input type="image"> alt attribute works just like the alt attribute on <img> elements.
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Communicating using "port" - Archive of obsolete content
here's a simple add-on that sends a message to a content script using port: var tabs = require("sdk/tabs"); var alertcontentscript = "self.port.on('alert', function(message) {" + " window.alert(message);" + "})"; tabs.on("ready", function(tab) { worker = tab.attach({ contentscript: alertcontentscript }); worker.port.emit("alert", "message from the add-on"); }); tabs.open("http://www.mozilla.org"); in total, the port object def...
...thus, to emit a message from a content script: self.port.emit("mycontentscriptmessage", mycontentscriptmessagepayload); to receive a message from the add-on code: self.port.on("myaddonmessage", function(myaddonmessagepayload) { // handle the message }); compare this to the technique used to receive built-in messages in the content script.
... for example, to receive the context message in a content script associated with a context menu object, you would call the on function attached to the global self object: self.on("context", function() { // handle the message }); so the port property is essentially used here as a namespace for user-defined messages.
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<input type="password"> - HTML: Hypertext Markup Language
the element is presented as a one-line plain text editor control in which the text is obscured so that it cannot be read, usually by replacing each character with a symbol such as the asterisk ("*") or a dot ("•").
...if the user hasn't entered anything yet, this value is an empty string ("").
... <label for="userpassword">password: </label> <input id="userpassword" type="password"> allowing autocomplete to allow the user's password manager to automatically enter the password, specify the autocomplete attribute.
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<input type="range"> - HTML: Hypertext Markup Language
the value is never an empty string ("").
...for example, in the case of a home stereo volume control, users typically think "set volume at halfway to maximum" instead of "set volume to 0.5".
... for example, to ask the user for a value between -10 and 10, you can use: <input type="range" min="-10" max="10"> setting the value's granularity by default, the granularity, is 1, meaning that the value is always an integer.
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The "codecs" parameter in common media types - Web media technologies
video/webm; codecs="vp8, vorbis" a webm 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.
... 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 bits per component.
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<input type="checkbox"> - HTML: Hypertext Markup Language
take the following example: <form> <div> <input type="checkbox" id="subscribenews" name="subscribe" value="newsletter"> <label for="subscribenews">subscribe to newsletter?</label> </div> <div> <button type="submit">subscribe</button> </div> </form> in this example, we've got a name of subscribe, and a value of newsletter.
...if you wanted to submit a default value for the checkbox when it is unchecked, you could include an <input type="hidden"> inside the form with the same name and value, generated by javascript perhaps.
... additional attributes in addition to the common attributes shared by all <input> elements, "checkbox" inputs support the following attributes: attribute description checked boolean; if present, the checkbox is toggled on by default indeterminate a boolean which, if present, indicates that the value of the checkbox is indeterminate rather than true or false value the string to use as the value of the checkbox when submitting the form, if the checkbox is currently toggled on checked a boolean attribute indicating whether or not this checkbox is checked by default (when the page loads).
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Preloading content with rel="preload" - HTML: Hypertext Markup Language
this article provides a basic guide to how <link rel="preload"> works.
... the basics you most commonly use <link> to load a css file to style your page with: <link rel="stylesheet" href="styles/main.css"> here however, we will use a rel value of preload, which turns <link> into a preloader for any resource we want.
... a simple example might look like this (see our js and css example source, and also live): <head> <meta charset="utf-8"> <title>js and css preload example</title> <link rel="preload" href="style.css" as="style"> <link rel="preload" href="main.js" as="script"> <link rel="stylesheet" href="style.css"> </head> <body> <h1>bouncing balls</h1> <canvas></canvas> <script src="main.js" defer></script> </body> here we preload our css and javascript files so they will be available as soon as they are required for the rendering of the page later on.
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<input type="button"> - HTML: Hypertext Markup Language
value a domstring used as the button's label events click supported common attributes type, and value idl attributes value methods none value an <input type="button"> elements' value attribute contains a domstring that is used as the button's label.
... <input type="button" value="click me"> if you don't specify a value, you get an empty button: <input type="button"> using buttons <input type="button"> elements have no default behavior (their cousins, <input type="submit"> and <input type="reset"> are used to submit and reset forms, respectively).
... a simple button we'll begin by creating a simple button with a click event handler that starts our machine (well, it toggles the value of the button and the text content of the following paragraph): <form> <input type="button" value="start machine"> </form> <p>the machine is stopped.</p> const button = document.queryselector('input'); const paragraph = document.queryselector('p'); button.addeventlistener('click', updatebutton); function updatebutton() { if (button.value === 'start machine') { button.value = 'stop machine'; paragraph.textcontent = 'the machine has started!'; } else { button.value = 'start machine'; paragraph.textcontent = 'the machine is stopped.'; } } the script ge...
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<input type="radio"> - HTML: Hypertext Markup Language
the resulting html looks like this: <form> <p>please select your preferred contact method:</p> <div> <input type="radio" id="contactchoice1" name="contact" value="email"> <label for="contactchoice1">email</label> <input type="radio" id="contactchoice2" name="contact" value="phone"> <label for="contactchoice2">phone</label> <input type="radio" id="contactchoice3" name="contact" value="mail"> <label for="contactchoice3">mail</label> </div> <div> <button type="submit"...
...for example, if the user clicks on the "phone" radio button then submits the form, the form's data will include the line contact=phone.
...in this scenario, if the user clicked on the "phone" option and submitted the form, the resulting form data would be contact=on, which isn't helpful.
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Gecko's "Almost Standards" Mode
as of mozilla 1.0.1 and 1.1 beta, there is a new rendering mode referred to as "almost standards" mode.
... this is added to the long-standing "quirks" and "standards" modes.
... "almost standards" rendering mode is exactly the same as "standards" mode in all details save one, where it works like "quirks" mode: the height calculations for line boxes and some of the inline elements in them.
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<input type="reset"> - HTML: Hypertext Markup Language
<input> elements of type "reset" are rendered as buttons, with a default click event handler that resets all of the inputs in the form to their initial values.
... value a domstring used as the button's label events click supported common attributes type and value idl attributes value methods none value an <input type="reset"> element's value attribute contains a domstring that is used as the button's label.
... <input type="reset" value="reset the form"> if you don't specify a value, you get an button with the default label (typically "reset," but this will vary depending on the user agent): <input type="reset"> using reset buttons <input type="reset"> buttons are used to reset forms.
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<input type="search"> - HTML: Hypertext Markup Language
searchterms = mysearch.value; if no validation constraints are in place for the input (see validation for more details), the value can be any text string or an empty string ("").
... basic example <form> <div> <input type="search" id="mysearch" name="q"> <button>search</button> </div> </form> this renders like so: q is the most common name given to search inputs, although it's not mandatory.
...look at the following example: <form> <div> <input type="search" id="mysearch" name="q" placeholder="search the site..."> <button>search</button> </div> </form> you can see how the placeholder is rendered below: search form labels and accessibility one problem with search forms is their accessibility; a common design practice is not to provide a label for the search field (although there might be a magnifying glass icon or similar), as t...
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<input type="text"> - HTML: Hypertext Markup Language
let thetext = mytextinput.value; if no validation constraints are in place for the input (see validation for more details), the value may be an empty string ("").
... "" (empty string) or no value follow the element's default behavior for spell checking.
... basic example <form> <div> <label for="uname">choose a username: </label> <input type="text" id="uname" name="name"> </div> <div> <button>submit</button> </div> </form> this renders like so: when submitted, the data name/value pair sent to the server will be uname=chris (if "chris" was entered as the input value before submission).
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<input type="color"> - HTML: Hypertext Markup Language
providing a default color you can update the simple example above to set a default value, so that the color well is pre-filled with the default color and the color picker (if any) will also default to that color: <input type="color" value="#ff0000"> if you don't specify a value, the default is #000000, which is black.
... the value must be in seven-character hexadecimal notation, meaning the "#" character followed by two digits each representing red, green, and blue, like this: #rrggbb.
... here's an example that watches changes over time to the color value: colorpicker.addeventlistener("input", updatefirst, false); colorpicker.addeventlistener("change", watchcolorpicker, false); function watchcolorpicker(event) { document.queryselectorall("p").foreach(function(p) { p.style.color = event.target.value; }); } selecting the value if the <input> element's implementation of the color type on the user's browser doesn't support a color well, but is instead a text field for en...
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Communicating using "postMessage" - Archive of obsolete content
to receive a message from the add-on script, use self's on function: self.on("message", function(addonmessage) { // handle the message }); like all event-registration functions, this takes two parameters: the name of the event, and the handler function.
...to simplify this most content modules provide an onmessage property as an argument to the constructor: panel = require("sdk/panel").panel({ onmessage: function(contentscriptmessage) { // handle message from the content script } }); message events versus user-defined events you can use message events as an alternative to user-defined events: var pagemodscript = "window.addeventlistener('mouseover', function(event) {" + " self.postmessage(event.target.tostring());" + ...
... "}, false);"; var pagemod = require('sdk/page-mod').pagemod({ include: ['*'], contentscript: pagemodscript, onattach: function(worker) { worker.on('message', function(message) { console.log('mouseover: ' + message); }); } }); the reason to prefer user-defined events is that as soon as you need to send more than one type of message, then both sending and receiving messages gets more complex.
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<input type="hidden"> - HTML: Hypertext Markup Language
<input id="prodid" name="prodid" type="hidden" value="xm234jq"> value a domstring representing the value of the hidden data you want to pass back to the server.
... important: while the value isn't displayed to the user in the page's content, it is visible—and can be edited—using any browser's developer tools or "view source" functionality.
... the edit form's html might look a little bit like this: <form> <div> <label for="title">post title:</label> <input type="text" id="title" name="title" value="my excellent blog post"> </div> <div> <label for="content">post content:</label> <textarea id="content" name="content" cols="60" rows="5"> this is the content of my excellent blog post.
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SyntaxError: invalid regular expression flag "x" - JavaScript
the javascript exception "invalid regular expression flag" occurs when the flags, defined after the second slash in regular expression literal, are not one of g, i, m, s, u, or y.
... message syntaxerror: syntax error in regular expression (edge) syntaxerror: invalid regular expression flag "x" (firefox) syntaxerror: invalid regular expression flags (chrome) error type syntaxerror what went wrong?
...to match newlines (added in ecmascript 2018) u unicode; treat pattern as a sequence of unicode code points y perform a "sticky" search that matches starting at the current position in the target string.
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ReferenceError: "x" is not defined - JavaScript
the javascript exception "variable is not defined" occurs when there is a non-existent variable referenced somewhere.
... message referenceerror: "x" is not defined error type referenceerror.
... note: when loading a library (such as jquery), make sure it is loaded before you access library variables, such as "$".
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SyntaxError: "x" is a reserved identifier - JavaScript
the javascript exception "variable is a reserved identifier" occurs when reserved keywords are used as identifiers.
... message syntaxerror: the use of a future reserved word for an identifier is invalid (edge) syntaxerror: "x" is a reserved identifier (firefox) syntaxerror: unexpected reserved word (chrome) error type syntaxerror what went wrong?
... "use strict"; var package = ["potatoes", "rice", "fries"]; // syntaxerror: package is a reserved identifier you'll need to rename these variables.
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SyntaxError: "use strict" not allowed in function with non-simple parameters - JavaScript
the javascript exception "'use strict' not allowed in function" occurs when a "use strict" directive is used at the top of a function with default parameters, rest parameters, or destructuring parameters.
... message edge: cannot apply strict mode on functions with non-simple parameter list firefox: syntaxerror: "use strict" not allowed in function with default parameter syntaxerror: "use strict" not allowed in function with rest parameter syntaxerror: "use strict" not allowed in function with destructuring parameter chrome: syntaxerror: illegal 'use strict' directive in function with non-simple parameter list error type syntaxerror.
... a "use strict" directive is written at the top of a function that has one of the following parameters: default parameters rest parameters destructuring parameters a "use strict" directive is not allowed at the top of such functions per the ecmascript specification.
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TypeError: can't redefine non-configurable property "x" - JavaScript
the javascript exception "can't redefine non-configurable property" occurs when it was attempted to redefine a property, but that property is non-configurable.
... message typeerror: cannot modify non-writable property {x} (edge) typeerror: can't redefine non-configurable property "x" (firefox) typeerror: cannot redefine property: "x" (chrome) error type typeerror what went wrong?
... var obj = object.create({}); object.defineproperty(obj, "foo", {value: "bar"}); object.defineproperty(obj, "foo", {value: "baz"}); // typeerror: can't redefine non-configurable property "foo" you will need to set the "foo" property to configurable, if you intend to redefine it later in the code.
... var obj = object.create({}); object.defineproperty(obj, "foo", {value: "bar", configurable: true}); object.defineproperty(obj, "foo", {value: "baz", configurable: true}); ...

SyntaxError: "0"-prefixed octal literals and octal escape seq. are deprecated - JavaScript
the javascript strict mode-only exception "0-prefixed octal literals and octal escape sequences are deprecated; for octal literals use the "0o" prefix instead" occurs when deprecated octal literals and octal escape sequences are used.
... message syntaxerror: octal numeric literals and escape characters not allowed in strict mode (edge) syntaxerror: "0"-prefixed octal literals and octal escape sequences are deprecated; for octal literals use the "0o" prefix instead error type syntaxerror in strict mode only.
...with ecmascript 2015 and later, the standardized syntax uses a leading zero followed by a lowercase or uppercase latin letter "o" (0o or 0o).
... examples "0"-prefixed octal literals "use strict"; 03; // syntaxerror: "0"-prefixed octal literals and octal escape sequences // are deprecated octal escape sequences "use strict"; "\251"; // syntaxerror: "0"-prefixed octal literals and octal escape sequences // are deprecated valid octal numbers use a leading zero followed by the letter "o" or "o": 0o3; for octal escape sequences, you can use hexadecimal escape sequences instead: '\xa9'; ...

TypeError: setting getter-only property "x" - JavaScript
the javascript strict mode-only exception "setting getter-only property" occurs when there is an attempt to set a new value to a property for which only a getter is specified.
... message typeerror: assignment to read-only properties is not allowed in strict mode (edge) typeerror: setting getter-only property "x" (firefox) typeerror: cannot set property "prop" of #<object> which has only a getter (chrome) error type typeerror in strict mode only.
... "use strict"; function archiver() { var temperature = null; object.defineproperty(this, 'temperature', { get: function() { console.log('get!'); return temperature; } }); } var arc = new archiver(); arc.temperature; // 'get!' arc.temperature = 30; // typeerror: setting getter-only property "temperature" to fix this error, you will either need to remove line 16, where th...
...ere is an attempt to set the temperature property, or you will need to implement a setter for it, for example like this: "use strict"; function archiver() { var temperature = null; var archive = []; object.defineproperty(this, 'temperature', { get: function() { console.log('get!'); return temperature; }, set: function(value) { temperature = value; archive.push({ val: temperature }); } }); this.getarchive = function() { return archive; }; } var arc = new archiver(); arc.temperature; // 'get!' arc.temperature = 11; arc.temperature = 13; arc.getarchive(); // [{ val: 11 }, { val: 13 }] ...

TypeError: "x" is not a function - JavaScript
the javascript exception "is not a function" occurs when there was an attempt to call a value from a function, but the value is not actually a function.
... message typeerror: object doesn't support property or method {x} (edge) typeerror: "x" is not a function error type typeerror what went wrong?
... var dog = function () { this.age = 11; this.color = "black"; this.name = "ralph"; return this; } dog.prototype.name = function(name) { this.name = name; return this; } var mynewdog = new dog(); mynewdog.name("cassidy"); //uncaught typeerror: mynewdog.name is not a function use a different property name instead: var dog = function () { this.age = 11; this.color = "black"; this.dogname = "ralph"; //using this.dogname instead of .name ret...
...urn this; } dog.prototype.name = function(name) { this.dogname = name; return this; } var mynewdog = new dog(); mynewdog.name("cassidy"); //dog { age: 11, color: 'black', dogname: 'cassidy' } using brackets for multiplication in math, you can write 2 × (3 + 5) as 2*(3 + 5) or just 2(3 + 5).

SyntaxError: redeclaration of formal parameter "x" - JavaScript
the javascript exception "redeclaration of formal parameter" occurs when the same variable name occurs as a function parameter and is then redeclared using a let assignment in a function body again.
... message syntaxerror: let/const redeclaration (edge) syntaxerror: redeclaration of formal parameter "x" (firefox) syntaxerror: identifier "x" has already been declared (chrome) error type syntaxerror what went wrong?
... examples redeclared argument in this case, the variable "arg" redeclares the argument.
... function f(arg) { let arg = 'foo'; } // syntaxerror: redeclaration of formal parameter "arg" if you want to change the value of "arg" in the function body, you can do so, but you do not need to declare the same variable again.

ReferenceError: assignment to undeclared variable "x" - JavaScript
the javascript strict mode-only exception "assignment to undeclated variable" occurs when the value has been assigned to an undeclared variable.
... message referenceerror: assignment to undeclared variable "x" (firefox) referenceerror: "x" is not defined (chrome) referenceerror: variable undefined in strict mode (edge) error type referenceerror warning in strict mode only.
... examples invalid cases in this case, the variable "bar" is an undeclared variable.
... function foo() { 'use strict'; bar = true; } foo(); // referenceerror: assignment to undeclared variable bar valid cases to make "bar" a declared variable, you can add the var keyword in front of it.

TypeError: invalid assignment to const "x" - JavaScript
the javascript exception "invalid assignment to const" occurs when it was attempted to alter a constant value.
... message typeerror: invalid assignment to const "x" (firefox) typeerror: assignment to constant variable.
...this means that you can't mutate the value stored in a variable: const obj = {foo: 'bar'}; obj = {foo: 'baz'}; // typeerror: invalid assignment to const `obj' but you can mutate the properties in a variable: obj.foo = 'baz'; obj; // object { foo: "baz" } ...

TypeError: "x" is not a non-null object - JavaScript
the javascript exception "is not a non-null object" occurs when an object is expected somewhere and wasn't provided.
... message typeerror: invalid descriptor for property {x} (edge) typeerror: "x" is not a non-null object (firefox) typeerror: property description must be an object: "x" (chrome) typeerror: invalid value used in weak set (chrome) error type typeerror what went wrong?
... var ws = new weakset(); ws.add('foo'); // typeerror: "foo" is not a non-null object use objects instead: ws.add({foo: 'bar'}); ws.add(window); ...

Error: Permission denied to access property "x" - JavaScript
the javascript exception "permission denied to access property" occurs when there was an attempt to access an object for which you have no permission.
... message error: permission denied to access property "x" error type error.
... examples no permission to access document <!doctype html> <html> <head> <iframe id="myframe" src="http://www1.w3c-test.org/common/blank.html"></iframe> <script> onload = function() { console.log(frames[0].document); // error: permission denied to access property "document" } </script> </head> <body></body> </html> ...

TypeError: "x" is read-only - JavaScript
the javascript strict mode-only exception "is read-only" occurs when a global variable or object property that was assigned to is a read-only property.
... message typeerror: assignment to read-only properties is not allowed in strict mode (edge) typeerror: "x" is read-only (firefox) typeerror: 0 is read-only (firefox) typeerror: cannot assign to read only property 'x' of #<object> (chrome) typeerror: cannot assign to read only property '0' of [object array] (chrome) error type typeerror what went wrong?
... the global variable undefined is also read-only, so you can't silence the infamous "undefined is not a function" error by doing this: 'use strict'; undefined = function() {}; // typeerror: "undefined" is read-only valid cases 'use strict'; var obj = object.freeze({name: 'score', points: 157}); obj = {name: obj.name, points: 0}; // replacing it with a new object works 'use strict'; var lung_count = 2; // a `var` works, because it's not read-only lung_count = 3; // ok (an...

ReferenceError: reference to undefined property "x" - JavaScript
the javascript warning "reference to undefined property" occurs when a script attempted to access an object property which doesn't exist.
... message referenceerror: reference to undefined property "x" (firefox) error type (firefox only) referenceerror warning which is reported only if javascript.options.strict preference is set to true.
... var foo = {}; foo.bar; // referenceerror: reference to undefined property "bar" valid cases to avoid the error, you need to either add a definition for bar to the object or check for the existence of the bar property before trying to access it; one way to do that is to use the object.prototype.hasownproperty() method), like this: var foo = {}; // define the bar property foo.bar = 'moon'; console.log(foo.bar); // "moon" // test to be sure bar exists before accessing it if (...

TypeError: variable "x" redeclares argument - JavaScript
the javascript strict mode-only exception "variable redeclares argument" occurs when the same variable name occurs as a function parameter and is then redeclared using a var assignment in a function body again.
... message typeerror: variable "x" redeclares argument (firefox) error type typeerror warning in strict mode only.
... examples invalid cases in this case, the variable "arg" redeclares the argument.

<input type="datetime"> - HTML: Hypertext Markup Language
the html <input type="datetime"> was a control for entering a date and time (hour, minute, second, and fraction of a second) as well as a timezone.
... instead, browsers are implementing (and developers are encouraged to use) <input type="datetime-local">.

TypeError: property "x" is non-configurable and can't be deleted - JavaScript
the javascript exception "property is non-configurable and can't be deleted" occurs when it was attempted to delete a property, but that property is non-configurable.
... message typeerror: calling delete on 'x' is not allowed in strict mode (edge) typeerror: property "x" is non-configurable and can't be deleted.

TypeError: "x" is not a constructor - JavaScript
the javascript exception "is not a constructor" occurs when there was an attempt to use an object or a variable as a constructor, but that object or variable is not a constructor.
... message typeerror: object doesn't support this action (edge) typeerror: "x" is not a constructor typeerror: math is not a constructor typeerror: json is not a constructor typeerror: symbol is not a constructor typeerror: reflect is not a constructor typeerror: intl is not a constructor typeerror: atomics is not a constructor error type typeerror what went wrong?

The "why" of web performance - Learn web development
overview: performance next in this module the "why" of web performance what is web performance?

Firefox and the "about" protocol
about:downloads displays all downloads done within firefox about:home start page of firefox when opening a new window about:license displays licensing information about:logo firefox logo about:memory provides a way to display memory usage, save it as report and run the gc and cc about:mozilla special page showing a message from "the book of mozilla" about:networking displays networking information about:newtab start page when opening a new tab about:performance displays memory and performance information about firefox subprocesses/add-ons/tabs about:plugins displays information about installed plugins about:policies lists out the firefox for enterprise policies ...

TypeError: "x" has no properties - JavaScript
the javascript exception "null (or undefined) has no properties" occurs when you attempt to access properties of null and undefined.

Key Values - Web APIs
keyboardevent.key value description virtual keycode windows mac linux android "unidentified" the user agent wasn't able to map the event's virtual keycode to a specific key value.
... keyboardevent.key value description virtual keycode windows mac linux android "alt" [5] the alt (alternative) key.
... vk_menu (0x12) vk_lmenu (0xa4) vk_rmenu (0xa5) kvk_option (0x3a) kvk_rightoption (0x3d) gdk_key_alt_l (0xffe9) gdk_key_alt_r (0xffea) qt::key_alt (0x01000023) keycode_alt_left (57) keycode_alt_right (58) "altgraph" [5] the altgr or altgraph (alternate graphics) key.
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Index
11 fips mode - an explanation nss nss has a "fips mode" that can be enabled when nss is compiled in a specific way.
... (note: mozilla does not distribute a "fips mode"-ready nss with firefox.) this page attempts to provide an informal explanation of what it is, who would use it, and why.
...the bug fixes in nss 3.14.1 are described in the "bugs fixed" section below.
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MathML Torture Test
mathml torture test html content <p> render mathematics with: <select name="mathfont" id="mathfont"> <option value="default" selected="selected">default fonts</option> <option value="asana">asana</option> <option value="cambria">cambria</option> <option value="dejavu">dejavu</option> <option value="latinmodern">latin modern</option> <option value="libertinus">libertinus</option> <option value="lucidabright">lucida bright</option> <option value="minion">minion</option> <option value="stixtwo">stix two</option> <option value="texgyrebonum">tex gyre bonum</option> <option value="texgyrepagella">tex gyre pagella</option> <option value="texgyreschola">tex gyre schola</option> <option value="texgyretermes">tex gyre termes</option>...
... <option value="xits">xits</option> </select> <br/> </p> <table> <tr> <td></td> <th scope="col">as rendered by tex</th> <th scope="col">as rendered by your browser</th></tr> <tr> <td>1</td> <td><img src="https://udn.realityripple.com/samples/45/d5a0dbbca3.png" width="38" height="22" alt="texbook, 16.2-16.3" /></td> <td> <math display="block"> <mrow> <msup> <mi>x</mi> <mn>2</mn> </msup> <msup> <mi>y</mi> <mn>2</mn> </msup> </mrow> </math> </td></tr> <tr> <td>2</td> <td><img src="https://udn.realityripple.com/samples/b8/da4a50ea34.png" width="30" height="17" alt="texbook, 16.2-16.3" /></td> <td> <math display...
...="block"> <!-- <mrow> <msub><mi></mi><mn>2</mn></msub> <msub><mi>f</mi><mn>3</mn></msub> </mrow> --> <mrow> <mmultiscripts> <mi>f</mi> <mn>3</mn><none/> <mprescripts/> <mn>2</mn><none/> </mmultiscripts> </mrow> </math> </td></tr> <tr> <td>3</td> <td><img src="https://udn.realityripple.com/samples/8a/1d0e6e073c.png" width="58" height="47" alt="texbook, 17-17.1" /></td> <td> <math display="block"> <mrow> <mfrac> <mrow> <mi>x</mi> <mo>+</mo> <msup> <mi>y</mi> <mn>2</mn> </msup> </mrow>...
...And 128 more matches

Index - Web APIs
a new promise is created every time the animation enters the "pending" play state as well as when the animation is canceled, since in both of those scenarios, the animation is ready to be started again.
...for an "animationstart" event, elapsedtime is 0.0 unless there was a negative value for animation-delay, in which case the event will be fired with elapsedtime containing (-1 * delay).
... 90 animationevent.initanimationevent() api, animationevent, cssom, method, obsolete, web animations the animationevent.initanimationevent() method initializes an animation event created using the deprecated document.createevent("animationevent") method.
...And 106 more matches

Creating localizable web applications
bad: <html lang="en"> snippet 2.
... good: css: html[dir='rtl'] foo { /* rtl-specific rules for the foo element */ } body.rtl foo { /* rtl-specific rules for the foo element */ } html/php: <?php function isrtl($locale) { $rtl_locales = array('ar', 'fa', 'he'); return in_array($locale, $rtl_locales); } ?> <html lang="<?= $locale?>" dir="<?= isrtl($locale) ?
... 'rtl' : 'ltr' ?>" > <body class="<?= $locale?> <?= isrtl($locale) ?
...And 98 more matches

MCD, Mission Control Desktop, AKA AutoConfig - Archive of obsolete content
situation int-evry manages about 3000 users (mostly students) who share computers in labs and "self service" computer rooms.
...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");.
...And 85 more matches

Mozilla's DOCTYPE sniffing - Archive of obsolete content
any "doctype html system" as opposed to "doctype html public", except for the ibm doctype noted below a doctype declaration without a dtd, i.e., <!doctype html>.
... any unknown doctype, which should include the following (technically known) doctypes: the public identifier "-//w3c//dtd html 4.01//en".
... the public identifier "-//w3c//dtd html 4.0//en".
...And 85 more matches

Using IndexedDB - Web APIs
window.indexeddb = window.indexeddb || window.mozindexeddb || window.webkitindexeddb || window.msindexeddb; // don't use "var indexeddb = ..." if you're not in a function.
... // moreover, you may need references to some window.idb* objects: window.idbtransaction = window.idbtransaction || window.webkitidbtransaction || window.msidbtransaction || {read_write: "readwrite"}; // this line should only be needed if it is needed to support the object's constants for older browsers window.idbkeyrange = window.idbkeyrange || window.webkitidbkeyrange || window.msidbkeyrange; // (mozilla has never prefixed these objects, so we don't need window.mozidb*) beware that implementations that use a prefix may be buggy, or incomplete, or following an old version of the specification.
...it may be preferable to not support a browser than to claim to support it and fail: if (!window.indexeddb) { console.log("your browser doesn't support a stable version of indexeddb.
...And 81 more matches

Parser API
example: > var expr = reflect.parse("obj.foo + 42").body[0].expression > expr.left.property ({loc:null, type:"identifier", name:"foo"}) > expr.right ({loc:{source:null, start:{line:1, column:10}, end:{line:1, column:12}}, type:"literal", value:42}) it is also available since firefox 7; it can be imported into the global object via: components.utils.import("resource://gre/modules/reflect.jsm") or into a specified object via: com...
...ponents.utils.import("resource://gre/modules/reflect.jsm", obj) built-in objects whether in spidermonkey shell or firefox (after importing), the global singleton object reflect currently contains just the parse method.
...d an end position (the position of the first character after the parsed source region): interface sourcelocation { source: string | null; start: position; end: position; } each position object consists of a line number (1-indexed) and a column number (0-indexed): interface position { line: uint32 >= 1; column: uint32 >= 0; } programs interface program <: node { type: "program"; body: [ statement ]; } a complete program source tree.
...And 78 more matches

jspage - Archive of obsolete content
var mootools={version:"1.2.4",build:"0d9113241a90b9cd5643b926795852a2026710d4"};var native=function(k){k=k||{};var a=k.name;var i=k.legacy;var b=k.protect; var c=k.implement;var h=k.generics;var f=k.initialize;var g=k.afterimplement||function(){};var d=f||i;h=h!==false;d.constructor=native;d.$family={name:"native"}; if(i&&f){d.prototype=i.prototype;}d.prototype.constructor=d;if(a){var e=a.tolowercase();d.prototype.$family={name:e};native.typize(d,e);}var j=function(n,l,o,m){if(!b||m||!n.prototype[l]){n.prototype[l]=o; }if(h){native.genericize(n,l,b);}g.call(n,l,o);return n;};d.alias=function(n,l,p){if(typeof n=="string"){var o=this.prototype[n];if((n=o)){return j(this,l,n,p); }}for(var m in n){this.alias(m,n[m],l);}return this;};d.implement=function(m,l,o){if(typeof m=="string"){ret...
...urn j(this,m,l,o);}for(var n in m){j(this,n,m[n],l); }return this;};if(c){d.implement(c);}return d;};native.genericize=function(b,c,a){if((!a||!b[c])&&typeof b.prototype[c]=="function"){b[c]=function(){var d=array.prototype.slice.call(arguments); return b.prototype[c].apply(d.shift(),d);};}};native.implement=function(d,c){for(var b=0,a=d.length;b<a;b++){d[b].implement(c);}};native.typize=function(a,b){if(!a.type){a.type=function(c){return($type(c)===b); };}};(function(){var a={array:array,date:date,function:function,number:number,regexp:regexp,string:string};for(var h in a){new native({name:h,initialize:a[h],protect:true}); }var d={"boolean":boolean,"native":native,object:object};for(var c in d){native.typize(d[c],c);}var f={array:["concat","indexof","join","lastindexof","pop","push","rever...
...se","shift","slice","sort","splice","tostring","unshift","valueof"],string:["charat","charcodeat","concat","indexof","lastindexof","match","replace","search","slice","split","substr","substring","tolowercase","touppercase","valueof"]}; for(var e in f){for(var b=f[e].length;b--;){native.genericize(a[e],f[e][b],true);}}})();var hash=new native({name:"hash",initialize:function(a){if($type(a)=="hash"){a=$unlink(a.getclean()); }for(var b in a){this[b]=a[b];}return this;}});hash.implement({foreach:function(b,c){for(var a in this){if(this.hasownproperty(a)){b.call(c,this[a],a,this); }}},getclean:function(){var b={};for(var a in this){if(this.hasownproperty(a)){b[a]=this[a];}}return b;},getlength:function(){var b=0;for(var a in this){if(this.hasownproperty(a)){b++; }}return b;}});hash.alias("foreac...
...And 77 more matches

Index - Archive of obsolete content
or for "reasons," your company is required to use very old software and you need to build web content that runs on that software.
... 15 communicating using "port" to enable add-on scripts and content scripts to communicate with each other, each end of the conversation has access to a port object.
... 16 communicating using "postmessage" add-on sdk no summary!
...And 76 more matches

Editor Embedding Guide - Archive of obsolete content
nscomptr<nsieditingsession> editingsession; nsiwebbrowser->do_getinterface(getter_addrefs(editingsession)); if (editingsession) editingsession->makewindoweditable(domwindow, "html", pr_true); the valid editor types are: "text" (similar to notepad or a textarea; does not allow for html) "textmail" (similar to "text" but html can be inserted; intended for plaintext mail usage and handling of citations) "html" (this is the default type if no type is specified; it allows for all html tags to be inserted) "htmlmail" (this is much like "html" except there are a few ed...
... getcommandstate "state_all"(boolean), "state_begin"(boolean), "state_end"(boolean), "state_mixed"(boolean), "state_enabled" (boolean) docommand no parameters example normal bold cmd_italics toggles italics style on selection.
... getcommandstate "state_all"(boolean), "state_begin"(boolean), "state_end"(boolean), "state_mixed"(boolean), "state_enabled" (boolean) docommand no parameters example normal italics cmd_underline toggles underline on selection.
...And 71 more matches

Enc Dec MAC Using Key Wrap CertReq PKCS10 CSR
*/ /* nspr headers */ #include <prthread.h> #include <plgetopt.h> #include <prerror.h> #include <prinit.h> #include <prlog.h> #include <prtypes.h> #include <plstr.h> /* nss headers */ #include <keyhi.h> #include <pk11priv.h> /* our samples utilities */ #include "util.h" /* constants */ #define blocksize 32 #define modblocksize 128 #define default_key_bits 1024 /* header file constants */ #define enckey_header "-----begin wrapped enckey-----" #define enckey_trailer "-----end wrapped enckey-----" #define mackey_header "-----begin wrapped mackey-----" #define mackey_trailer "-----end wrapped ma...
...ckey-----" #define iv_header "-----begin iv-----" #define iv_trailer "-----end iv-----" #define mac_header "-----begin mac-----" #define mac_trailer "-----end mac-----" #define pad_header "-----begin pad-----" #define pad_trailer "-----end pad-----" #define lab_header "-----begin key label-----" #define lab_trailer "-----end key label-----" #define pubkey_header "-----begin pub key -----" #define pubkey_trailer "-----end pub key -----" #define ns_certreq_header "-----begin new certificate request-----" #define ns_certreq_trailer "-----end new certificate request-----" #define ns_cert_enc_header "-----begin certificate for encryption-----" #define ns_cert_enc_trailer ...
... "-----end certificate for encryption-----" #define ns_cert_vfy_header "-----begin certificate for signature verification-----" #define ns_cert_vfy_trailer "-----end certificate for signature verification-----" #define ns_sig_header "-----begin signature-----" #define ns_sig_trailer "-----end signature-----" #define ns_cert_header "-----begin certificate-----" #define ns_cert_trailer "-----end certificate-----" /* sample 6 commands */ typedef enum { generate_csr, add_cert_to_db, save_cert_to_header, encrypt, decrypt, sign, verify, unknown } commandtype; typedef enum { symkey = 0, mackey = 1, iv = 2, mac = 3, pad = 4, pubkey = 5, lab = 6, certenc= 7, certvfy= 8,...
...And 67 more matches

The HTML autocomplete attribute - HTML: Hypertext Markup Language
in order to provide autocompletion, user-agents might require <input>/<select>/<textarea> elements to: have a name and/or id attribute be descendants of a <form> element the form to have a submit button values "off" the browser is not permitted to automatically enter or select a value for this field.
... note: in most modern browsers, setting autocomplete to "off" will not prevent a password manager from asking the user if they would like to save username and password information, or from automatically filling in those values in a site's login form.
... "on" the browser is allowed to automatically complete the input.
...And 66 more matches

Eclipse CDT
download "eclipse ide for c/c++ developers" (not eclipse ide for enterprise java developers) from the eclipse download page, install it, and add the directory containing the eclipse binary to your path (/applications/eclipse.app/contents/eclipse/ on mac).
...set an initial heap space of 1 gb and max heap space of 5 gb, say, by modifying the values of the following two lines in eclipse.ini: -xms1g -xmx5g if you fail to increase these limits, then you will likely find that eclipse either hangs when it tries to index the mozilla source or else that the code intelligence is very broken after the indexing "completes".
... since the compiler options used to build the source change relatively infrequently, the "build" step above doesn't need to be rerun all that often.
...And 64 more matches

Eclipse CDT Manual Setup
to be able to provide really good code assistance for a project's source code, ides like eclipse need to carry out a thorough static analysis of the project's source files, to build up a picture of the code (what eclipse is trying to do when it "indexes" the source.) static analysis involves parsing the source files, so naturally it can only produce good results if it has a sensible set of preprocessor defines, include paths and pre-include files for each source file.
...this process is sometimes called "build option discovery" or "compiler option discovery".
...the build must be explicitly instructed to output information that allows the directory, where the compiler is being invoked from to be identified (i.e., 'make' must be instructed to output "entering directory..."/"leaving directory..." lines).
...And 62 more matches

Localizing with Koala
for the purposes of this tutorial, the locale code that we will use will be called "x-testing".
... in a real-life situation, that would become for example "de" (for german) or "es-es" (for spanish in spain).
... translating to x-testing will basically consist of converting any strings to uppercase, for example "file" in original version (en-us) will become "file" in x-testing.
...And 61 more matches

Box-shadow generator - CSS: Cascading Style Sheets
box-shadow generator html content <div id="container"> <div class="group section"> <div id="layer_manager"> <div class="group section"> <div class="button" data-type="add"> </div> <div class="button" data-type="move-up"> </div> <div class="button" data-type="move-down"> </div> </div> <div id="stack_container"></div> </div> <div id="preview_zone"> <div id="layer_menu" class="col span_12"> <div class="button" id="element" data-type="subject" data-title="element"> element </div> <div class="button" id="before" data-type="subject"...
... data-title=":before"> :before <span class="delete" data-type="disable"></span> </div> <div class="button" id="after" data-type="subject" data-title=":after"> :after <span class="delete" data-type="disable"></span> </div> <div class="ui-checkbox" data-topic='before' data-label=":before"></div> <div class="ui-checkbox" data-topic='after' data-label=":after"></div> </div> <div id="preview"> <div id="obj-element"> <div class="content"> </div> <div id="obj-before"> </div> <div id="obj-after"> </div> </div> </di...
...v> </div> </div> <div id="controls" class="group section"> <div class="wrap-left"> <div class="colorpicker category"> <div class="title"> </div> <div id="colorpicker" class="group"> <div id="gradient" class="gradient"> <div id="gradient_picker"> </div> </div> <div id="hue" data-topic="hue" 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> ...
...And 61 more matches

Chapter 3: Introduction to XUL—How to build a more intuitive UI - Archive of obsolete content
window.opendialog('another.xul', '_blank','chrome,all,dialog=no'); listing 1: opening a window without the firefox gui xul as an xml application listing 2 shows an example of a gui definition file marked up in xul (a "xul document").
... the root element in xul is generally the "window" element.
... <?xml version="1.0" encoding="utf-8"?> <?xml-stylesheet href="chrome://global/skin/"?> <window xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"> <!-- contents go here.
...And 60 more matches

sslfnc.html
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.
... 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.
... syntax #include "nss.h" secstatus nss_nodb_init(char *reserved); parameter this function has the following parameter: reserved should be null..
...And 60 more matches

sslerr.html
ssl error codes sec error codes ssl error codes table 8.1 error codes defined in sslerr.h constant value description ssl_error_export_only_server -12288 "unable to communicate securely.
... peer does not support high-grade encryption." the local system was configured to support the cipher suites permitted for domestic use.
... ssl_error_us_only_server -12287 "unable to communicate securely.
...And 59 more matches

Regular expression syntax cheatsheet - JavaScript
for example, /.y/ matches "my" and "ay", but not "yes", in "yes make my day".
... es2018 added the s "dotall" flag, which allows the dot to also match line terminators.
...for example, /\d/ or /[0-9]/ matches "2" in "b2 is the suite number".
...And 59 more matches

sample2
nclude <plgetopt.h> #include <prerror.h> #include <prinit.h> #include <prlog.h> #include <prtypes.h> #include <plstr.h> /* nss headers */ #include <cryptohi.h> #include <keyhi.h> #include <pk11priv.h> #include <cert.h> #include <base64.h> #include <secerr.h> #include <secport.h> #include <secoid.h> #include <secmodt.h> #include <secoidt.h> #include <sechash.h> /* our samples utilities */ #include "util.h" /* constants */ #define blocksize 32 #define modblocksize 128 #define default_key_bits 1024 /* header file constants */ #define enckey_header "-----begin wrapped enckey-----" #define enckey_trailer "-----end wrapped enckey-----" #define mackey_header "-----begin wrapped mackey-----" #define mackey_trailer "-----end wrapped mackey-----" #define iv_header "-----begin iv-----" #define iv_trai...
...ler "-----end iv-----" #define mac_header "-----begin mac-----" #define mac_trailer "-----end mac-----" #define pad_header "-----begin pad-----" #define pad_trailer "-----end pad-----" #define lab_header "-----begin key label-----" #define lab_trailer "-----end key label-----" #define pubkey_header "-----begin pub key -----" #define pubkey_trailer "-----end pub key -----" #define ns_certreq_header "-----begin new certificate request-----" #define ns_certreq_trailer "-----end new certificate request-----" #define ns_cert_enc_header "-----begin certificate for encryption-----" #define ns_cert_enc_trailer "-----end certificate for encryption-----" #define ns_cert_vfy_header "-----begin certificate for signature verification-----" #define ns_cert_vfy_trailer "-----end certificate for signature ...
...verification-----" #define ns_sig_header "-----begin signature-----" #define ns_sig_trailer "-----end signature-----" #define ns_cert_header "-----begin certificate-----" #define ns_cert_trailer "-----end certificate-----" /* missing publically from nss versions earlier than 3.13 */ #ifndef sec_error_base #define sec_error_base (-0x2000) typedef enum { sec_error_io = sec_error_base + 0, sec_error_token_not_logged_in = (sec_error_base + 155), sec_error_end_of_list } secerrorcodes; #endif /* port_errortostring introduced in nss 3.13.
...And 57 more matches

JXON - Archive of obsolete content
conversion snippets now imagine you have this sample xml document: example.xml <?xml version="1.0"?> <!doctype catalog system "catalog.dtd"> <catalog> <product description="cardigan sweater"> <catalog_item gender="men's"> <item_number>qwz5671</item_number> <price>39.95</price> <size description="medium"> <color_swatch image="red_cardigan.jpg">red</color_swatch> <color_swatch image="burgundy_cardigan.jpg">burgundy</color_swatch> </size> <size desc...
...ription="large"> <color_swatch image="red_cardigan.jpg">red</color_swatch> <color_swatch image="burgundy_cardigan.jpg">burgundy</color_swatch> </size> </catalog_item> <catalog_item gender="women's"> <item_number>rrx9856</item_number> <discount_until>dec 25, 1995</discount_until> <price>42.50</price> <size description="medium"> <color_swatch image="black_cardigan.jpg">black</color_swatch> </size> </catalog_item> </product> <script type="text/javascript"><![cdata[function matchwo(a,b) { if (a < b && a < 0) { return 1; } else { return 0; } }]]></script> </catalog> first, create a dom tree like the previous example as described in the how to create a dom tree article.
...|*| http://www.gnu.org/licenses/gpl-3.0-standalone.html |*| \*/ function parsetext (svalue) { if (/^\s*$/.test(svalue)) { return null; } if (/^(?:true|false)$/i.test(svalue)) { return svalue.tolowercase() === "true"; } if (isfinite(svalue)) { return parsefloat(svalue); } if (isfinite(date.parse(svalue))) { return new date(svalue); } return svalue; } function jxontree (oxmlparent) { var nattrlen = 0, nlength = 0, scollectedtxt = ""; if (oxmlparent.haschildnodes()) { for (var onode, sprop, vcontent, nitem = 0; nitem < oxmlparent.childnodes.length; nitem++) { onode = oxmlparent.childno...
...And 55 more matches

StringView - Archive of obsolete content
the code stringview.js "use strict"; /*\ |*| |*| :: number.isinteger() polyfill :: |*| |*| /docs/web/javascript/reference/global_objects/number/isinteger |*| \*/ if (!number.isinteger) { number.isinteger = function isinteger (nval) { return typeof nval === "number" && isfinite(nval) && nval > -9007199254740992 && nval < 9007199254740992 && math.floor(nval) === nval; }; } /*\ |*| |*| stringview mdndeveloper ...
...noffset : 0, ntranscrtype = 15; if (sencoding) { this.encoding = sencoding.tostring(); } encswitch: switch (this.encoding) { case "utf-8": fputoutptcode = stringview.pututf8charcode; fgetoutptchrsize = stringview.getutf8charlength; ftaview = uint8array; break encswitch; case "utf-16": fputoutptcode = stringview.pututf16charcode; fgetoutptchrsize = stringview.getutf16charlength; ftaview = uint16array; break encswitch; case "utf-32": ftaview = uint32array; ntra...
...nscrtype &= 14; break encswitch; default: /* case "ascii", or case "binarystring" or unknown cases */ ftaview = uint8array; ntranscrtype &= 14; } typeswitch: switch (typeof vinput) { case "string": /* the input argument is a primitive string: a new buffer will be created.
...And 52 more matches

Web Accessibility: Understanding Colors and Luminance - Accessibility
when speaking of color contrast, w3c formulas are actually incorporating luminance, not just the colors ("hues") themselves.
..."luminance" and "saturation" are particularly important to get right.
... for example, "saturation" is known as "chroma" in some circles.
...And 52 more matches

Enc Dec MAC Output Public Key as CSR
*/ /* nspr headers */ #include #include #include #include #include #include #include /* nss headers */ #include #include #include #include #include #include #include #include #include #include #include #include /* our samples utilities */ #include "util.h" #define buffersize 80 #define digestsize 16 #define ptext_mac_buffer_size 96 #define ciphersize 96 #define blocksize 32 #define default_key_bits 1024 #define cipher_header "-----begin cipher-----" #define cipher_trailer "-----end cipher-----" #define enckey_header "-----begin wrapped enckey-----" #define enckey_tra...
...iler "-----end wrapped enckey-----" #define mackey_header "-----begin wrapped mackey-----" #define mackey_trailer "-----end wrapped mackey-----" #define iv_header "-----begin iv-----" #define iv_trailer "-----end iv-----" #define mac_header "-----begin mac-----" #define mac_trailer "-----end mac-----" #define pad_header "-----begin pad-----" #define pad_trailer "-----end pad-----" #define lab_header "-----begin key label-----" #define lab_trailer "-----end key label-----" #define pubkey_header "-----begin pub key -----" #define pubkey_trailer "-----end pub key -----" #define ns_certreq_header "-----begin new certificate request-----" #define ns_certreq_trailer "-...
...----end new certificate request-----" typedef enum { gen_csr, encrypt, decrypt, unknown } commandtype; typedef enum { symkey = 0, mackey = 1, iv = 2, mac = 3, pad = 4, pubkey = 5, lab = 6 } headertype; /* this is conditionalized because port_errortostring was introduced with nss 3.13.
...And 51 more matches

RDF in Mozilla FAQ - Archive of obsolete content
second, and more importantly, the rdf model is used along with xul templates as an abstract "api" for displaying information.
... where do i find information on open directory ("dmoz")?
... rdf can generally be viewed in two ways: either as a graph with nodes and arcs, or as a "soup" of logical statements.
...And 49 more matches

Index
if the component uses only "frozen" xpcom interfaces, there is a good chance the same binary component will work with different versions of gecko (version 1.8 and 1.9, for example).
... the more likely case is that the component uses "unfrozen" interfaces and those interfaces can change between gecko versions.
... 42 components.utils.isxraywrapper when privileged javascript in gecko accesses objects belonging to less-privileged code (such as untrusted web content), it does so, by default, with "xray vision": a mechanism that filters out certain changes to the objects that could cause them to behave in unexpected ways.
...And 47 more matches

Using XMLHttpRequest - Web APIs
function reqlistener () { console.log(this.responsetext); } var oreq = new xmlhttprequest(); oreq.addeventlistener("load", reqlistener); oreq.open("get", "http://www.example.org/example.txt"); oreq.send(); types of requests a request made via xmlhttprequest can fetch the data in one of two ways, asynchronously or synchronously.
...it starts with "xml" because when it was created the main format that was originally used for asynchronous data exchange were xml handling responses there are several types of response attributes defined by the living standard specification for the xmlhttprequest() constructor.
...however, this method is a "last resort" since if the xml code changes slightly, the method will likely fail.
...And 46 more matches

Index - MDN Web Docs Glossary: Definitions of Web-related terms
3 502 502, bad gateway, glossary, http errors, infrastructure, navigation an http error code meaning "bad gateway".
... 34 block (scripting) codingscripting, glossary, javascript in javascript, a block is a collection of related statements enclosed in braces ("{}").
... 35 block cipher mode of operation block cipher mode of operation, cryptography, glossary, 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.
...And 44 more matches

ARIA Test Cases - Accessibility
or copy-paste: http://oaa-accessibility.org/examples/ for each example we test the "expected" results with assistive technologies, for each browser that at supports wai-aria in.
...still, dojo's widgets implement aria, and the noted test files could be used as an "aria test file".
...for example, "options, button, alt+shift+t" should be spoken if there is an options button in the alert with alt+shift+t as an accesskey.
...And 44 more matches

Migrate apps from Internet Explorer to Mozilla - Archive of obsolete content
var elm; if (ns4) elm = document.layers["myid"]; else if (ie4) elm = document.all["myid"] the above code isn't extensible, so if you want it to support a new browser, you must update these blocks throughout the web application.
...not only does this make the code easier to read, it simplifies adding support for new clients: var elm = getelmbyid("myid"); function getelmbyid(aid){ var element = null; if (ismozilla || isie5) element = document.getelementbyid(aid); else if (isnetscape4) element = document.layers[aid]; else if (isie4) element = document.all[aid]; return element; } the above code still has the issue of browser sniffing, or detecting which browser the user is using.
...to get an array of all elements in the dom tree, you can use getelementsbytagname("*").
...And 42 more matches

Encrypt Decrypt_MAC_Using Token
*/ /* nspr headers */ #include #include #include #include #include #include #include /* nss headers */ #include #include /* our samples utilities */ #include "util.h" #define buffersize 80 #define digestsize 16 #define ptext_mac_buffer_size 96 #define ciphersize 96 #define blocksize 32 #define cipher_header "-----begin cipher-----" #define cipher_trailer "-----end cipher-----" #define enckey_header "-----begin aeskey ckaid-----" #define enckey_trailer "-----end aeskey ckaid----...
...-" #define mackey_header "-----begin mackey ckaid-----" #define mackey_trailer "-----end mackey ckaid-----" #define iv_header "-----begin iv-----" #define iv_trailer "-----end iv-----" #define mac_header "-----begin mac-----" #define mac_trailer "-----end mac-----" #define pad_header "-----begin pad-----" #define pad_trailer "-----end pad-----" typedef enum { encrypt, decrypt, unknown } commandtype; typedef enum { symkey = 0, mackey = 1, iv = 2, mac = 3, pad = 4 } headertype; /* * print usage message and exit.
... */ static void usage(const char *progname) { fprintf(stderr, "\nusage: %s -c -d [-z ] " "[-p | -f ] -i -o \n\n", progname); fprintf(stderr, "%-20s specify 'a' for encrypt operation\n\n", "-c "); fprintf(stderr, "%-20s specify 'b' for decrypt operation\n\n", " "); fprintf(stderr, "%-20s specify db directory path\n\n", "-d "); fprintf(stderr, "%-20s specify db password [optional]\n\n", "-p "); fprintf(stderr, "%-20s specify db password file [optional]\n\n", "-f "); fprintf(stderr, "%-20s specify noise file name [optional]\n\n", "-z "); fprintf(stderr, "%-21s specify an input file name\n\n", "-i "); fprintf(stderr, "%-21s specify an...
...And 41 more matches

<input>: The Input (Form Input) element - HTML: Hypertext Markup Language
<input type="button" name="button" /> checkbox a check box allowing single values to be selected/deselected.
... <input type="checkbox" name="checkbox"/> color a control for specifying a color; opening a color picker when active in supporting browsers.
... <input type="color" name="color"/> html5 date a control for entering a date (year, month, and day, with no time).
...And 41 more matches

File I/O - Archive of obsolete content
creating an nsifile object components.utils.import("resource://gre/modules/fileutils.jsm"); var file = new fileutils.file("/home"); or the same without using fileutils.jsm: var file = components.classes["@mozilla.org/file/local;1"].
... createinstance(components.interfaces.nsilocalfile); file.initwithpath("/home"); note: the path should be in the "native" form (for example"c:\\windows").
... getting files in special directories components.utils.import("resource://gre/modules/fileutils.jsm"); // get the "data.txt" file in the profile directory var file = fileutils.getfile("profd", ["data.txt"]); or the same without using fileutils.jsm: // get profile directory.
...And 40 more matches

DMD
dmd (short for "dark matter detector") is a heap profiler within firefox.
... "dark matter" mode.
...it helps us reduce the "heap-unclassified" value in firefox's about:memory page, and also detects if any heap blocks are reported twice.
...And 38 more matches

Signaling and video calling - Web APIs
this involves a change near the end of the "connection" message handler: if (sendtoclients) { var msgstring = json.stringify(msg); var i; if (msg.target && msg.target !== undefined && msg.target.length !== 0) { sendtooneuser(msg.target, msgstring); } else { for (i=0; i<connectionarray.length; i++) { connectionarray[i].send(msgstring); } } } this code now looks at the pending message to see if it has a target p...
...our signaling server will use websocket to transmit offer messages with the type "video-offer", and answer messages with the type "video-answer".
... these messages have the following fields: type the message type; either "video-offer" or "video-answer".
...And 38 more matches

XUL controls - Archive of obsolete content
<button label="save" accesskey="s"/> more information about the button element.
... button reference <button type="menu"> a button that has a drop down menu attached to it.
... <button type="menu" label="view"> <menupopup> <menuitem label="list"/> <menuitem label="details"/> </menupopup> </button> more information about this type of menu button element.
...And 37 more matches

NSS Sample Code Sample_3_Basic Encryption and MACing
sample code 3 /* nspr headers */ #include <prthread.h> #include <plgetopt.h> #include <prerror.h> #include <prinit.h> #include <prlog.h> #include <prtypes.h> #include <plstr.h> /* nss headers */ #include <keyhi.h> #include <pk11priv.h> /* our samples utilities */ #include "util.h" #define buffersize 80 #define digestsize 16 #define ptext_mac_buffer_size 96 #define ciphersize 96 #define blocksize 32 #define cipher_header "-----begin cipher-----" #define cipher_trailer "-----end cipher-----" #define enckey_header "-----begin aeskey ckaid-----" #define enckey_trailer "-----end aeskey ckaid-----...
..." #define mackey_header "-----begin mackey ckaid-----" #define mackey_trailer "-----end mackey ckaid-----" #define iv_header "-----begin iv-----" #define iv_trailer "-----end iv-----" #define mac_header "-----begin mac-----" #define mac_trailer "-----end mac-----" #define pad_header "-----begin pad-----" #define pad_trailer "-----end pad-----" typedef enum { encrypt, decrypt, unknown } commandtype; typedef enum { symkey = 0, mackey = 1, iv = 2, mac = 3, pad = 4 } headertype; /* print a usage message and exit */ static void usage(const char *progname) { fprintf(stderr, "\nusage: %s -c <a|b> -d <dbdirpath> [-z <noisefilename>] " "[-p <dbpwd> | -f <dbpwdfile...
...>] -i <ipfilename> -o <opfilename>\n\n", progname); fprintf(stderr, "%-20s specify 'a' for encrypt operation\n\n", "-c <a|b>"); fprintf(stderr, "%-20s specify 'b' for decrypt operation\n\n", " "); fprintf(stderr, "%-20s specify db directory path\n\n", "-d <dbdirpath>"); fprintf(stderr, "%-20s specify db password [optional]\n\n", "-p <dbpwd>"); fprintf(stderr, "%-20s specify db password file [optional]\n\n", "-f <dbpwdfile>"); fprintf(stderr, "%-20s specify noise file name [optional]\n\n", "-z <noisefilename>"); fprintf(stderr, "%-21s specify an input file name\n\n", "-i <ipfilename>"); fprintf(stderr, "%-21s specify an output file name\n\n", ...
...And 36 more matches

ui/button/toggle - Archive of obsolete content
when a button is checked it gets a "pressed" look in the user interface (note that the "pressed" look currently does not work in mac os x).
... usage creating buttons to create a button you must give it an id, an icon, and a label: var { togglebutton } = require("sdk/ui/button/toggle"); var button = togglebutton({ id: "my-button", label: "my button", icon: { "16": "./firefox-16.png", "32": "./firefox-32.png" }, onchange: function(state) { console.log(state.label + " checked state: " + state.checked); } }); by default, the button appears in the firefox toolbar: however, users can move it to the firefox menu panel: badged buttons new in firefox 36.
... you can add a "badge" to a button using its badge property.
...And 35 more matches

source-editor.jsm
to use it, you first need to import the code module into your javascript scope: components.utils.import("resource:///modules/source-editor.jsm"); warning: much of the functionality of the source editor is implemented by a secondary code module (by default, source-editor-orion.jsm).
...in addition, when this value changes, the "dirtychanged" event is sent.
... constant value description sourceeditor.prefs.component "devtools.editor.component" a string indicating the name of the source editor engine to use; this is "orion" by default.
...And 35 more matches

Encrypt Decrypt MAC Keys As Session Objects
*/ /* nspr headers */ #include #include #include #include #include #include #include /* nss headers */ #include #include /* our samples utilities */ #include "util.h" #define buffersize 80 #define digestsize 16 #define ptext_mac_buffer_size 96 #define ciphersize 96 #define blocksize 32 #define cipher_header "-----begin cipher-----" #define cipher_trailer "-----end cipher-----" #define enckey_header "-----begin aeskey ckaid-----" #define enckey_trailer "-----end aeskey ckaid----...
...-" #define mackey_header "-----begin mackey ckaid-----" #define mackey_trailer "-----end mackey ckaid-----" #define iv_header "-----begin iv-----" #define iv_trailer "-----end iv-----" #define mac_header "-----begin mac-----" #define mac_trailer "-----end mac-----" #define pad_header "-----begin pad-----" #define pad_trailer "-----end pad-----" typedef enum { encrypt, decrypt, unknown } commandtype; typedef enum { symkey = 0, mackey = 1, iv = 2, mac = 3, pad = 4 } headertype; /* * print usage message and exit */ static void usage(const char *progname) { fprintf(stderr, "\nusage: %s -c -d [-z ] " "[-p | -f ] -i -o \n\n", progname); fp...
...rintf(stderr, "%-20s specify 'a' for encrypt operation\n\n", "-c "); fprintf(stderr, "%-20s specify 'b' for decrypt operation\n\n", " "); fprintf(stderr, "%-20s specify db directory path\n\n", "-d "); fprintf(stderr, "%-20s specify db password [optional]\n\n", "-p "); fprintf(stderr, "%-20s specify db password file [optional]\n\n", "-f "); fprintf(stderr, "%-20s specify noise file name [optional]\n\n", "-z "); fprintf(stderr, "%-21s specify an input file name\n\n", "-i "); fprintf(stderr, "%-21s specify an output file name\n\n", "-o "); fprintf(stderr, "%-7s for encrypt, it takes as an input file and produces\n", "note :"); fprintf(s...
...And 35 more matches

Encrypt and decrypt MAC using token
*/ /* nspr headers */ #include #include #include #include #include #include #include /* nss headers */ #include #include /* our samples utilities */ #include "util.h" #define buffersize 80 #define digestsize 16 #define ptext_mac_buffer_size 96 #define ciphersize 96 #define blocksize 32 #define cipher_header "-----begin cipher-----" #define cipher_trailer "-----end cipher-----" #define enckey_header "-----begin aeskey ckaid-----" #define enckey_trailer "-----end aeskey ckaid----...
...-" #define mackey_header "-----begin mackey ckaid-----" #define mackey_trailer "-----end mackey ckaid-----" #define iv_header "-----begin iv-----" #define iv_trailer "-----end iv-----" #define mac_header "-----begin mac-----" #define mac_trailer "-----end mac-----" #define pad_header "-----begin pad-----" #define pad_trailer "-----end pad-----" typedef enum { encrypt, decrypt, unknown } commandtype; typedef enum { symkey = 0, mackey = 1, iv = 2, mac = 3, pad = 4 } headertype; /* * print usage message and exit */ static void usage(const char *progname) { fprintf(stderr, "\nusage: %s -c -d [-z ] " "[-p | -f ] -i -o \n\n", progname); fp...
...rintf(stderr, "%-20s specify 'a' for encrypt operation\n\n", "-c "); fprintf(stderr, "%-20s specify 'b' for decrypt operation\n\n", " "); fprintf(stderr, "%-20s specify db directory path\n\n", "-d "); fprintf(stderr, "%-20s specify db password [optional]\n\n", "-p "); fprintf(stderr, "%-20s specify db password file [optional]\n\n", "-f "); fprintf(stderr, "%-20s specify noise file name [optional]\n\n", "-z "); fprintf(stderr, "%-21s specify an input file name\n\n", "-i "); fprintf(stderr, "%-21s specify an output file name\n\n", "-o "); fprintf(stderr, "%-7s for encrypt, it takes as an input file and produces\n", "note :"); fprintf(s...
...And 35 more matches

RTCPeerConnection - Web APIs
<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;" viewbox="-50 0 600 70" preserveaspectratio="xminymin meet"><a xlink:href="/docs/web/api/eventtarget" target="_top"><rect x="1" y="1" width="110" height="50" fill="#fff" stroke="#d4dde4" stroke-width="2px" /><text x="56" y="30" font-size="12px" font-family="consolas,monaco,andale mono,monospace" fill="#...
...4d4e53" text-anchor="middle" alignment-baseline="middle">eventtarget</text></a><polyline points="111,25 121,20 121,30 111,25" stroke="#d4dde4" fill="none"/><line x1="121" y1="25" x2="151" y2="25" stroke="#d4dde4"/><a xlink:href="/docs/web/api/rtcpeerconnection" target="_top"><rect x="151" y="1" width="170" height="50" fill="#f4f7f8" stroke="#d4dde4" stroke-width="2px" /><text x="236" y="30" font-size="12px" font-family="consolas,monaco,andale mono,monospace" fill="#4d4e53" text-anchor="middle" alignment-baseline="middle">rtcpeerconnection</text></a></svg></div> a:hover text { fill: #0095dd; pointer-events: all;} constructorrtcpeerconnection() the rtcpeerconnection() constructor returns a newly-created rtcpeerconnection, which represents a connection between the local device a...
...this has an effect only if the signalingstate is not "closed".getreceivers() the rtcpeerconnection.getreceivers() method returns an array of rtcrtpreceiver objects, each of which represents one rtp receiver.
...And 35 more matches

JavaScript Daemons Management - Archive of obsolete content
it also offers an alternative way to pass the this object to the callback functions (see the "this" problem for details).
...|*| http://www.gnu.org/licenses/gpl-3.0.html |*| \*/ "use strict"; /**************************** * the daemon system * ****************************/ /* the global "daemon" constructor */ function daemon (oowner, ftask, nrate, nlen, finit, fonstart) { if (!(this && this instanceof daemon)) { return; } if (arguments.length < 2) { throw new typeerror("daemon - not enough arguments"); } if (oowner) { this.owner = oowner ...
... **/ daemon.construct = function (aargs) { var odmn = new this.blank(); this.apply(odmn, aargs); return odmn; }; daemon.buildaround = function (octx, nrate, nlen) { if (!octx.perform) { throw new typeerror("you cannot create a daemon around an object devoid of a \"perform\" function"); } return new this(octx, octx.perform, nrate || null, nlen || null, octx.create || null, octx.prepare || null); }; /* warning!
...And 34 more matches

nsIDOMWindowUtils
"basic" is unaccelerated; other types are accelerated.
... 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().
...And 34 more matches

WebIDL bindings
"spidermonkey" interfaces are used to represent objects that are implemented natively by the javascript engine (e.g., typed arrays).
... the signatures of the methods correspond to the signatures for throwing idl methods/getters/setters with an additional trailing "mozilla::dom::callbackobject::exceptionhandling aexceptionhandling" argument, defaulting to ereportexceptions.
... "spidermonkey" interfaces typed array, array buffer, and array buffer view arguments are represented by the objects in typedarray.h.
...And 34 more matches

KeyboardEvent: code values - Web APIs
keyboardevent.code value code firefox chrome 0x0000 "unidentified" "" 0x0001 "escape" "escape" 0x0002 "digit0" "digit0" 0x0003 "digit1" "digit1" 0x0004 "digit2" "digit2" 0x0005 "digit3" "digit3" 0x0006 "digit4" "digit4" 0x0007 "digit5" "digit5" 0x0008 "digit6" "digit6" 0x0009 "digit7" "digit7" 0x000a ...
... "digit8" "digit8" 0x000b "digit9" "digit9" 0x000c "minus" "minus" 0x000d "equal" "equal" 0x000e "backspace" "backspace" 0x000f "tab" "tab" 0x0010 "keyq" "keyq" 0x0011 "keyw" "keyw" 0x0012 "keye" "keye" 0x0013 "keyr" "keyr" 0x0014 "keyt" "keyt" 0x0015 "keyy" "keyy" 0x0016 "keyu" "keyu" 0x0017 "keyi" "keyi" 0x0018 "keyo" "keyo" 0x0019 "keyp" "keyp" 0x001a "bracketleft" "bracketleft" 0x001b "bracketright" "bracketright" 0x001c "enter" "enter" 0x001d "controlleft" "controlleft" 0x001e "keya" "k...
...eya" 0x001f "keys" "keys" 0x0020 "keyd" "keyd" 0x0021 "keyf" "keyf" 0x0022 "keyg" "keyg" 0x0023 "keyh" "keyh" 0x0024 "keyj" "keyj" 0x0025 "keyk" "keyk" 0x0026 "keyl" "keyl" 0x0027 "semicolon" "semicolon" 0x0028 "quote" "quote" 0x0029 "backquote" "backquote" 0x002a "shiftleft" "shiftleft" 0x002b "backslash" "backslash" 0x002c "keyz" "keyz" 0x002d "keyx" "keyx" 0x002e "keyc" "keyc" 0x002f "keyv" "keyv" 0x0030 "keyb" "keyb" 0x0031 "keyn" "keyn" 0x0032 "keym" "keym" 0x0033 "comma" "com...
...And 34 more matches

filter - CSS: Cascading Style Sheets
syntax /* url to svg filter */ filter: url("filters.svg#filter-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...
... filter: blur(5px) <table class="standard-table"> <thead> <tr> <th style="text-align: left;" scope="col">original image</th> <th style="text-align: left;" scope="col">live example</th> <th style="text-align: left;" scope="col">svg equivalent</th> <th style="text-align: left;" scope="col">static example</th> </tr> </thead> <tbody> <tr> <td><img alt="test_form.jpg" id="img1" class="in...
...ternal default" src="/files/3710/test_form_2.jpg" style="width: 100%;" /></td> <td><img alt="test_form.jpg" id="img2" class="internal default" src="/files/3710/test_form_2.jpg" style="width: 100%;" /></td> <td> <div class="svg-container"> <svg id="img3" overflow="visible" viewbox="0 0 212 161" color-interpolation-filters="srgb"> <filter id="svgblur" x="-5%" y="-5%" width="110%" height="110%"> <fegaussianblur in="sourcegraphic" stddeviation="3.5"/> </filter> <image xlink:href="/files/3710/test_form_2.jpeg" filter="url(#svgblur)" width="212px" height="161px"/> </svg> </div> </td> <td><img alt="test_form_s.jpg" id="img4" class="internal default" src="/files/3711/test_form_2_s.jpg" styl...
...And 34 more matches

panel - Archive of obsolete content
you can load remote html into the panel: var mypanel = require("sdk/panel").panel({ width: 180, height: 180, contenturl: "https://en.wikipedia.org/w/index.php?title=jetpack&useformat=mobile" }); mypanel.show(); you can also load html that's been packaged with your add-on, and this is most probably how you will create dialogs.
... to do this, save the html in your add-on's data directory and load it using the data.url() method exported by the self module, like this: var mypanel = require("sdk/panel").panel({ contenturl: require("sdk/self").data.url("myfile.html") }); mypanel.show(); from firefox 34, you can use "./myfile.html" as an alias for self.data.url("myfile.html").
... so you can rewrite the above code like this: var mypanel = require("sdk/panel").panel({ contenturl: "./myfile.html" }); mypanel.show(); panel positioning by default the panel appears in the center of the currently active browser window.
...And 33 more matches

Chapter 5: Let's build a Firefox extension - Archive of obsolete content
gomita-san won "most useful upgraded extension" award in mozilla's 2006 "extend firefox" competition for scrapbook, and was runner-up in the "extend firefox 2" contest for firegestures.
... listing 1: content for install.rdf <?xml version="1.0"?> <rdf xmlns="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:em="http://www.mozilla.org/2004/em-rdf#"> <description about="urn:mozilla:install-manifest"> <!-- unique id for extension.
... listing 3: additional content for overlay.xul <?xml version="1.0"?> <overlay id="helloworldoverlay" xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"> <menupopup id="menu_toolspopup"> <menuitem id="helloworldmenuitem" label="hello, world!" insertbefore="sanitizeseparator" oncommand="window.opendialog('chrome://helloworld/content/clock.xul','clock','chrome,centerscreen,modal');"/> </menupopup> </overlay> phase 2: adding a...
...And 33 more matches

Install script template - Archive of obsolete content
the keys are written according to the specification: http://mozilla.org/projects/plugins/first-install-problem.html and follows the plid specification: http://mozilla.org/projects/plugins/plugin-identifier.html **/ // define some global variables var plugin_file = "npmyplugin.dll"; // this plugin consists of an xpt file because it is scriptable // http://mozilla.org/projects/plugins/scripting-plugins.html var component_file = "npmypluginscriptable.xpt"; var plugin_size = 2000; // (dll file) reserve a little extra so it is not required to update too often var component_size = 10; // (xpi file) reserve a little extra so it is not required to update t...
...oo often var software_name="cult3d mozilla viewer"; // plids (http://mozilla.org/projects/plugins/plugin-identifier.html) are coined by vendors.
... var plid = "@myplugin.com/myplugin,version=5.3"; var version = "5.3.0.0"; var mimetype = "application/x-my-plugin"; var suffix = "my"; var suffix_description = "my plugin files"; var company_name = "mypluginco"; var plugin_description = "my exemplary plugin mine all mine"; // registry constant paths // these will be used when the win32 registry keys are written var hkey_local_machine = "hkey_local_machine"; var hkey_current_user = "hkey_current_user"; var reg_moz_path = "software\\mozillaplugins"; // my own error code in case secondary installation fails var nosecondaryinstall = 1; // error return codes need some memory var err; // error return codes when we try and install to the current browser var errblock1; // error return codes when we try and do a secondary installation...
...And 33 more matches

WAI-ARIA basics - Learn web development
<div class="nav">, but these were problematic, as there was no easy way to easily find a specific page feature such as the main navigation programmatically.
... the initial solution was to add one or more hidden links at the top of the page to link to the navigation (or whatever else), for example: <a href="#hidden" class="hidden">skip to navigation</a> but this is still not very precise, and can only be used when the screenreader is reading from the top of the page.
...html5 provides special input types to render such controls: <input type="date"> <input type="range"> these are not well-supported across browsers, and it is also difficult to style them, making them not very useful for integrating with website designs.
...And 33 more matches

nsIAnnotationService
1.0 66 introduced gecko 1.9 inherits from: nsisupports last changed in gecko 2.0 (firefox 4 / thunderbird 3.3 / seamonkey 2.1) implemented by: "@mozilla.org/browser/annotation-service;1".
... 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.
... note: use of value "1" is omitted due to it's temporary use as expire_never in bug 319455.
...And 32 more matches

Linear-gradient Generator - CSS: Cascading Style Sheets
linear-gradient generator html content <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="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="0" data-max="180"></div> </div> </div> <div id="tool-section" class="section"> <div class="title"> tool settings </div> ...
... <div class="property"> <div class="name"> alpha background </div> <div id="canvas-bg"></div> <div id="add-axis" class="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-u...
...And 32 more matches

context-menu - Archive of obsolete content
for example, a good use of the menu would be to show an "edit image" item when the user right-clicks an image in the page.
...the menu that appears should contain the items "back", "forward", "reload", "stop", and so on.
... declarative contexts you can specify some simple, declarative contexts when you create a menu item by setting the context property of the options object passed to its constructor, like this: var cm = require("sdk/context-menu"); cm.item({ label: "my menu item", context: cm.urlcontext("*.mozilla.org") }); constructor description pagecontext() the page context.
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page-mod - Archive of obsolete content
the sdk calls these scripts "content scripts".
... for example, the following add-on displays an alert whenever the user visits any page hosted at "mozilla.org": var pagemod = require("sdk/page-mod"); pagemod.pagemod({ include: "*.mozilla.org", contentscript: 'window.alert("page matches ruleset");' }); you can modify the document in your script: var pagemod = require("sdk/page-mod"); pagemod.pagemod({ include: "*.mozilla.org", contentscript: 'document.body.innerhtml = ' + ' "<h1>page matches ruleset</h1>";' }); you can supply the content script(s) in one of two ways: as a string literal, or an array of string literals, assigned to the contentscript option, as above as separate files supplied in your add-on's...
... "data" directory.
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ui/button/action - Archive of obsolete content
usage creating buttons to create a button you must give it an id, an icon, and a label: var { actionbutton } = require("sdk/ui/button/action"); var button = actionbutton({ id: "my-button", label: "my button", icon: { "16": "./firefox-16.png", "32": "./firefox-32.png" }, onclick: function(state) { console.log("button '" + state.label + "' was clicked"); } }); by default, the button appears in the firefox toolbar: however, users can move it to the firefox menu panel using the toolbar customization feature: badged buttons new in firefox 36.
... you can add a "badge" to a button using its badge property.
...by default the badge's color is red, but you can set your own color using the badgecolor property, specified as a css <color> value: var { togglebutton } = require("sdk/ui/button/toggle"); var button = togglebutton({ id: "my-button1", label: "my button1", icon: "./icon-16.png", onchange: changed, badge: 0, badgecolor: "#00aaaa" }); function changed(state) { button.badge = state.badge + 1; if (state.checked) { button.badgecolor = "#aa00aa"; } else { button.badgecolor = "#00aaaa"; } } specifying multiple icons you can specify just one icon, or multiple icons in different sizes.
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Installer Script - Archive of obsolete content
logcomment("insufficient disk space: " + dirpath); 13.
... logcomment(" required : " + spacerequired + " k"); 14.
... logcomment(" available: " + spaceavailable + " k"); 15.
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nsIHTMLEditor
example: aproperty="font", aattribute="color" avalue if aattribute is not null, the value of the attribute.
... example: aproperty="font", aattribute="color", avalue="0x00ffff" addinsertionlistener() add listener for insertion override.
...if aiscreatedhidden is true, the class "hidden" is added to the created element.
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Window.open() - Web APIs
if the empty string ("") is specified as url, a blank page is opened into the targeted browsing context.
... windowfeatures optional a domstring containing a comma-separated list of window features given with their corresponding values in the form "name=value".
... examples var windowobjectreference; var windowfeatures = "menubar=yes,location=yes,resizable=yes,scrollbars=yes,status=yes"; function openrequestedpopup() { windowobjectreference = window.open("http://www.cnn.com/", "cnn_windowname", windowfeatures); } var windowobjectreference; function openrequestedpopup() { windowobjectreference = window.open( "http://www.domainname.ext/path/imagefile.png", "descriptivewindowname", "resizable,scroll...
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Profiling with the Firefox Profiler
tip: threads that are annotated with "[default]" are in the parent (aka "ui", aka "browser chrome", aka "main") process and those annotated with "[tab]" are in the web content (aka "child") processes.
... tip: long-running tasks in the parent process will block all input or drawing with the browser ui (aka "ui jank") whereas long-running tasks in the content process will block interactivity with the page but still allowing the user to pan and zoom around thanks to apz.
...as you zoom in on ranges, breadcrumbs are created allowing you to easily navigate back to previously-selected ranges or the entire profile (denoted as "full range").
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EncDecMAC using token object - sample 3
encdecmac using token object example: <h2 id="nss_sample_code_3_hashing.">nss sample code 3: enc/dec/mac using token object id.</h2> <p class="summary">computes the hash of a file and saves it to another file, illustrates the use of nss message apis.</p> <pre class="brush: cpp"> /* this source code form is subject to the terms of the mozilla public * license, v.
...*/ /* nspr headers */ #include #include #include #include #include #include #include /* nss headers */ #include #include /* our samples utilities */ #include "util.h" #define buffersize 80 #define digestsize 16 #define ptext_mac_buffer_size 96 #define ciphersize 96 #define blocksize 32 #define cipher_header "-----begin cipher-----" #define cipher_trailer "-----end cipher-----" #define enckey_header "-----begin aeskey ckaid-----" #define enckey_trailer "-----end aeskey ckaid-----" #define mackey_header "-----begin mackey ckaid-----" #define mackey_trailer "-----end mackey ckaid-----" #define iv_header "-----begin iv-----" #define iv_trailer "-----end iv-----" #define mac_header...
... "-----begin mac-----" #define mac_trailer "-----end mac-----" #define pad_header "-----begin pad-----" #define pad_trailer "-----end pad-----" typedef enum { encrypt, decrypt, unknown } commandtype; typedef enum { symkey = 0, mackey = 1, iv = 2, mac = 3, pad = 4 } headertype; /* * print usage message and exit */ static void usage(const char *progname) { fprintf(stderr, "\nusage: %s -c -d [-z ] " "[-p | -f ] -i -o \n\n", progname); fprintf(stderr, "%-20s specify 'a' for encrypt operation\n\n", "-c "); fprintf(stderr, "%-20s specify 'b' for decrypt operation\n\n", " "); fprintf(stderr, "%-20s specify db directory path\n\n", "-d "); fprintf(stderr, "%-20s specify db password [optional]\n\n", "-p "); fprintf(stderr, "%-20s specify db password file [optional]\n\n", "-f "); fprintf(stderr, "%-20...
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Places Developer Guide
bookmarks the toolkit bookmarks service is nsinavbookmarksservice: var bookmarks = cc["@mozilla.org/browser/nav-bookmarks-service;1"] .getservice(ci.nsinavbookmarksservice); this service provides methods for adding, editing and deleting items in the bookmarks collection.
... nsinavbookmarksservice.unfiledbookmarksfolder - items that have been "starred", but not places in any folder.
...var bookmarkuri = cc["@mozilla.org/network/io-service;1"] .getservice(ci.nsiioservice) .newuri("http://www.mozilla.com", null, null); var bookmarkid = bookmarks.insertbookmark( bookmarks.toolbarfolder, // the id of the folder the bookmark will be placed in.
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Mozilla internal string guide
nsliteral[c]string which should rarely be constructed explicitly but usually through the ""_ns and u""_ns user-defined string literals.
... nssubstringtuple - created via string concatenation nsdependentsubstring - created through substring nspromiseflatstring - created through promiseflatstring() nsliteral[c]string - created through the ""_ns and u""_ns user-defined literals of course, there are times when it is necessary to reference these string classes in your code, but as a general rule they should be avoided.
... an example: const nsastring& str = getsomestring(); nsastring::const_iterator start, end; str.beginreading(start); str.endreading(end); constexpr auto valueprefix = u"value="_ns; if (findinreadable(valueprefix, start, end)) { // end now points to the character after the pattern valuestart = end; } checking for memory allocation failure the string classes now use infallible memory allocation, so you do not need to check for success when allocating/resizing "normal" strings.
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Introduction to XPCOM for the DOM
i learned c++ by reading "c++ primer" from stanley lippman and josee lajoie, then experimenting on the dom code.
...furthermore, a class can be de declared to be "abstract" if it declares some methods but does not implement them entirely.
... pushing this concept to its maximum, a class can be "purely virtual" if it declares methods without implementing any of them.
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Example and tutorial: Simple synth keyboard - Web APIs
<div class="container"> <div class="keyboard"></div> </div> the <div> named "container" is the scrollable box that lets the keyboard be scrolled horiontally if it's too wide for the available space.
... the keys themselves will be inserted into the block of class "keyboard".
...then we establish a box that will be presented on the left side of the bar and place a label and an <input> element of type "range".
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<nextid>: The NeXT ID element (Obsolete) - HTML: Hypertext Markup Language
this element has the distinction of being the first element to become one of the "lost tags" by being eliminated from the official public dtd's of the html versions.
... html "0.a" - from the beginning through january 10, 1991 this tag had not been invented as yet, so no examples are found from this period.
... html "0.c" - from january 23, 1991 though november 23, 1992 this early version of html introduced <nextid> in a non-sgml compliant form that simply used the numeric value alone as an "attribute." html "0.d" - from november 26, 1992 through may 24, 1993 during this span, next and the oldest surviving dtd's show <nextid> to take only a number for a value of its newly-introduced attribute n.
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Proxy Auto-Configuration (PAC) file - HTTP
examples isplainhostname("www.mozilla.org") // false isplainhostname("www") // true dnsdomainis() syntax dnsdomainis(host, domain) parameters host is the hostname from the url.
... examples dnsdomainis("www.mozilla.org", ".mozilla.org") // true dnsdomainis("www", ".mozilla.org") // false localhostordomainis() syntax localhostordomainis(host, hostdom) parameters host the hostname from the url.
... examples localhostordomainis("www.mozilla.org" , "www.mozilla.org") // true (exact match) localhostordomainis("www" , "www.mozilla.org") // true (hostname match, domain not specified) localhostordomainis("www.google.com" , "www.mozilla.org") // false (domain name mismatch) localhostordomainis("home.mozilla.org", "www.mozilla.org") // false (hostname mismatch) isresolvable() syntax isresolvable(host) parameters host is the hostname from the url.
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Advanced form styling - Learn web development
previous overview: forms next in this article, we will see what can be done with css to style the types of form control that are more difficult to style — the "bad" and "ugly" categories.
... to recap what we said in the previous article, we have: the bad: some elements are more difficult to style, requiring more complex css or some more specific tricks: checkboxes and radio buttons <input type="search"> the ugly: some elements can't be styled thoroughly using css.
... <input type="color"> date-related controls such as <input type="datetime-local"> <input type="range"> <input type="file"> <progress> and <meter> let's first talk about the appearance property, which is pretty useful for making all of the above more stylable.
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Content Scripts - Archive of obsolete content
there are five basic principles: the add-on's main code, including "main.js" and other modules in "lib", can use the sdk high-level and low-level apis, but can't access web content directly content scripts can't use the sdk's apis (no access to globals exports, require) but can access web content sdk apis that use content scripts, like page-mod and tabs, provide functions that enable the add-on's main code to load content scripts into web pages content scripts ...
...can be loaded in as strings, but are more often stored as separate files under the add-on's "data" directory.
... jpm doesn't make a "data" directory by default, so you must add it and put your content scripts in there.
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HTML: A good basis for accessibility - Learn web development
the goal isn't "all or nothing." however, — every improvement you can make will help the cause of accessibility.
...using presentational html and line breaks, something like the following: <font size="7">my heading</font> <br><br> this is the first section of my document.
...you to read <br><br> <font size="5">my subheading</font> <br><br> this is the first subsection of my document.
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HTML: A good basis for accessibility - Learn web development
the goal isn't "all or nothing." however, — every improvement you can make will help the cause of accessibility.
...using presentational html and line breaks, something like the following: <font size="7">my heading</font> <br><br> this is the first section of my document.
...you to read <br><br> <font size="5">my subheading</font> <br><br> this is the first subsection of my document.
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Debugging on Mac OS X
at this time, developers can obtain a hardened runtime build with the com.apple.security.get-task-allow entitlement allowed by submitting a try build and downloading the dmg generated by the "rpk" shippable build job.
...to work around that, the steps below have you initialize the project outside the mozilla source tree, close the project, copy the .xcodeproj project "file" into the source tree, and then reopen the project to finish setting it up.
...select the "cross-platform" tab then under the "other" template group select the "empty" project type.
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IME handling guide
if ime is available on focused elements, we call that state "enabled".
... if ime is not fully available(i.e., user cannot enable ime), we call this state "disabled".
... if ime is enabled but users use direct input mode (e.g., for inputting latin characters), we call it "ime is closed".
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Using the Resource Timing API - Web APIs
function calculate_load_times() { // check performance support if (performance === undefined) { console.log("= calculate load times: performance not supported"); return; } // get a list of "resource" performance entries var resources = performance.getentriesbytype("resource"); if (resources === undefined || resources.length <= 0) { console.log("= calculate load times: there are no `resource` performance records"); return; } console.log("= calculate load times"); for (var i=0; ...
...i < resources.length; i++) { console.log("== resource[" + i + "] - " + resources[i].name); // redirect time var t = resources[i].redirectend - resources[i].redirectstart; console.log("...
... redirect time = " + t); // dns time t = resources[i].domainlookupend - resources[i].domainlookupstart; console.log("...
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HTML documentation index - HTML: Hypertext Markup Language
4 block-level elements beginner, development, guide, html, html5, web html (hypertext markup language) elements historically were categorized as either "block-level" elements or "inline-level" elements.
... by default, a block-level element occupies the entire space of its parent element (container), thereby creating a "block." this article helps to explain what this means.
... 89 <details>: the details disclosure element disclosure box, disclosure widget, element, html, html interactive elements, reference, web, details the html details element (<details>) creates a disclosure widget in which information is visible only when the widget is toggled into an "open" state.
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How to convert an overlay extension to restartless - Archive of obsolete content
step 1: use services.jsm if you load one of mozilla's internal jsm files, for example services.jsm, you'll do so via privileged javascript code like this: components.utils.import("resource://gre/modules/services.jsm"); from here on out, it is assumed you've imported services.jsm somewhere at the top of whatever file you're in and will be using it in all code examples.
...you can use chrome:// uris with "components.utils.import()" just fine; in fact you've been able to since firefox 4.
... step 2a: load your jsm from chrome:// now with that preface out of the way, this part is easy: drop support for firefox 3.x if you haven't already, move your jsm files to wherever you've got your chrome mapping to for your xul overlay and/or windows, import your files from that new chrome mapped path instead of the old resource one, and remove your "resource" line from your chrome.manifest file.
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Reference - Archive of obsolete content
for example, "script" and "program" are synonymous.
... so are "current object" and "context object".
...--nickolay 18:40, 16 july 2006 (pdt) js 1.2 and gecko 1.8 per the fix for bug 255895, "javascript1.2" values for the script's language attribute no longer work, e.g.
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Mozilla DOM Hacking Guide
it lies at the heart of the famous "xpcdom landing" that happened in may.
...by "correct behavior", i mean "the intended behavior with respect to the specification or de facto standard".
...xpconnect will "wrap" the argument in a wrapper that will be of the type expected by our c++ function.
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Web Console remoting - Firefox Developer Tools
for example: ["pageerror", "consoleapi", "networkactivity", "fileactivity"] the web console actor does not start any listeners by default.
... protocol packets look as follows: { "to": "root", "type": "listtabs" } { "from": "root", "consoleactor": "conn0.console9", "selected": 2, "tabs": [ { "actor": "conn0.tab2", "consoleactor": "conn0.console7", "title": "", "url": "https://tbpl.mozilla.org/?tree=fx-team" }, // ...
... startlisteners(listeners, onresponse) the new startlisteners packet: { "to": "conn0.console9", "type": "startlisteners", "listeners": [ "pageerror", "consoleapi", "networkactivity", "fileactivity" ] } the reply is: { "startedlisteners": [ "pageerror", "consoleapi", "networkactivity", "fileactivity" ], "nativeconsoleapi": true, "from": "conn0.console9" } the reply tells which listeners were started and it includes a fl...
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Web accessibility for seizures and physical reactions - Accessibility
photosensitive epilepsy is actually a kind of "reflex epilepsy"—seizures occurring in response to a trigger.
... the fact that static images may cause seizures and other disorders is documented in such articles as “gamma oscillations and photosensitive epilepsy”, where it is noted “certain visual images, even in the absence of motion or flicker, can trigger seizures in patients with photosensitive epilepsy” the epilepsy foundation, in its article, "shedding light on photosensitivity, one of epilepsy's most complex conditions" talks about static images and patterns.
... "static or moving patterns of discernable light and dark stripes have the same effect as flashing lights because of the alternation of dark and bright areas." the epilepsy foundation of america working group is able to "quantify" the problem a little.
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simple-prefs - Archive of obsolete content
usage defining and initializing preferences to define preferences and give them initial values, add a new json array called preferences to your package.json file, and give it one entry for each preference: { "fullname": "example add-on", ...
... "preferences": [{ "name": "somepreference", "title": "some preference title", "description": "some short description for the preference", "type": "string", "value": "this is the default string value" }, { "description": "how many of them we have.", "name": "myinteger", "type": "integer", "value": 8, "title": "how many?" }] } each preference is defined by a group of attributes.
... attribute description type the type of preference, as defined in the "preference types" section below.
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Theme changes in Firefox 2 - Archive of obsolete content
browser/safebrowsing/dim.png new file; this is a graphic overlaid on top of the contents of the window to "dim" it when the safe browsing warning window is displayed.
... browser/safebrowsing/tail.png new file; this is the "tail" of the talk-bubble style window used to indicate that a site may be fraudulent.
... global/alltabs-box-bkgnd.png new file; the background for the "all tabs" drop-down menu at the right side of the tab bar.
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Gecko info for Windows accessibility vendors
indicates that the absence of state_checked should be spoken as // "unchecked", and that event_state_change will be fired in the event that the // checkbox is toggled.
... positional descriptions are supported the accdescription field is overriden for the following roles: role_listitem, role_menuitem, role_radiobutton, role_pagetab and role_outlineitem for everything other than outline item, the positional description is in the form "n of m" where n is an integer indicating the position within other similar objects in a group, and m represents the number of objects in that group.
... for example, "3 of 5" indicates the 3rd object out of 5.
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WebRequest.jsm
usage to import webrequest, use code like: let {webrequest} = cu.import("resource://gre/modules/webrequest.jsm", {}); the webrequest object has the following properties, each of which corresponds to a specific stage in executing a web request: onbeforerequest onbeforesendheaders onsendheaders onheadersreceived onresponsestarted oncompleted each of these objects defines two functions: addlistener(callback, filter, opt_extrainfospec) removelistener(callbac...
... in particular, "blocking" may be passed to several event types, and will make the event dispatch synchronous, so the browser will wait for the event listener to return before continuing with the request.
... to specify match patterns, first import the "matchpattern.jsm" module, then construct a matchpattern.
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Bytecode Descriptions
this is how we implement typeof step 2, making typeof nonexistingvariable return "undefined" instead of throwing a referenceerror.
... in a global scope: typeof x compiles to getgname "x"; typeof.
... typeof (0, x) compiles to getgname "x"; typeofexpr.
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JSAPI User Guide
c++ code accesses spidermonkey via the jsapi, by including the header "jsapi.h".
...whenever javascript code does something like window.open("http://www.mozilla.org/"), it is accessing a global property, in this case window.
... #include "jsapi.h" using namespace js; // the class of the global object.
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nsIAccessibleRole
the role is used by xul:menubar or role="menubar".
...the role is used by xul:browsermessage, role="alert", xforms:message.
...it is used for role="menu".
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nsIFile
an alternate form operates on characters strings encoded in the "native" charset.
...therefore, the utf-16 forms are scriptable, but the "native methods" are not.
... to create an nsifile from a path you can use fileutils.jsm: var fileutils = cu.import("resource://gre/modules/fileutils.jsm").fileutils var nsifile = new fileutils.file( filename ) note: nsilocalfile was merged with this interface in gecko 14.
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widget - Archive of obsolete content
usage "widgets" are small pieces of content that live in the firefox 4 add-on bar.
... for example, this widget contains an image, so it looks like a simple icon: require("sdk/widget").widget({ id: "mozilla-icon", label: "my mozilla widget", contenturl: "http://www.mozilla.org/favicon.ico" }); you can make contenturl point to an html or icon file which you have packaged inside your add-on.
... just save the file in your add-on's data directory, and reference it using the data.url() method of the self module: var data = require("sdk/self").data; require("sdk/widget").widget({ id: "my-widget", label: "my widget", contenturl: data.url("my-content.html") }); this widget contains an entire web page: require("sdk/widget").widget({ id: "hello-display", label: "my hello widget", content: "hello!", width: 50 }); widgets are quite small by default, so this example used the width property to grow it in order to show all the text.
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Localization - Archive of obsolete content
localized strings translated strings are kept in a directory called "locale" under your main add-on directory, one file for each locale.
... the files: use the .properties format are named "xx-yy.properties", where "xx-yy" is the name of the locale in question contain one entry for each string you want to localize, consisting of an identifier for the string and its translation in that locale, in the format identifier=translation need to use utf-8 without bom encoding lines starting with "#" (after optional whitespace) are comments suppose your add-on contains a single localizable string, represented in english as "hello!", and you want to supply us english and french french localizations.
... you'd add two files to the "locale" directory: my-addon/ data lib locale/ en-us.properties fr.properties "en-us.properties" contains this: hello_id= hello!
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Displaying Places information using views
places provides the following built-in views: tree menu toolbar instantiating the three built-in views are simply standard xul elements with a special type attribute whose value is "places".
... every xul document containing a built-in view must import the stylesheet browser/components/places/content/places.css and overlay the file browser/components/places/content/placesoverlay.xul: <?xml-stylesheet href="chrome://browser/content/places/places.css" ?> <?xul-overlay href="chrome://browser/content/places/placesoverlay.xul" ?> it's this stylesheet that binds elements with the special type attribute to one of the views.
... the following example uses the built-in tree view to display bookmarks whose titles or urls contain "mozilla".
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Border-image generator - CSS: Cascading Style Sheets
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="bord...
...er5"/> <img class="image" src="https://udn.realityripple.com/samples/fb/c0b285d3da.svg" data-stateid="border6"/> </div> </div> <div id="load-actions" class="group section"> <div id="toggle-gallery" data-action="hide"> </div> <div id="load-image" class="button"> upload image </div> <input id="remote-url" type="text" placeholder="load an image from url"/> <div id="load-remote" class="button"> </div> </div> <div id="general-controls" class="group section"> <div class="name"> control box </div> <div class="separator"></div> <div class="property"> <div class="name">scale</div> <div class="ui-input-slider" data-topic="sca...
...le" data-unit="%" data-max="300" data-sensivity="10"> </div> </div> <div class="separator"></div> <div class="property"> <div class="name">draggable</div> <div class="ui-checkbox" data-topic='drag-subject'></div> </div> <div class="property right"> <div class="name">section height</div> <div class="ui-input-slider" data-topic="preview-area-height" data-min="400" data-max="1000"> </div> </div> </div> <div id="preview_section" class="group section"> <div id="subject"> <div class="guideline" data-axis="y" data-topic="slice-top"></div> ...
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A re-introduction to JavaScript (JS tutorial) - JavaScript
because it is more familiar, we will refer to ecmascript as "javascript" from this point on.
... numbers numbers in javascript are "double-precision 64-bit format ieee 754 values", according to the spec — there's no such thing as an integer in javascript (except bigint), so you have to be a little careful.
...this takes the base for the conversion as an optional second argument, which you should always provide: parseint('123', 10); // 123 parseint('010', 10); // 10 in older browsers, strings beginning with a "0" are assumed to be in octal (radix 8), but this hasn't been the case since 2013 or so.
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Promises - Archive of obsolete content
a task example like the following: components.utils.import("resource://gre/modules/task.jsm"); task.spawn(function* () { var response = yield request("login", { username: user, password: password }); if (response.messages) { try { yield publish({ username: user, messages: response.messages }); } catch (e) { self.reporterror("publication failed", e); } } }); can be converted to a pure pro...
...mise-based equivalent as such: request("login", { username: user, password: password }) .then(response => { if (response.messages) return publish({ username: user, messages: response.messages }); }) .then(null, (e) => { self.reporterror("publication failed", e); }); file io file io in add-ons should be done via the os.file api, which provides a simple, but powerful, interface for reading, writing, and manipulating both text and binary files.
... representative example usage components.utils.import("resource://gre/modules/osfile.jsm"); task.spawn(function* () { // retrieve file metadata to check modification time.
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Introduction to XUL - Archive of obsolete content
xul (pronounced "zool," as if that spelling helped any, and short for "xml user interface language") is our name for the language in which these ui descriptions are built.
... terms "xpfe" is the term mozilla-the-organization is using to describe mozilla-the-browser's cross platform front end, because x and c look similar if you beat them long and hard with a hammer.
... the term "cross-platform ui" is somewhat misleading.
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Client-side form validation - Learn web development
you'll get messages such as: "this field is required" (you can't leave this field blank).
... "please enter your phone number in the format xxx-xxxx" (a specific data format is required for it to be considered valid).
... "please enter a valid email address" (the data you entered is not in the right format).
...And 24 more matches

UI pseudo-classes - Learn web development
an <input type="checkbox"> with the checked attribute set, or an <option> element with the selected attribute set).
...for example: <form> <fieldset> <legend>feedback form</legend> <div> <label for="fname">first name: </label> <input id="fname" name="fname" type="text" required> </div> <div> <label for="lname">last name: </label> <input id="lname" name="lname" type="text" required> </div> <div> <label for="email">email address (include if you want a response): </label> <input id="email" name="email" type="email"> </div> <div><button>submit...
...second, the standard convention on the web for required status is an asterisk (*), or the word "required" being associated with the controls in question.
...And 24 more matches

Client-Server Overview - Learn web development
previous overview: first steps next now that you know the purpose and potential benefits of server-side programming we're going to examine in detail what happens when a server receives a "dynamic request" from a browser.
...you might for example use a head request to find out the last time a resource was updated, and then only use the (more "expensive") get request to download the resource if it has changed.
...url parameters are inherently "insecure" as they can be changed by users and then resubmitted.
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Extending a Protocol
once it's compiled, ./mach run and you should be able to spin up the developer console and type: navigator.echo("hi!"); that will return a pending promise that never settles.
... in ipdl there two kinds of "actors" - a "parent" and "child" - these actors are literally implemented as c++ classes, so they are more than just abstract ideas.
...as dom apis have access to the window object, we generally want to use the "pwindowglobal" protocol to manage things for us: this protocol is convinient because we can easily access it from the window object...
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CustomizableUI.jsm
if you want to use it from a jsm or another context without a window reference, you need to import it yourself: components.utils.import("resource:///modules/customizableui.jsm"); introduction the module is intended for two primary purposes: allow adding, moving and removing customizable widgets.
...when a customizable toolbar's xbl binding is constructed (generally, that is when a <toolbar customizable="true"/> node is appended to the document and isn't invisible), the binding will call into customizableui and register the toolbar's node as being one of the concrete instances of its area.
... the lifetime of your widget should be identical to the lifetime of the add-on - it's process-global, so if you call createwidget on bootstrap's "startup" and destroywidget on bootstrap's "shutdown", that's enough.
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A guide to searching crash reports
searching the search form you can get to the search page by clicking on the "super search" link near the toolbar at the top right of any page in crash-stats.
...the product field is pre-populated with "firefox" because that is a common case.
... the default search: signature facet if you click on the "search" button, you will get results like the ones in the following screenshot.
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JS_GetGCParameter
shold_factor, jsgc_allocation_threshold_factor_avoid_interrupt, jsgc_nursery_free_threshold_for_idle_collection, jsgc_pretenure_threshold, jsgc_pretenure_group_threshold, jsgc_nursery_free_threshold_for_idle_collection_percent, jsgc_min_nursery_bytes, jsgc_min_last_ditch_gc_period, } jsgcparamkey; value (c++/js shell) description jsgc_max_bytes / "maxbytes" maximum nominal heap before last ditch gc.
... jsgc_max_malloc_bytes / "maxmallocbytes" number of js_malloc bytes before last ditch gc.
... jsgc_max_nursery_bytes / "maxnurserybytes" maximum size the nursery may grow to, or 0 to disable generational gc.
...And 24 more matches

<tr>: The Table Row element - HTML: Hypertext Markup Language
this uses the char and charoff to establish the alignment character (typically "." or "," when aligning numerical data) and the number of characters that should follow the alignment character.
...to apply character-based alignment, set the css text-align property to the alignment character (such as "." or ",").
...typical values for this include a period (".") or comma (",") when attempting to align numbers or monetary values.
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ui/frame - Archive of obsolete content
constructing frames the frame constructor takes one mandatory option, which is a url pointing to an html document supplied under your add-ons "data" directory.
... for example, this html document defines a <select> element and a couple of <span> elements, and includes a css file to style the content and a javascript script to implement behavior: <!doctype html> <html> <head> <link href="city-info.css" rel="stylesheet"></link> </head> <body> <select name="city" id="city-selector"></select> <span id="time" class="info-element"></span> <span id="weather" class="info-element"></span> <script type="text/javascript" src="city-info.js"></script> </body> </html> if we save this document as "city-info.html" under the add-on's "data" directory, we can create a frame hosting it and add the frame to a toolbar like this: var { frame } = require("sdk/ui/frame"); var { toolbar } = require("sdk/ui/toolbar"); var frame = new frame(...
...{ url: "./city-info.html" }); var toolbar = toolbar({ name: "city-info", title: "city info", items: [frame] }); the toolbar is positioned between the address bar and the content window.
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Preferences - Archive of obsolete content
here are two examples: // get the root branch var prefs = components.classes["@mozilla.org/preferences-service;1"] .getservice(components.interfaces.nsiprefbranch); // get the "extensions.myext." branch var prefs = components.classes["@mozilla.org/preferences-service;1"] .getservice(components.interfaces.nsiprefservice); prefs = prefs.getbranch("extensions.myext."); simple types there are three types of preferences: string, integ...
...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.
...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.
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Tabbed browser - Archive of obsolete content
of course the entire application firefox is called "a browser".
...furthermore another meaning of 'browser' in this document and in some firefox source is "the tabbrowser element" in a firefox xul window.
...rfaces.nsiinterfacerequestor) .getinterface(components.interfaces.nsidomwindow); mainwindow.gbrowser.addtab(...); from a dialog if your code is running in a dialog opened directly by a browser window, you can use: window.opener.gbrowser.addtab(...); if window.opener doesn't work, you can get the most recent browser window using this code: var wm = components.classes["@mozilla.org/appshell/window-mediator;1"] .getservice(components.interfaces.nsiwindowmediator); var mainwindow = wm.getmostrecentwindow("navigator:browser"); mainwindow.gbrowser.addtab(...); opening a url in a new tab // add tab gbrowser.addtab("http://www.google.com/"); // add tab, then make active gbrowser.selectedtab = gbrowser.addtab("http://www.google.com/"); manipula...
...And 23 more matches

NSS Tools modutil
in this context, the term "password" is equivalent to a personal identification number (pin).
...if so, the metainfo file for the netscape signing tool would include a line such as this: + pkcs11_install_script: pk11install the sample script file could contain the following: forwardcompatible { irix:6.2:mips sunos:5.5.1:sparc }platforms { winnt::x86 { modulename { "fortezza module" } modulefile { win32/fort32.dll } defaultmechanismflags{0x0001} defaultcipherflags{0x0001} files { win32/setup.exe { executable relativepath { %temp%/setup.exe } } win32/setup.hlp { relativepath { %temp%/setup.hlp } } win32/setup.cab { relativepath { %temp%/setup.cab } }...
... } } win95::x86 { equivalentplatform {winnt::x86} } sunos:5.5.1:sparc { modulename { "fortezza unix module" } modulefile { unix/fort.so } defaultmechanismflags{0x0001} cipherenableflags{0x0001} files { unix/fort.so { relativepath{%root%/lib/fort.so} absolutepath{/usr/local/netscape/lib/fort.so} filepermissions{555} } xplat/instr.html { relativepath{%root%/docs/inst.html} absolutepath{/usr/local/netscape/docs/inst.html} filepermissions{555} } } } irix:6.2:mips { equivalentplatform { sunos:5.5.1:sparc } }} script grammar the script file grammar is as follows: --> valuelistvaluelist --> value valuelist <null>value ---> ...
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Hacking Tips
note that some functions have been moved under an 'os' object, and help(os) will give brief help on just the members of that "namespace".
... step next a few times, so that the "code" variable gets generated print code->code_, which is the address of the code disassembly code read at this address (using x/ni address, where n is the number of instructions you would like to see) here is an example.
...(gdb) r starting program: /home/code/mozilla-central/js/src/32-release/js -f /home/code/jaeger.js [thread debugging using libthread_db enabled] using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
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Using Objective-C from js-ctypes
speech synthesis example let's start with the following objective-c code, which invokes the speech synthesis api to say "hello, firefox!".
... #import <appkit/appkit.h> int main(void) { nsspeechsynthesizer* synth = [[nsspeechsynthesizer alloc] initwithvoice: nil]; [synth startspeakingstring: @"hello, firefox!"]; // wait until start speaking.
... class objc_getclass(const char *name); in /usr/include/objc/objc.h, class is defined as an opaque type by the following: typedef struct objc_class *class; in this example, we need the classnsspeechsynthesizer, which is retrieved with the following code: class nsspeechsynthesizer = objc_getclass("nsspeechsynthesizer"); registering a selector selectors can be registered and retrieved with sel_registername function, also declared in /usr/include/objc/runtime.h.
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SubtleCrypto.verify() - Web APIs
to use rsassa-pkcs1-v1_5, pass the string "rsassa-pkcs1-v1_5" or an object of the form { "name": "rsassa-pkcs1-v1_5" }.
... to use hmac, pass the string "hmac" or an object of the form { "name": "hmac" }.
... /* fetch the contents of the "message" textbox, and encode it in a form we can use for sign operation.
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Intl.DateTimeFormat() constructor - JavaScript
unicode extension are supported (for example "en-us-u-ca-buddhist").
...possible values include: "arab", "arabext", "bali", "beng", "deva", "fullwide", "gujr", "guru", "hanidec", "khmr", "knda", "laoo", "latn", "limb", "mlym", "mong", "mymr", "orya", "tamldec", "telu", "thai", "tibt".
...possible values include: "buddhist", "chinese", "coptic", "ethiopia", "ethiopic", "gregory", "hebrew", "indian", "islamic", "iso8601", "japanese", "persian", "roc".
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RDF Datasource How-To - Archive of obsolete content
the xpcom registration parts and the "as of this writing, it is not currently possible to implement javascript xpcom components" comment seem outdated didn't check the whole article.
...the "rdf universe" consists of a set of statements about internet resources; for example, "my home page was last modified april 2nd", or "that news article was sent by bob".
...for example, a "file system datasource" would translate the file system into statements like "/tmp is a directory" and "/tmp/foo is contained within /tmp".
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Using XPInstall to Install Plugins - Archive of obsolete content
a definition of terms xpinstall is an installer technology, and the name itself stands for "cross platform install" (hence "xp" -- an abbreviation for "cross platform").
... an xpinstall package is usually called an xpi package for short (and often pronounced "zippy").
...xpi packages, like zip files, "contain" other files, typically: the software component to be installed.
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Focus management with Vue refs - Learn web development
specifically, when a user activates the "edit" button, we remove the "edit" button from the dom, but we don't move the user's focus anywhere, so in effect it just disappears.
...the focus should move to the "add" button.
...one more time, and focus should be on the first "edit" button.
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about:memory
perhaps you want to investigate it yourself, or perhaps someone has asked you to use about:memory to generate "memory reports" so they can investigate a problem you are having.
...once firefox's memory usage has gotten high) open a new tab and type "about:memory" into the address bar and hit "enter".
... if you are using a communication channel where files can be sent, such as bugzilla or email, click on the "measure and save..." button.
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JSAPI Cookbook
to query whether a value has a particular type, use a correspondingly named member testing function: // javascript var v = computesomevalue(); var isstring = typeof v === "string"; var isnumber = typeof v === "number"; var isnull = v === null; var isboolean = typeof v === "boolean"; var isobject = typeof v === "object" && v !== null; /* jsapi */ js::rootedvalue v(cx, computesomevalue()); bool isstring = v.isstring(); bool isnumber = v.isnumber(); bool isint32 = v.isint32(); // note: internal representation, not numeric value bool isnull = v.isnull(); bool isboolea...
...n = v.isboolean(); bool isobject = v.isobject(); // note: not broken like typeof === "object" is :-) to set a value use a correspondingly named member mutator function, or assign the result of the correspondingly named standalone function: // javascript var v; v = 0; v = 0.5; v = somestring; v = null; v = undefined; v = false; /* jsapi */ js::rootedvalue v(cx); js::rootedstring somestring(cx, ...); v.setint32(0); // or: v = js::int32value(0); v.setdouble(0.5); // or: v = js::doublevalue(0.5); v.setstring(somestring); // or: v = js::stringvalue(somestring); v.setnull(); // or: v = js::nullvalue(); v.setundefined(); // or: v = js::undefinedvalue(); v.setboolean(false); // or: v = js::booleanvalue(false); finding the global object many of these re...
... */ if (!js_definefunction(cx, global, "justforfun", &justforfun, 0, 0)) return false; to define many jsapi functions at once, use js_definefunctions.
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Address Book examples
let abmanager = components.classes["@mozilla.org/abmanager;1"] .getservice(components.interfaces.nsiabmanager); let alladdressbooks = abmanager.directories; while (alladdressbooks.hasmoreelements()) { let addressbook = alladdressbooks.getnext() .queryinterface(components.interfaces.nsiabdirectory); if (addressbook instanceof components.interfaces.nsiabdirectory) { //...
... or nsiabitem or nsiabcollection // alert ("directory name:" + addressbook.dirname); ...
...assuming you have the uri, then use the address book manager to get an nsiabdirectory representing the address book: let abmanager = components.classes["@mozilla.org/abmanager;1"] .getservice(components.interfaces.nsiabmanager); let oneaddressbook = abmanager.getdirectory(addressbookuri); how do i search for a particular contact property (name, email)?
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Using the User Timing API - Web APIs
there are two types of user defined timing entry types: the "mark" entry type and the "measure" entry type.
... function create_marks(ev) { if (performance.mark === undefined) { log("create marks: performance.mark not supported", 0); return; } else { log("create marks", 0); // create several performance marks including two with the same name performance.mark("mark-1"); do_work(50000); performance.mark("mark-2"); do_work(50000); performance.mark("mark-2"); var marks = ["mark-1", "mark-2", "mark-2"]; for (var i=0; i < marks.length; i++) log("...
... created mark = " + marks[i], 0); } retrieving performance marks the performance interface has three methods to retrieve marks.
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ARIA live regions - Accessibility
including an aria-live attribute or a specialized live region role (such as role="alert") on the element you want to announce changes to works as long as you add the attribute before the changes occur — either in the original markup, or dynamically using javascript.
...aria-controls="myregionid1 myregionsid2".
... normally, only aria-live="polite" is used.
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ARIA annotations - Accessibility
aria annotations features the aria attributes providing these new abilities are as follows: aria-description="" — provides a detailed description of an html element, as opposed to the brief label provided by aria-label.
... role="insertion" and role="deletion" — semantically denote html elements whose contents represent an insertion to or deletion from the overall document.
... role="mark" — semantically denotes html elements containing text that is marked/highlighted for reference purposes.
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Using CSS gradients - CSS: Cascading Style Sheets
<div class="simple-linear"></div> div { width: 120px; height: 120px; } .simple-linear { background: linear-gradient(blue, pink); } changing the direction by default, linear gradients run from top to bottom.
... <div class="horizontal-gradient"></div> div { width: 120px; height: 120px; } .horizontal-gradient { background: linear-gradient(to right, blue, pink); } diagonal gradients you can even make the gradient run diagonally, from corner to corner.
... <div class="diagonal-gradient"></div> div { width: 200px; height: 100px; } .diagonal-gradient { background: linear-gradient(to bottom right, blue, pink); } using angles if you want more control over its direction, you can give the gradient a specific angle.
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Microformats - HTML: Hypertext Markup Language
for example if they wanted to identify themselves they could use an h-card such as: html example <a class="h-card" href="http://alice.example.com">alice blogger</a> when a parser encounters this data, it will know that this page contains a "card" which describes a person or organization named alice blogger with a url of http://alice.example.com/.
... "h-*" for root class names, e.g.
... "h-card", "h-entry", "h-feed", and many more.
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Grammar and types - JavaScript
for example, the word früh (which means "early" in german) could be used as a variable name.
... let früh = "foobar" but, the variable früh is not the same as früh because javascript is case sensitive.
... because javascript is case sensitive, letters include the characters "a" through "z" (uppercase) as well as "a" through "z" (lowercase).
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XUL Questions and Answers - Archive of obsolete content
support for non-rdf datasources for xul template is planned (bug 321170): xml datasources (bug 321171) storage (sqlite) datasources (bug 321172) when loading an xslt stylesheet into an xml i get the error: "error loading stylesheet: an xslt stylesheet load was blocked for security reasons." that error is from a security check that has been put up to safeguard against cross-site-scripting attacks.
... hidechrome="true" doesn’t work on a mac?
...a workaround is to open the content in a new window using "window.open" and send titlebar=”no” as one of the flags in the 3rd argument.
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Multiple Firefox profiles
the release channel is recommended for most users, as it is the "official release" channel.
... the page presents a list of all of your profiles, each beginning with "profile: " followed by its name.
... the one being run by this firefox instance will include the bold text "this is the profile in use" for example, if you find that text beneath the entry for "profile: suzie", then you are running in a profile named suzie.
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Starting WebLock
for example, in the case of the xpcom shutdown observation, asubject and adata are not defined, and atopic is defined as the string "xpcom-shutdown".
...for example, you might have a category named "important people" in which the name-value pairs would be names and phone numbers.
...the category name also maps nicely onto the notion of a notification "topic." the topic name could be something like "xpcom-startup", for instance, and the name-value pair could contain the contract ids required to create the components requesting startup.
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Xptcall Porting Status
status status platform contributors and <font color="red">?</font> possible contributors notes <font color="white">done</font> win32 x86 john bandhauer <jband@netscape.com> win32 <font color="white">done</font> linux x86 john bandhauer <jband@netscape.com> ulrich drepper <drepper@cygnus.com> unix <font color="white">done</font> freebsd and netbsd x86 christoph toshok <toshok@hungry.com>, john bandhauer <jband@netscape.com> unix (same as l...
...inux 86 code) <font color="white">done</font> bsd/os x86 bert driehuis <bert_driehuis@nl.compuware.com> unix (same as linux 86 code) bert contributed patches that *should* do the right thing for all the unixish-x86 versions of this code for gcc 2.7 or 2.8 vs.
...bert's details <font color="white">done</font> mac ppc roger lawrence <rogerl@netscape.com>, patrick beard <beard@netscape.com> mac (passing tests and checked in) <font color="white">done</font> solaris sparc roger lawrence <rogerl@netscape.com>, chris mcafee <mcafee@netscape.com> unix this is checked in and working.
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Using files from web applications - Web APIs
this selection can be done by either using an html <input type="file"> element or by drag and drop.
... accessing selected file(s) consider this html: <input type="file" id="input" multiple> the file api makes it possible to access a filelist containing file objects representing the files selected by the user.
...you need to use eventtarget.addeventlistener() to add the change event listener, like this: const inputelement = document.getelementbyid("input"); inputelement.addeventlistener("change", handlefiles, false); function handlefiles() { const filelist = this.files; /* now you can work with the file list */ } getting information about selected file(s) the filelist object provided by the dom lists all of the files selected by the user, each specified as a file object.
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Using DTMF with WebRTC - Web APIs
the dtmf system is often referred to as "touch tone," after an old trade name for the system.
...when the tone buffer is empty, indicating that all the tones have been sent, a tonechange event with its tone property set to "" (an empty string) is delivered to the connection object.
... simple example this simple example constructs two rtcpeerconnections, establishes a connection between them, then waits for the user to click a "dial" button.
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Border-radius generator - CSS: Cascading Style Sheets
border-radius html content <div id="container"> <div class="group section"> <div id="preview" class="col span_12"> <div id="subject"> <div id="top-left" class="radius-container" data-x="left" data-y="top"> </div> <div id="top-right" class="radius-container" data-x="right" data-y="top"> </div> <div id="bottom-right" class="radius-container" data-x="right" data-y="bottom"> </div> <div id="bottom-left" class="radius-container" data-x="left" data-y="bottom"> </div> <div id="rad...
...ius-ui-sliders"> <div id="tlr" class="ui-input-slider" data-topic="top-left" data-unit=" px" data-sensivity="2"></div> <div id="tlw" class="ui-input-slider" data-topic="top-left-w" data-unit=" px" data-sensivity="2"></div> <div id="tlh" class="ui-input-slider" data-topic="top-left-h" data-unit=" px" data-sensivity="2"></div> <div id="trr" class="ui-input-slider" data-topic="top-right" data-unit=" px" data-sensivity="2"></div> <div id="trw" class="ui-input-slider" data-topic="top-right-w" data-unit=" px" data-sensivity="2"></div> <div id="trh" cla...
...ss="ui-input-slider" data-topic="top-right-h" data-unit=" px" data-sensivity="2"></div> <div id="brr" class="ui-input-slider" data-topic="bottom-right" data-unit=" px" data-sensivity="2"></div> <div id="brw" class="ui-input-slider" data-topic="bottom-right-w" data-unit=" px" data-sensivity="2"></div> <div id="brh" class="ui-input-slider" data-topic="bottom-right-h" data-unit=" px" data-sensivity="2"></div> <div id="blr" class="ui-input-slider" data-topic="bottom-left" data-unit=" px" data-sensivity="2"></div> <div id="blw" class="ui-input-slider" data-topic="bottom-l...
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mix-blend-mode - CSS: Cascading Style Sheets
alapplies toall elementsinheritednocomputed valueas specifiedanimation typediscretecreates stacking contextyes formal syntax <blend-mode>where <blend-mode> = normal | multiply | screen | overlay | darken | lighten | color-dodge | color-burn | hard-light | soft-light | difference | exclusion | hue | saturation | color | luminosity examples effect of different mix-blend-mode values <div class="grid"> <div class="col"> <div class="note">blending in isolation (no blending with the background)</div> <div class="row isolate"> <div class="cell"> normal <div class="container normal"> <div class="group"> <div class="item firefox"></div> <svg viewbox="0 0 150 150"> <defs> <lineargradient id="red"> ...
... <stop offset="0" stop-color="hsl(0,100%,50%)" /> <stop offset="100%" stop-color="hsl(0,0%,100%)" /> </lineargradient> <lineargradient id="green"> <stop offset="0" stop-color="hsl(120,100%,50%)" /> <stop offset="100%" stop-color="hsl(120,0%,100%)" /> </lineargradient> <lineargradient id="blue"> <stop offset="0" stop-color="hsl(240,100%,50%)" /> <stop offset="100%" stop-color="hsl(240,0%,100%)" /> </lineargradient> </defs> <ellipse class="item r" cx="75" cy="75" rx="25" ry="70"></ellipse> <ellipse class="item g" cx="75" cy="75" rx="25" ry="70"></ellipse> ...
... <ellipse class="item b" cx="75" cy="75" rx="25" ry="70"></ellipse> </svg> </div> </div> </div> <div class="cell"> multiply <div class="container multiply"> <div class="group"> <div class="item firefox"></div> <svg viewbox="0 0 150 150"> <ellipse class="item r" cx="75" cy="75" rx="25" ry="70"></ellipse> <ellipse class="item g" cx="75" cy="75" rx="25" ry="70"></ellipse> <ellipse class="item b" cx="75" cy="75" rx="25" ry="70"></ellipse> </svg> </div> </div> </div> <div class="cell"> darken <div class="container darken"> <div class="group"> <div class="item firefox"></div> <svg viewbox="...
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Rich-Text Editing in Mozilla - Developer guides
setting up rich-text editing rich-text editing is initialized by setting the designmode property of a document to "on", such as the document inside an iframe.
... once designmode has been set to "on", the document becomes a rich-text editing area and the user can type into it as if it were a textarea.
... similarly, setting contenteditable to "true" allows you to make individual elements of a document editable.
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Assertions - JavaScript
for example, /^a/ does not match the "a" in "an a", but does match the first "a" in "an a".
...for example, /t$/ does not match the "t" in "eater", but does match it in "eat".
... examples: /\bm/ matches the "m" in "moon".
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Strict mode - JavaScript
sometimes you'll see the default, non-strict mode referred to as "sloppy mode".
... javascript's strict mode, introduced in ecmascript 5, is a way to opt in to a restricted variant of javascript, thereby implicitly opting-out of "sloppy mode".
... strict mode for scripts to invoke strict mode for an entire script, put the exact statement "use strict"; (or 'use strict';) before any other statements.
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Content type - SVG: Scalable Vector Graphics
when used in the value of a property in a stylesheet, an <angle> is defined as follows: angle ::= number (~"deg" | ~"grad" | ~"rad")?
... when angles are used in an svg attribute, <angle> is instead defined as follows: angle ::= number ("deg" | "grad" | "rad")?
...the grammar for clock values is repeated here: clock-val ::= full-clock-val | partial-clock-val | timecount-val full-clock-val ::= hours ":" minutes ":" seconds ("." fraction)?
...And 21 more matches

Interacting with page scripts - Archive of obsolete content
in this example a page script adds a string variable foo to the window: <!doctype html"> <html> <head> <script> window.foo = "hello from page script" </script> </head> </html> the content script can see this object if it uses unsafewindow.foo instead of window.foo: // main.js var tabs = require("sdk/tabs"); var mod = require("sdk/page-mod"); var self = require("sdk/self"); var pageurl = self.data.url("page.html") var pagemod = mod.pagemod({ include: pageurl, ...
... contentscript: "console.log(unsafewindow.foo);" }) tabs.open(pageurl); be careful using unsafewindow: you can't rely on any of its properties or functions being, or doing, what you expect.
... expose objects to page scripts until firefox 30, you could use unsafewindow to perform the reverse procedure, and make objects defined in content scripts available to page scripts: // content-script.js unsafewindow.contentscriptobject = {"greeting" : "hello from add-on"}; // page-script.js var button = document.getelementbyid("show-content-script-var"); button.addeventlistener("click", function() { // access object defined by content script console.log(window.contentscriptobject.greeting); // "hello from add-on" }, false); after firefox 30, you can still do this for primitive values, but can no longer do it for objects...
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Custom XUL Elements with XBL - Archive of obsolete content
you should see a new item in the hello world menu, that opens a binding test window where you can add "persons" to a list.
...for now, just notice the opening part of the binding element: <binding id="person">.
...since you can have more than one binding per file, the "#person" part points to the id of the one we want.
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The Essentials of an Extension - Archive of obsolete content
since most other systems are unix-based, the "unix" skin is the default, with no flags.
... <overlay id="xulschoolhello-browser-overlay" xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"> the root element in the file is an overlay.
... <script type="application/x-javascript" src="chrome://xulschoolhello/content/browseroverlay.js" /> just like in html, this includes a javascript script file.
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New Skin Notes - Archive of obsolete content
if you go to your user preferences, you can change the skin to "devmo".
...devmo skin vs cavendish skin --callek i can probably pull-off this patch if needed (quickly), so dria or others do not have to hunt up "how".
... --callek add "what not to do" css class to stylesheet, as discussed on talk:core javascript 1.5 reference.
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Using the Right Markup to Invoke Plugins - Archive of obsolete content
here's an example of this kind of usage for ie: <!-- ie only code --> <object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=5,0,0,0" width="366" height="142" id="myflash"> <param name="movie" value="javascript-to-flash.swf" /> <param name="quality" value="high" /> <param name="swliveconnect" value="true" /> </object> in the above example, the classid attribute that goes along w...
...ith the object element points to a "clsid:" urn followed by the unique identifier of an activex control (in the above example, the string beginning with "d27...").
...additional param elements (which are "children" of the above object element) specify configuration parameters for the flash plugin.
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Introducing a complete toolchain - Learn web development
you would handcode the html, use "vanilla javascript" (meaning no frameworks or intermediary languages), and manually upload it all to a server for hosting.
...netlify is what provides the "home on the web" mentioned above — free hosting for us to deploy our test app to.
... once you've signed up for github (click the sign up link on the homepage if you don't already have an account, and follow the instructions), you can use your github account for authentication on netlify (click sign up, then choose github from the "sign up with one of the following" list), so technically you only need to create one new account.
...And 20 more matches

Debugging on Windows
enable it by going its configuration menu in "debug > other debugging targets > child process debugging settings", and ticking the box.
...you can click "start" button to run firefox then, already attached in the debugger.
...hit "cancel".
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nsITextInputProcessor
you can create an instance of this interface with the following code: var tip = components.classes["@mozilla.org/text-input-processor;1"].
... the following example sets "foo-bar-buzz", "bar" is selected clause to convert, and caret position is the end of the selected clause: // first, sets composition string.
... tip.setpendingcompositionstring("foo-bar-buzz"); // next, append clauses.
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about:debugging (before Firefox 68) - Firefox Developer Tools
opening the about:debugging page there are several different ways to open about:debugging: type "about:debugging" in the firefox url bar.
... in the tools > web developer menu, click "service workers".
... select the web developer menu under the hamburger menu (), then select "service workers".
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SubtleCrypto.wrapKey() - Web APIs
the wrapkey() method of the subtlecrypto interface "wraps" a key.
...this is sometimes called the "wrapping key".
... to use aes-kw, pass the string "aes-kw", or an object of the form { "name": "aes-kw }.
...And 20 more matches

ARIA: row role - Accessibility
an element with role="row" is a row of cells within a tabular structure.
... <div role="table" aria-label="populations" aria-describedby="country_population_desc"> <div id="country_population_desc">world populations by country</div> <div role="rowgroup"> <div role="row"> <span role="columnheader" aria-sort="descending">country</span> <span role="columnheader"aria-sort="none">population</span> </div> </div> <div role="rowgroup"> <div role="row"> <span role="cell">finland</span> <span role="cell">5.5 million</span> </div> <div role="row"> <span role="cell">france</span> <span role="cell">67 million</span> </div> ...
... </div> </div> description the element role="row" is a row within a grid, table or treegrid, and optionally within a rowgroup, that is a container for one or more cells, gridcells, columnheaders, or rowheaders within a static tabular structure.
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ARIA: button role - Accessibility
adding role="button" will make an element appear as a button control to a screen reader.
... <div id="savechanges" tabindex="0" role="button" aria-pressed="false">save</div> the above example creates a simple button which is first in the focus order, though <button> or <input> with type="button" should be used for buttons: <button id="savechanges">save</button> note: if using role="button" instead of the semantic <button> or <input type="button"> elements, you will need to make the element focusable and have to define event handlers for click and keydown events, including the enter and space keys, in order to process the user's input.
... a common convention to inform users a button will launch a dialog is to append "…" (ellipsis) to the button's label, e.g., "save as…".
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Applying color to HTML elements using CSS - HTML: Hypertext Markup Language
how to describe a color in order to represent a color in css, you have to find a way to translate the analog concept of "color" into a digital form that a computer can use.
...if you use the single-digit notation, the final color is computed by using each component's digit twice; that is, "#d" becomes "#dd" when drawing.
... a color in hexadecimal string notation always begins with the character "#".
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Intl.NumberFormat() constructor - JavaScript
possible values include: "adlm", "ahom", "arab", "arabext", "bali", "beng", "bhks", "brah", "cakm", "cham", "deva", "diak", "fullwide", "gong", "gonm", "gujr", "guru", "hanidec", "hmng", "hmnp", "java", "kali", "khmr", "knda", "lana", "lanatham", "laoo", "latn", "lepc", "limb", "mathbold", "mathdbl", "mathmono", "mathsanb", "mathsans", "mlym", "modi", "mong", "mroo", "mtei", "mymr", "mymrshan", "mymrtlng", "newa", "nkoo", ...
..."olck", "orya", "osma", "rohg", "saur", "segment", "shrd", "sind", "sinh", "sora", "sund", "takr", "talu", "tamldec", "telu", "thai", "tibt", "tirh", "vaii", "wara", "wcho".
... options optional an object with some or all of the following properties: compactdisplay only used when notation is "compact".
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Performance fundamentals - Web Performance
framerate is important as a "quality of service" metric.
... computer displays are designed to "fool" user's eyes, by delivering photons to them that mimic reality.
...by manipulating pixels, a reader app emits photons in a similar pattern to "fool" the user's eyes.
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Understanding WebAssembly text format - WebAssembly
so that means the webassembly s-expression: (module (memory 1) (func)) represents a tree with the root node “module” and two child nodes, a "memory" node with the attribute "1" and a "func" node.
...let's start by doing this — first, we'll add a name preceded by a dollar sign, just after the func keyword: (func $add … ) now we need to add an export declaration — this looks like so: (export "add" (func $add)) here, add is the name the function will be identified by in javascript whereas $add picks out which webassembly function inside the module is being exported.
... so our final module (for now) looks like this: (module (func $add (param $lhs i32) (param $rhs i32) (result i32) local.get $lhs local.get $rhs i32.add) (export "add" (func $add)) ) if you want to follow along with the example, save the above our module into a file called add.wat, then convert it into a binary file called add.wasm using wabt (see converting webassembly text format to wasm for details).
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dev/panel - Archive of obsolete content
individual built-in tools, such as the javascript debugger or the web console, occupy "panels" in the toolbox.
...you can use the class utility function: const { panel } = require("dev/panel"); const { class } = require("sdk/core/heritage"); const mypanel = class({ extends: panel, label: "my panel", tooltip: "my new devtool", icon: "./my-devtool.png", url: "./my-devtool.html", setup: function(options) { // my setup goes here }, dispose: function() { // my teardown goes here }, onready: function() { // i can send messages to // the panel d...
...ocument here } }); alternatively, you can use the extend function: const { extend } = require("sdk/core/heritage"); function mypanel() {}; mypanel.prototype = extend(panel.prototype, { label: "my panel", tooltip: "...", ....
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MenuItems - Archive of obsolete content
<keyset> <key id="open-key" modifiers="accel" key="o"/> <key id="close-key" modifiers="accel" key="c"/> </keyset> <menubar> <menu label="view"> <menupopup> <menuitem label="open" key="open-key"/> <menuitem label="close" key="close-key"/> </menupopup> </menu> </menubar> the two menuitems are associated with a key using the key attribute.
...for the "open" item in this example, this command can be invoked by using the "accel" modifier key and pressing 'o'.
... the "accel" modifier key varies on each platform, but is the key typically used for shortcut keys.
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Making decisions in your code — conditionals - Learn web development
human beings (and other animals) make decisions all the time that affect their lives, from small ("should i eat one cookie or two?") to large ("should i stay in my home country and work on my father's farm, or should i move to america and study astrophysics?") conditional statements allow us to represent such decision making in javascript, from the choice that must be made (for example, "one cookie or two"), to the resulting outcome of those choices (perhaps the outcome of "ate one cookie" mig...
...ht be "still felt hungry", and the outcome of "ate two cookies" might be "felt full, but mom scolded me for eating all the cookies".) if...else statements let's look at by far the most common type of conditional statement you'll use in javascript — the humble if...else statement.
... a condition to test, placed inside the parentheses (typically "is this value bigger than this other value?", or "does this value exist?").
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Server-side web frameworks - Learn web development
"web application frameworks") are software frameworks that make it easier to write, maintain and scale web applications.
...every "view" function (a request handler) receives an httprequest object containing request information, and is required to return an httpresponse object with the formatted output (in this case a string).
... @app.route("/") def hello(): return "hello world!" while django expects developers to define a list of url mappings between a url pattern and a view function.
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Accessibility in React - Learn web development
press the tab key, and you will see the outline appear around the "add" button beneath the input.
...keep going until the focus indicator is around the first "edit" button.
... focusing between templates when a user toggles a <todo/> template from viewing to editing, we should focus on the <input> used to rename it; when they toggle back from editing to viewing, we should move focus back to the "edit" button.
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Componentizing our React app - Learn web development
defining our first component defining a component can seem tricky until you have some practice, but the gist is: if it represents an obvious "chunk" of your app, it's probably a component if it gets reused often, it's probably a component.
...open it up and give it its first line: import react from "react"; since we're going to make a component called todo, you can start adding the code for that to todo.js too, as follows.
...go back to src/app.js, copy the first <li> from inside the unordered list, and paste it into todo.js so that it reads like this: export default function todo() { return ( <li classname="todo stack-small"> <div classname="c-cb"> <input id="todo-0" type="checkbox" defaultchecked={true} /> <label classname="todo-label" htmlfor="todo-0"> eat </label> </div> <div classname="btn-group"> <button type="button" classname="btn"> edit <span classname="visually-hidden">eat</span> </button> <button type="button" classname="btn bt...
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React interactivity: Events and state - Learn web development
for example: const btn = document.queryselector('button'); btn.addeventlistener('click', () => { alert("hi!"); }); in react, we write event handlers directly on the elements in our jsx, like this: <button type="button" onclick={() => alert("hi!")} > say hi!
...it should end up looking something like this: function handlesubmit(e) { e.preventdefault(); alert('hello, world!'); } to use this function, add an onsubmit attribute to the <form> element, and set its value to the handlesubmit function: <form onsubmit={handlesubmit}> now if you head back to your browser and click on the "add" button, your browser will show you an alert dialog with the words "hello, world!" — or whatever you chose to write there.
...update it as follows: function handlesubmit(e) { e.preventdefault(); props.addtask("say hello!"); } clicking on the "add" button in your browser will prove that the addtask() callback function works, but it'd be nice if we could get the alert to show us what we're typing in our input field!
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Examples
components.utils.import("resource://gre/modules/osfile.jsm") let path = os.path.join(os.constants.path.tmpdir, "file.txt"); let promise = os.file.exists(path); let newpromise = promise.then(function onfulfill(aexists) { if (aexists) { console.log("you have file.txt in your temporary directory."); } else { throw new error("you don't have file.txt in your temporary directory."); } }); // unexpected errors should always be reported at the end of a promise chain.
... components.utils.import("resource://gre/modules/osfile.jsm") let path = os.path.join(os.constants.path.tmpdir, "file.txt"); let promise = os.file.exists(path); let newpromise = promise.then(function onfulfill(aexists) { if (aexists) { console.log("you have file.txt in your temporary directory."); } else { console.log("you don't have file.txt in your temporary directory."); } }); // unexpected errors should always be reported at the end of a promise chain.
... using a promise returned by a function (compact) the same code as the previous example is usually written with a more compact syntax: components.utils.import("resource://gre/modules/osfile.jsm") let path = os.path.join(os.constants.path.tmpdir, "file.txt"); os.file.exists(path).then(exists => { console.log(exists ?
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NSS tools : modutil
for the most basic case, simply upload the library: modutil -add modulename -libfile library-file [-ciphers cipher-enable-list] [-mechanisms mechanism-list] for example: modutil -dbdir sql:/home/my/sharednssdb -add "example pkcs #11 module" -libfile "/tmp/crypto.so" -mechanisms rsa:dsa:rc2:random using database directory ...
... module "example pkcs #11 module" added to database.
...for example: platforms { linux:5.4.08:x86 { modulename { "example pkcs #11 module" } modulefile { crypto.so } defaultmechanismflags{0x0000} cipherenableflags{0x0000} files { crypto.so { path{ /tmp/crypto.so } } setup.sh { executable path{ /tmp/setup.sh } } } } linux:6.0.0:x86 { equivalentplatform { linux:5.4.08:x86 } } } both the install script and the required libraries must be bundled in a jar file, which is specified with the -jar a...
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NSS tools : modutil
for the most basic case, simply upload the library: modutil -add modulename -libfile library-file [-ciphers cipher-enable-list] [-mechanisms mechanism-list] for example: modutil -dbdir sql:/home/my/sharednssdb -add "example pkcs #11 module" -libfile "/tmp/crypto.so" -mechanisms rsa:dsa:rc2:random using database directory ...
... module "example pkcs #11 module" added to database.
...for example: platforms { linux:5.4.08:x86 { modulename { "example pkcs #11 module" } modulefile { crypto.so } defaultmechanismflags{0x0000} cipherenableflags{0x0000} files { crypto.so { path{ /tmp/crypto.so } } setup.sh { executable path{ /tmp/setup.sh } } } } linux:6.0.0:x86 { equivalentplatform { linux:5.4.08:x86 } } } ...
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Debugger.Frame - Firefox Developer Tools
a frame is a visible frame if any of the following are true: it is running debuggee code; its immediate caller is a frame running debuggee code; or it is a "debugger" frame, representing the continuation of debuggee code invoked by the debugger.
...(this is never one of the the debugger’s own frames; those never appear as debugger.frame instances.) push a "debugger" frame on the stack, witholder as its older property.
... invoke the debuggee code as appropriate for the given invocation function, with the "debugger" frame as its continuation.
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Cross-browser audio basics - Developer guides
this article provides: a basic guide to creating a cross-browser html5 audio player with all the associated attributes, properties, and events explained a guide to custom controls created using the media api basic audio example the code below is an example of a basic audio implementation using html5: <audio controls> <source src="audiofile.mp3" type="audio/mpeg"> <source src="audiofile.ogg" type="audio/ogg"> <!-- fallback for non supporting browsers goes here --> <p>your browser does not support html5 audio, but you can still <a href="audiofile.mp3">download the music</a>.</p> </audio> note: you can also use an mp4 file instead of mp3.
...you can use type="audio/mp4".
... <audio preload="auto"> ...
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String.prototype.normalize() - JavaScript
syntax str.normalize([form]) parameters form optional one of "nfc", "nfd", "nfkc", or "nfkd", specifying the unicode normalization form.
... if omitted or undefined, "nfc" is used.
... these values have the following meanings: "nfc" canonical decomposition, followed by canonical composition.
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requiredFeatures - SVG: Scalable Vector Graphics
e using this attribute: <a>, <altglyph>, <animate>, <animatecolor>, <animatemotion>, <animatetransform>, <circle>, <clippath>, <cursor>, <defs>, <ellipse>, <foreignobject>, <g>, <image>, <line>, <mask>, <path>, <pattern>, <polygon>, <polyline>, <rect>, <set>, <svg>, <switch>, <text>, <textpath>, <tref>, <tspan>, <use> html, body, svg { height: 100%; } text { fill: white; } <svg viewbox="0 0 250 45" xmlns="http://www.w3.org/2000/svg"> <g> <rect fill="forestgreen" x="10" y="10" height="25" width="230" /> <text x="20" y="27">requiredfeatures supported</text> </g> <g requiredfeatures=""> <rect fill="crimson" x="10" y="10" height="25" width="230" /> <text x="20" y="27">requiredfeatures not supported</text> </g> </svg> usage notes value <list-of...
...ern>, <font-face-src>, <font-face-uri>, <font-face-format> and <font-face-name> elements http://www.w3.org/tr/svg11/feature#basicfont the browser supports the <font>, <font-face>, <glyph>, <missing-glyph>, <hkern>, <font-face-src> and <font-face-name> elements http://www.w3.org/tr/svg11/feature#extensibility the browser supports the <foreignobject> element example svg <svg width="450" height="1170" xmlns="http://www.w3.org/2000/svg"> <!-- testing : http://www.w3.org/tr/svg11/feature#svg --> <rect class="ko" x="10" y="10" height="25" width="430" /> <rect class="ok" x="10" y="10" height="25" width="430" requiredfeatures="http://www.w3.org/tr/svg11/feature#svg" /> <text x="20" y="27">http://www.w3.org/tr/svg11/feature#svg</text> <!-- testing : http://www.w3.org...
.../tr/svg11/feature#svgdom --> <rect class="ko" x="10" y="35" height="25" width="430" /> <rect class="ok" x="10" y="35" height="25" width="430" requiredfeatures="http://www.w3.org/tr/svg11/feature#svgdom" /> <text x="20" y="52">http://www.w3.org/tr/svg11/feature#svgdom</text> <!-- testing : http://www.w3.org/tr/svg11/feature#svg-static --> <rect class="ko" x="10" y="60" height="25" width="430" /> <rect class="ok" x="10" y="60" height="25" width="430" requiredfeatures="http://www.w3.org/tr/svg11/feature#svg-static" /> <text x="20" y="77">http://www.w3.org/tr/svg11/feature#svg-static</text> <!-- testing : http://www.w3.org/tr/svg11/feature#svgdom-static --> <rect class="ko" x="10" y="85" height="25" width="430" /> <rect class="ok" x="10" y="85" height="25" width="430...
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system - Archive of obsolete content
var system = require("sdk/system"); // path environment variable console.log(system.env.path); // operating system console.log("platform = " + system.platform); // processor architecture console.log("architecture = " + system.architecture); // compiler used to build host application console.log("compiler = " + system.compiler); // host application build identifier console.log("build = " + system.build); // host application uuid console.log("id = " + syste...
...m.id); // host application name console.log("name = " + system.name); // host application version console.log("version = " + system.version); // host application vendor console.log("vendor = " + system.vendor); // host application profile directory console.log("profile directory = " + system.pathfor("profd")); quit the host application to quit the host application, use the exit() function.
... var system = require("sdk/system"); system.exit(); globals functions exit(code) quits the host application with the specified code.
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Forms related code snippets - Archive of obsolete content
date picker (before implementing it in a working environment, please read the note about the const statement compatibility) <!doctype html> <html> <head> <meta http-equiv="content-type" content="text/html; charset=utf-8" /> <title>datepicker example - mdn</title> <script type="text/javascript"> /*\ |*| |*| datepicker example mdndeveloper network |*| |*| https://developer.mozilla.org/docs/code_snippets/forms |*| https://developer.mozilla.org/user:fusionchess |*| |*| this snippet is released under the gnu public license, version 3 or later.
... |*| http://www.gnu.org/licenses/gpl-3.0-standalone.html |*| \*/ (function () { function datepicker (otarget) { const otable = document.createelement("table"), ohrow = document.createelement("tr"), othead = document.createelement("thead"), ocapt = document.createelement("caption"), odecryear = document.createelement("span"), oincryear = document.createelement("span"), odecrmonth = document.createelement("span"), oincrmonth = document.createelement("span"); var nid = ainstances.length, oth; this.target = otarget; this.display = document.createelement("span"); this.current = new date(); this.container = otable; this.display.classname = sprefs + "-current-month"; this.id = nid; otable.classname = sprefs + "-calendar"; ...
... otable.id = sprefs + "-cal-" + nid; odecryear.classname = sprefs + "-decrease-year"; odecrmonth.classname = sprefs + "-decrease-month"; oincrmonth.classname = sprefs + "-increase-month"; oincryear.classname = sprefs + "-increase-year"; odecryear.innerhtml = "\u00ab"; /* &laquo; */ odecrmonth.innerhtml = "\u003c"; /* &lt; */ oincrmonth.innerhtml = "\u003e"; /* &gt; */ oincryear.innerhtml = "\u00bb"; /* &raquo; */ odecryear.id = sprefs + "-decr-year-" + nid; odecrmonth.id = sprefs + "-decr-month-" + nid; oincrmonth.id = sprefs + "-incr-month-" + nid; oincryear.id = sprefs + "-incr-year-" + nid; odecryear.onmousedown = oincryear.onmousedown = odecrmonth.onmousedown = oincrmonth.onmousedown = onheadclick; for (var nthid = 0; nthid < 7...
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generateCRMFRequest() - Archive of obsolete content
crmfobject = crypto.generatecrmfrequest("requesteddn", "regtoken", "authenticator", "escrowauthoritycert", "crmf generation done code", keysize1, "keyparams1", "keygenalg1", ..., keysizen, "keyparamsn", "keygenalgn"); this method will generate a sequence of crmf requests that has...
...the "escrowauthoritycert" parameter will only be used for requests that pertain to a key that is being escrowed.
... after the "escrowauthoritycert" parameter, the method takes some javascript code that is invoked when the crmf request is ready.
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Elements - Archive of obsolete content
helloworld.html: <!doctype html public "-//w3c//dtd html 4.01//en"> <html> <head> <title>hello world!</title> <style type="text/css"> p { -moz-binding: url(hello.xml#default); } #p03 { -moz-binding: url(hello.xml#hello2); } </style> </head> <body> <p>default content</p> <p>default content</p> <p id="p03">default content</p> </body> </html> hello.xml: <?xml version="1.0"?> <bindings xmlns="http://www.mozilla.org/xbl" xmlns...
...:html="http://www.w3.org/1999/xhtml"> <binding id="default"> <content><html:b>hello world!
... </html:b><children/></content> </binding> <binding id="hello2"> <content><html:b>hello from my binding!
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Building accessible custom components in XUL - Archive of obsolete content
firefox 1.5 is the first browser to support dhtml accessibility; it maps the declarations within the html page to the underlying accessibility architecture so that assistive technologies can "read" a web page and know how to present these complex controls to the end user.
...<code> <grid class="spreadsheet" id="accjaxspreadsheet" flex="1"> <rows flex="1"></rows> <columns flex="1"> <column> <description value="entry #"/> <description value="1"/> <description value="2"/> <description value="3"/> <description value="4"/> <description value="5"/> <description value="6"/> <description value="7"/> </column> <column flex="1"> ...
... <description value="date"/> <label value="03/14/05" flex="1"/> <label value="03/15/05" flex="1"/> <label value="03/15/05" flex="1"/> <label value="03/16/05" flex="1"/> <label value="03/16/05" flex="1"/> <label value="03/16/05" flex="1"/> <label value="03/16/05" flex="1"/> </column> <column flex="1"> <description value="expense"/> <label value="conference fee" flex="1"/> <label value="lodging" flex="1"/> <label value="dinner" flex="1"/> <label value="lodging" flex="1"/> <label value="breakfast" flex="1"/> <label value="lunch" flex="1"/> <label value="dinner" flex="1"/> </column> <-- several columns omitted for brevity --> </columns> </grid> </code> now we can use css to add some minimal s...
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HTML text fundamentals - Learn web development
the rain lashed down on the ...</p> <h2>chapter 2: the eternal silence</h2> <p>our protagonist could not so much as a whisper out of the shadowy figure ...</p> <h3>the specter speaks</h3> <p>several more hours had passed, when all of a sudden the specter sat bolt upright and exclaimed, "please have mercy on my soul!"</p> it's really up to you what the elements involved represent, as long as the hierarchy makes sense.
... playable code <h2>live output</h2> <div class="output" style="min-height: 50px;"> </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.
... my legs are made of cardboard and i am married to a fish.</textarea> <div class="playable-buttons"> <input id="reset" type="button" value="reset"> <input id="solution" type="button" value="show solution"> </div> html { font-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 = ...
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Componentizing our Svelte app - Learn web development
todosstatus.svelte: the "x out of y items completed" heading.
...add the following content into the file: <script> export let filter = 'all' </script> <div class="filters btn-group stack-exception"> <button class="btn toggle-btn" class:btn__primary={filter === 'all'} aria-pressed={filter === 'all'} on:click={()=> filter = 'all'} > <span class="visually-hidden">show</span> <span>all</span> <span class="visually-hidden">tasks</span> </button> <button class="btn toggle-btn" class:btn__primary={filter === 'active'} aria-pressed={filter === 'ac...
...tive'} on:click={()=> filter = 'active'} > <span class="visually-hidden">show</span> <span>active</span> <span class="visually-hidden">tasks</span> </button> <button class="btn toggle-btn" class:btn__primary={filter === 'completed'} aria-pressed={filter === 'completed'} on:click={()=> filter = 'completed'} > <span class="visually-hidden">show</span> <span>completed</span> <span class="visually-hidden">tasks</span> </button> </div> back in our todos.svelte component, we want to make use of our filterbutton component.
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Timing element visibility with the Intersection Observer API - Web APIs
we'll be using css grid to style and lay out the site, so we can be pretty straightforward here: <div class="wrapper"> <header> <h1>a fake blog</h1> <h2>showing intersection observer in action!</h2> </header> <aside> <nav> <ul> <li><a href="#link1">a link</a></li> <li><a href="#link2">another link</a></li> <li><a href="#link3">one more link</a></li> </ul> </nav> </aside> <main> </main> </div> this is the framework for the entire site.
... body { font-family: "open sans", "arial", "helvetica", sans-serif; background-color: aliceblue; } .wrapper { display: grid; grid-template-columns: auto minmax(min-content, 1fr); grid-template-rows: auto minmax(min-content, 1fr); max-width: 700px; margin: 0 auto; background-color: aliceblue; } the site's <body> is configured here to use one of a number of common sans-serif fonts, and to use "aliceblue" ...
...then the "wrapper" class is defined; it wraps the entire blog, including the header, sidebar, and body content (articles and ads).
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Inputs and input sources - Web APIs
selecting using the main "select" button or other input on the controller to choose the targeted direction (or the object at which it points), or to otherwise engage an action.
...it can also be useful if your app uses the notion of "main hand" and "off hand" for determining the functionality of a controller; in a game, for example, the main hand controller may be the player's weapon while the off hand controller might be used to control the positioning of a shield.
... for example, if you need to keep up with which controller is held in each of the player's hands, you might do something like this: let inputsourcelist = null; let lefthandsource = null; let righthandsource = null; xrsession.addeventlistener("inputsourceschange", event => { inputsourcelist = event.session.inputsources; inputsourcelist.foreach(source => { switch(source) { case "left": lefthandsource = source; break; case "right": righthandsource = source; break; } }); }); the inputsourceschange event is also fired once when the session's creation callback first completes executi...
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Regular expressions - JavaScript
for example, the pattern /abc/ matches character combinations in strings only when the exact sequence "abc" occurs (all characters together and in that order).
... such a match would succeed in the strings "hi, do you know your abc's?" and "the latest airplane designs evolved from slabcraft." in both cases the match is with the substring "abc".
... there is no match in the string "grab crab" because while it contains the substring "ab c", it does not contain the exact substring "abc".
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Promise - JavaScript
not to be confused with: several other languages have mechanisms for lazy evaluation and deferring a computation, which they also call "promises", e.g.
...the termination condition of these functions determines the "settled" state of the next promise in the chain.
... any termination other than a throw creates a "resolved" state, while terminating with a throw creates a "rejected" state.
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ui/sidebar - Archive of obsolete content
unlike modules such as panel, the content must be local, typically loaded from the add-on's data directory via a url constructed using self.data.url(): var sidebar = require("sdk/ui/sidebar").sidebar({ id: 'my-sidebar', title: 'my sidebar', url: require("sdk/self").data.url("sidebar.html") }); from firefox 34, you can use "./sidebar.html" as an alias for self.data.url("sidebar.html").
... so you can rewrite the above code like this: var sidebar = require("sdk/ui/sidebar").sidebar({ id: 'my-sidebar', title: 'my sidebar', url: "./sidebar.html" }); you can include javascript and css from the html as you would with any web page, for example using <script> and <link> tags containing a path relative to the html file itself.
... <!doctype html> <html> <head> <link href="stuff.css" type="text/css" rel="stylesheet"> </head> <body> <script type="text/javascript" src="stuff.js"></script> </body> </html> you can update the sidebar's content by setting the sidebar's url property.
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Miscellaneous - Archive of obsolete content
system info operating system detection // returns "winnt" on windows vista, xp, 2000, and nt systems; // "linux" on gnu/linux; and "darwin" on mac os x.
... var osstring = services.appinfo.os; detecting the host application and version // get the name of the application running us services.appinfo.name; // returns "firefox" for firefox services.appinfo.version; // returns "2.0.0.1" for firefox version 2.0.0.1 retrieving the version of an extension as specified in the extension's install.rdf components.utils.import("resource://gre/modules/addonmanager.jsm"); addonmanager.getaddonbyid("extension-guid@example.org", function(addon) { // this is an asynchronous callback function that might not be called immediately alert("my extension's version is " + addon.version); }); restarting firefox/thunderbird/seamonkey_2.0 for firefox 3 see onwizardfinish around here: http://mxr.mozilla.org/seamonkey/sou...pdates.js#1639 for firefox 2 see ar...
... <div id="scrollarea" style="overflow: scroll; height: 6em; width: 10em;"> this is the scrolling area.
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Signing an XPI - Archive of obsolete content
-p"password" using certificate directory: .
...enter "y" to continue, or anything else to abort: y enter certificate information.
...certificate common name: xpi test organization: tjworld organization unit: software state or province: nottingham country (must be exactly 2 characters): gb username: tj email address: certificates@lan.tjworld.net generated public/private key pair certificate request generated certificate has been signed certificate "mytestcert" added to database exported certificate to x509.raw and x509.cacert.
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