animation-timing-function - CSS: Cascading Style Sheets
the animation-timing-function css property sets how an animation progresses through the duration of each cycle.
... syntax /* keyword values */ animation-timing-function: ease; animation-timing-function: ease-in; animation-timing-function: ease-out; animation-timing-function: ease-in-out; animation-timing-function: linear; animation-timing-function: step-start; animation-timing-function: step-end; /* function values */ animation-timing-function: cubic-bezier(0.1, 0.7, 1.0, 0.1); animation-timing-function: steps(4, end); /* steps function keywords */ animation-timing-function:...
... steps(4, jump-start); animation-timing-function: steps(10, jump-end); animation-timing-function: steps(20, jump-none); animation-timing-function: steps(5, jump-both); animation-timing-function: steps(6, start); animation-timing-function: steps(8, end); /* multiple animations */ animation-timing-function: ease, step-start, cubic-bezier(0.1, 0.7, 1.0, 0.1); /* global values */ animation-timing-function: inherit; animation-timing-function: initial; animation-timing-function: unset; timing functions may be specified on individual keyframes in a @keyframes rule.
...And 10 more matches

min-height - CSS: Cascading Style Sheets
the min-height css property sets the minimum height of an element.
... it prevents the used value of the height property from becoming smaller than the value specified for min-height.
... the element's height is set to the value of min-height whenever min-height is larger than max-height or height.
...And 10 more matches

transition-timing-function - CSS: Cascading Style Sheets
the transition-timing-function css property sets how intermediate values are calculated for css properties being affected by a transition effect.
... this acceleration curve is defined using one <timing-function> for each property to be transitioned.
... you may specify multiple timing functions; each one will be applied to the corresponding property as specified by the transition-property property, which acts as a transition-property list.
...And 10 more matches

NSPR's Position On Abrupt Thread Termination
i resist including this function in nspr because it results in bad programming practice and unsupportable programs.
...abrupt termination has been available in the unix/c environment for some time (exit()), and i assume that the basic semantics defined there are applicable here.
... in that environment, exit() may be called and any time, and results in the calling thread's immediate termination.
...And 9 more matches

Navigation Timing API - Web APIs
the navigation timing api provides data that can be used to measure the performance of a web site.
... unlike javascript-based libraries that have historically been used to collect similar information, the navigation timing api can be much more accurate and reliable.
... this article currently describes navigation timing level 1.
...And 9 more matches

minmax() - CSS: Cascading Style Sheets
the minmax() css function defines a size range greater than or equal to min and less than or equal to max.
... syntax /* <inflexible-breadth>, <track-breadth> values */ minmax(200px, 1fr) minmax(400px, 50%) minmax(30%, 300px) minmax(100px, max-content) minmax(min-content, 400px) minmax(max-content, auto) minmax(auto, 300px) minmax(min-content, auto) /* <fixed-breadth>, <track-breadth> values */ minmax(200px, 1fr) minmax(30%, 300px) minmax(400px, 50%) minmax(50%, min-content) minmax(300px, max-content) minmax(200px, auto) /* <inflexible-breadth>, <fixed-breadth> values */ minmax(400px, 50%) minmax(30%, 300px) minmax(min-content, 200px) minmax(max-c...
...ontent, 200px) minmax(auto, 300px) a function taking two parameters, min and max.
...And 9 more matches

HTML attribute: min - HTML: Hypertext Markup Language
the min attribute defines the minimum value that is acceptable and valid for the input containing the attribute.
...if a value is specified for min that isn't a valid number, the input has no minimum value.
... valid for the numeric input types, including the date, month, week, time, datetime-local, number and range types, and the <meter> element, the min attribute is a number that specifies the most negative value a form control to be considered valid.
...And 9 more matches

Capturing a minidump
minidumps are files created by various windows tools which record the complete state of a program as it's running, or as it was at the moment of a crash.
... small minidumps are created by the breakpad crash reporting tool, but sometimes that's not sufficient to diagnose a problem.
... for example, if the application is hanging (not responding to input, but hasn't crashed) then breakpad is not triggered, and it can be difficult to determine where the problem lies.
...And 8 more matches

General asynchronous programming concepts - Learn web development
overview: asynchronous next in this article, we'll run through a number of important concepts relating to asynchronous programming, and how this looks in web browsers and javascript.
... objective: to understand the basic concepts behind asynchronous programming, and how they manifest in web browsers and javascript.
...this lets you get other work done in the meantime, which is the basis of asynchronous programming.
...And 7 more matches

Timing element visibility with the Intersection Observer API - Web APIs
when an ad exceeds one minute of visible time, it will be replaced with a new one.
... 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" as the background color.
...if that's the case, and the ad has been visible for at least a minute total, we call a function we'll create called replacead() to replace the existing ad with a new one.
...And 7 more matches

min() - CSS: Cascading Style Sheets
the min() css function lets you set the smallest (most negative) value from a list of comma-separated expressions as the value of a css property value.
... the min() function can be used anywhere a <length>, <frequency>, <angle>, <time>, <percentage>, <number>, or <integer> is allowed.
...think of the min() value as providing the maximum value a property can have.
...And 6 more matches

Server-Timing - HTTP
the server-timing header communicates one or more metrics and descriptions for a given request-response cycle.
... it is used to surface any backend server timing metrics (e.g.
... database read/write, cpu time, file system access, etc.) in the developer tools in the user's browser or in the performanceservertiming interface.
...And 6 more matches

Graceful asynchronous programming with Promises - Learn web development
it then calls getusermedia(), asking for a stream that has both video and audio tracks, then once that's been obtained, sets up a video element to show the stream coming from the camera as a "self view," then takes each of the stream's tracks and adds them to the webrtc rtcpeerconnection representing a connection to another user.
...as long as the app doesn't assume that streaming has begun, it can just keep on running.
...this can take a while if you are indecisive, and may fail if you just can't make up your mind, or decide to get a curry instead.
...And 5 more matches

AnimationEffect.getComputedTiming() - Web APIs
the getcomputedtiming() method of the animationeffect interface returns the calculated timing properties for this animation effect.
... although many of the attributes of the returned object are common to the effecttiming contained in the object returned by the animationeffect.gettiming() method, the values returned by this object differ in the following ways: duration returns the calculated value of the iteration duration.
... if effecttiming.duration is the string auto, this attribute will return 0.
...And 5 more matches

EffectTiming.easing - Web APIs
the effecttiming dictionary's easing property in the web animations api specifies the timing function used to scale the time to produce easing effects, where easing is the rate of the animation's change over time.
... element.animate(), keyframeeffectreadonly(), and keyframeeffect() all accept an object of timing properties including easing.
... the value of easing corresponds directly to animationeffecttimingreadonly.easing in timing objects returned by animationeffectreadonly, keyframeeffectreadonly, and keyframeeffect.
...And 5 more matches

EffectTiming.fill - Web APIs
the web animations api's effecttiming dictionary's fill property specifies a fill mode, which defines how the element to which the animation is applied should look when the animation sequence is not actively running, such as before the time specified by iterationstart or after animation's end time.
... element.animate(), and keyframeeffect() accept an object of timing properties including fill.
... the value of fill corresponds directly to fill in effecttiming objects returned by gettiming() in animationeffect and keyframeeffect.
...And 5 more matches

Using Navigation Timing - Web APIs
the navigation timing api lets you easily obtain detailed and highly accurate timing information to help isolate performance problems with your site's code or resources.
... unlike other tools or libraries, the navigation timing api lets you gather information that only the browser can provide at a level of accuracy much improved over other techniques.
... it also offers the advantage of being able to provide timing information as perceived by the user rather than data that has no correlation to what the user experiences.
...And 5 more matches

PerformanceServerTiming - Web APIs
the performanceservertiming interface surfaces server metrics that are sent with the response in the server-timing http header.
... this interface is restricted to the same origin, but you can use the timing-allow-origin header to specify the domains that are allowed to access the server metrics.
... properties performanceservertiming.descriptionread only a domstring value of the server-specified metric description, or an empty string.
...And 5 more matches

HTML attribute: minlength - HTML: Hypertext Markup Language
the minlength attribute defines the minimum number of characters (as utf-16 code units) the user can enter into an <input> or <textarea>.
...if no minlength is specified, or an invalid value is specified, the input has no minimum length.
... the input will fail constraint validation if the length of the text value of the field is less than minlength utf-16 code units long, with validitystate.tooshort returning true.
...And 5 more matches

Number.MIN_VALUE - JavaScript
the number.min_value property represents the smallest positive numeric value representable in javascript.
... property attributes of number.min_value writable no enumerable no configurable no description the min_value property is the number closest to 0, not the most negative number, that javascript can represent.
... min_value has a value of approximately 5e-324.
...And 5 more matches

WebAssembly.compileStreaming() - JavaScript
the webassembly.compilestreaming() function compiles a webassembly.module directly from a streamed underlying source.
... this function is useful if it is necessary to a compile a module before it can be instantiated (otherwise, the webassembly.instantiatestreaming() function should be used).
... syntax promise<webassembly.module> webassembly.compilestreaming(source); parameters source a response object or a promise that will fulfill with one, representing the underlying source of a .wasm module you want to stream and compile.
...And 5 more matches

PerformanceEventTiming - Web APIs
the performanceeventtiming interface of the event timing api provides timing information for the event types listed below.
... compositionupdate contextmenu dblclick dragend dragenter dragleave dragover dragstart drop input keydown keypress keyup mousedown mouseenter mouseleave mouseout mouseover mouseup pointerover pointerenter pointerdown pointerup pointercancel pointerout pointerleave gotpointercapture lostpointercapture touchstart touchend touchcancel properties performanceeventtiming.processingstart returns the time at which event dispatch started.
... performanceeventtiming.processingend returns the time at which the event dispatch ended.
...And 4 more matches

TaskAttributionTiming - Web APIs
the taskattributiontiming interface of the long tasks api returns information about the work involved in a long task and its associate frame context.
... <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/performanceentry" target="_top"><rect x="1" y="1" width="160" height="50" fill="#fff" stroke="#d4dde4" stroke-width="2px" /><text x="81" y="30" font-size="12px" font-family="consolas,monaco,andale mono,monospace" fill="#4d4e53" text-anchor="middle" alignment-baseline="middle">performanceentry</text></a><polyline points="161,25 171,20 171,30 161,25" strok...
...e="#d4dde4" fill="none"/><line x1="171" y1="25" x2="201" y2="25" stroke="#d4dde4"/><a xlink:href="/docs/web/api/taskattributiontiming" target="_top"><rect x="201" y="1" width="210" height="50" fill="#f4f7f8" stroke="#d4dde4" stroke-width="2px" /><text x="306" y="30" font-size="12px" font-family="consolas,monaco,andale mono,monospace" fill="#4d4e53" text-anchor="middle" alignment-baseline="middle">taskattributiontiming</text></a></svg></div> a:hover text { fill: #0095dd; pointer-events: all;} properties taskattributiontiming.containertype read only returns the type of frame container, one of iframe, embed, or object.
...And 4 more matches

User Timing API - Web APIs
the user timing interface allows the developer to create application specific timestamps that are part of the browser's performance timeline.
... there are two types of user defined timing event types: the "mark" event type and the "measure" event type.
... this document provides an overview of the mark and measure performance event types including the four user timing methods that extend the performance interface.
...And 4 more matches

Date.prototype.setMinutes() - JavaScript
the setminutes() method sets the minutes for a specified date according to local time.
... syntax dateobj.setminutes(minutesvalue[, secondsvalue[, msvalue]]) versions prior to javascript 1.3 dateobj.setminutes(minutesvalue) parameters minutesvalue an integer between 0 and 59, representing the minutes.
...if you specify the secondsvalue parameter, you must also specify the minutesvalue.
...And 4 more matches

Date.prototype.setUTCMinutes() - JavaScript
the setutcminutes() method sets the minutes for a specified date according to universal time.
... syntax dateobj.setutcminutes(minutesvalue[, secondsvalue[, msvalue]]) parameters minutesvalue an integer between 0 and 59, representing the minutes.
...if you specify the secondsvalue parameter, you must also specify the minutesvalue.
...And 4 more matches

Intl.Locale.prototype.minimize() - JavaScript
the intl.locale.prototype.minimize() method attempts to remove information about the locale that would be added by calling locale.maximize().
... syntax locale.minimize() return value a locale instance whose basename property returns the result of the remove likely subtags algorithm executed against locale.basename.
...minimize() only affects the main subtags that comprise the language identifier: language, script, and region subtags.
...And 4 more matches

WebAssembly.instantiateStreaming() - JavaScript
the webassembly.instantiatestreaming() function compiles and instantiates a webassembly module directly from a streamed underlying source.
... syntax promise<resultobject> webassembly.instantiatestreaming(source, importobject); parameters source a response object or a promise that will fulfill with one, representing the underlying source of a .wasm module you want to stream, compile, and instantiate.
... examples instantiating streaming the following example (see our instantiate-streaming.html demo on github, and view it live also) directly streams a .wasm module from an underlying source then compiles and instantiates it, the promise fulfilling with a resultobject.
...And 4 more matches

Server-side website programming first steps - Learn web development
in this module we answer a few fundamental questions about server-side programming — "what is it?", "how does it differ from client-side programming?", and "why is it so useful?".
... prerequisites before starting this module, you don't need to have any knowledge of server-side website programming, or indeed any other type of programming.
... guides introduction to the server side welcome to the mdn beginner's server-side programming course!
...And 3 more matches

nsIMsgIncomingServer
nsimsgincomingserver mailnews/base/public/nsimsgincomingserver.idlscriptable ???
...rbird 3.0 / seamonkey 2.0) method overview void clearallvalues(); void cleartemporaryreturnreceiptsfilter(); void closecachedconnections(); void configuretemporaryfilters(in nsimsgfilterlist filterlist); void configuretemporaryreturnreceiptsfilter(in nsimsgfilterlist filterlist); obsolete since gecko 1.8 void displayofflinemsg(in nsimsgwindow awindow); boolean equals(in nsimsgincomingserver server); void forgetpassword(); void forgetsessionpassword(); astring generateprettynameformigration(); boolean getboolattribute(in string name); boolean getboolvalue(in string attr); acstring getcharattribute(in string name); acstring getcharvalue(in string attr); nsilocalfile getfilevalue(in string relpref, in string abspref); nsimsgfilterlist getfilterlist(in nsimsgwin...
... biffminutes long biffstate unsigned long canbedefaultserver boolean read only.
...And 3 more matches

Dominators - Firefox Developer Tools
this article provides an introduction to the concepts of reachability, shallow versus retained size, and dominators, as they apply in garbage-collected languages like javascript.
... you can see the dominators in a page using the dominators view in the memory tool.
... dominators a related concept is that of the dominator.
...And 3 more matches

EffectTiming.endDelay - Web APIs
the enddelay property of the effecttiming dictionary (part of the web animations api) indicates the number of milliseconds to delay after the active period of an animation sequence.
... the animation's end time—the time at which an iteration is considered to have finished—is the time at which the animation finishes an iteration (its initial delay, animationeffecttimingreadonly.delay, plus its duration,duration, plus its end delay.
...for now, its main purpose is to represent the value of the svg min attribute.
...And 3 more matches

performance.setResourceTimingBufferSize() - Web APIs
the setresourcetimingbuffersize() method sets the browser's resource timing buffer size to the specified number of "resource" performance entry type objects.
... a browser's recommended resource timing buffer size is at least 150 performance entry objects.
... syntax performance.setresourcetimingbuffersize(maxsize); arguments maxsize a number representing the maximum number of performance entry objects the browser should hold in its performance entry buffer.
...And 3 more matches

PerformanceTiming.connectEnd - Web APIs
this interface of this property is deprecated in the navigation timing level 2 specification.
... please use the performancenavigationtiming interface instead.
... the legacy performancetiming.connectend read-only property returns an unsigned long long representing the moment, in miliseconds since the unix epoch, where the connection is opened network.
...And 3 more matches

Using the aria-valuemin attribute - Accessibility
the aria-valuemin attribute is used to define the minimum value allowed for a range widget such as a slider, spinbutton or progressbar.
... if the aria-valuenow has a known maximum and minimum, the author should provide properties for aria-valuemax and aria-valuemin.the value of aria-valuemin must be less than or equal to the value of aria-valuemax.
... aria-valuemin is a required attribute of role slider, scrollbar and spinbutton.
...And 3 more matches

min-zoom - CSS: Cascading Style Sheets
the min-zoom css descriptor sets the minimum zoom factor of a document defined by the @viewport at-rule.
... a zoom factor of 1.0 or 100% corresponds to no zooming.
... syntax /* keyword value */ min-zoom: auto; /* <number> values */ min-zoom: 0.8; min-zoom: 2.0; /* <percentage> value */ min-zoom: 150%; values auto the user agent will set the document's lower zoom factor limit.
...And 3 more matches

min-block-size - CSS: Cascading Style Sheets
the min-block-size css property defines the minimum horizontal or vertical size of an element's block, depending on its writing mode.
... it corresponds to either the min-width or the min-height property, depending on the value of writing-mode.
... syntax /* <length> values */ min-block-size: 100px; min-block-size: 5em; /* <percentage> values */ min-block-size: 10%; /* keyword values */ min-block-size: max-content; min-block-size: min-content; min-block-size: fit-content(20em); /* global values */ min-block-size: inherit; min-block-size: initial; min-block-size: unset; if the writing mode is vertically oriented, the value of min-block-size relates to the minimum width of the element; otherwise, it relates to the minimum height of the element.
...And 3 more matches

min-inline-size - CSS: Cascading Style Sheets
the min-inline-size css property defines the horizontal or vertical minimal size of an element's block, depending on its writing mode.
... it corresponds to either the min-width or the min-height property, depending on the value of writing-mode.
... syntax /* <length> values */ min-inline-size: 100px; min-inline-size: 5em; /* <percentage> values */ min-inline-size: 10%; /* keyword values */ min-inline-size: max-content; min-inline-size: min-content; min-inline-size: fit-content(20em); /* global values */ min-inline-size: inherit; min-inline-size: initial; min-inline-size: unset; if the writing mode is vertically oriented, the value of min-inline-size relates to the minimum height of the element; otherwise, it relates to the minimum width of the element.
...And 3 more matches

Math.min() - JavaScript
the static function math.min() returns the lowest-valued number passed into it, or nan if any parameter isn't a number and can't be converted into one.
... syntax math.min([value1[, value2[, ...]]]) parameters value1, value2, ...
... description because min() is a static method of math, you always use it as math.min(), rather than as a method of a math object you created (math is not a constructor).
...And 3 more matches

-ms-content-zoom-limit-min - Archive of obsolete content
the -ms-content-zoom-limit-min css property is a microsoft extension that specifies the minimum zoom factor.
...a zoom factor of 100% corresponds to no zooming.
...smaller values zoom out.computed valueas specifiedanimation typediscrete syntax values <percentage> the minimum zoom factor.
...And 2 more matches

Server-side website programming - Learn web development
the dynamic websites – server-side programming topic is a series of modules that show how to create dynamic websites; websites that deliver customised information in response to http requests.
... the modules provide a general introduction to server-side programming.
... learning pathway getting started with server-side programming is usually easier than client-side development, because dynamic websites tend to perform a lot of very similar operations (retrieving data from a database and displaying it in a page, validating user-entered data and saving it in a database, checking user permissions and logging users in, etc.), and are constructed using web frameworks that make these and other common web server operations easy.
...And 2 more matches

Implementing Download Resuming
this document describes how an embedder or other gecko/necko-using application can implement download resuming.
... the interface resuming is done using the nsiresumablechannel interface.
... resuming a download in order to resume a download, you should create a channel as usual (using nsiioservice).
...And 2 more matches

FC_GetMechanismInfo
name fc_getmechanisminfo - get information on a particular mechanism.
... syntax ck_rv fc_getmechanisminfo( ck_slot_id slotid, ck_mechanism_type type, ck_mechanism_info_ptr pinfo ); parameters fc_getmechanisminfo takes three parameters: slotid [input] type [input] .
... description fc_getmechanisminfo obtains information about a particular mechanism possibly supported by a token.
...And 2 more matches

Examine and edit CSS - Firefox Developer Tools
you can examine and edit css in the inspector's css pane.
... examine css rules the rules view lists all the rules that apply to the selected element, ordered from most-specific to least-specific: the four buttons on the right top of the rules view allow you to change the display of certain css and rules view features.
...see examine grid layouts for more on this.
...And 2 more matches

CSS Grid Inspector: Examine grid layouts - Firefox Developer Tools
the grid inspector allows you to examine css grid layouts using the firefox devtools, discovering grids present on a page, examining and modifying them, debugging layout issues, and more.
... mini grid view: a smaller view of the currently overlaid grid.
... let's examine these features in more detail.
...And 2 more matches

AnalyserNode.minDecibels - Web APIs
the mindecibels property of the analysernode interface is a double value representing the minimum power value in the scaling range for the fft analysis data, for conversion to unsigned byte/float values — basically, this specifies the minimum value for the range of results when using getfloatfrequencydata() or getbytefrequencydata().
... syntax var curvalue = analysernode.mindecibels; analysernode.mindecibels = newvalue; value a double, representing the minimum decibel value for scaling the fft analysis data, where 0 db is the loudest possible sound, -10 db is a 10th of that, etc.
... when getting data from getfloatfrequencydata() or getbytefrequencydata(), any frequencies with an amplitude of mindecibels or lower will be returned as 0.0 or 0, respectively.
...And 2 more matches

EffectTiming.delay - Web APIs
the effecttiming dictionary's delay property in the web animations api represents the number of milliseconds to delay the start of the animation.
... element.animate(), keyframeeffectreadonly(), and keyframeeffect() all accept an object of timing properties including delay.
... the value of delay corresponds directly to effecttiming.delay in timing objects returned by animationeffectreadonly, keyframeeffectreadonly, and keyframeeffect.
...And 2 more matches

EffectTiming.duration - Web APIs
the duration property of the dictionary effecttiming in the web animations api specifies the duration in milliseconds that a single iteration (from beginning to end) the animation should take to complete.
... element.animate(), keyframeeffectreadonly(), and keyframeeffect() all accept an object of timing properties including duration.
... the value of duration corresponds directly to animationeffecttimingreadonly.duration in timing objects returned by animationeffectreadonly, keyframeeffectreadonly, and keyframeeffect.
...And 2 more matches

EffectTiming.iterationStart - Web APIs
web animations api's effecttiming dictionary's iterationstart property specifies the repetition number which repetition the animation begins at and its progress through it.
... element.animate(), keyframeeffectreadonly.keyframeeffectreadonly(), and keyframeeffect.keyframeeffect() all accept an object of timing properties including iterationstart.
... the value of iterationstart corresponds directly to animationeffecttimingreadonly.iterationstart in timing objects returned by animationeffectreadonly, keyframeeffectreadonly, and keyframeeffect.
...And 2 more matches

Using the Frame Timing API - Web APIs
the performanceframetiming interface provides frame timing data about the browser's event loop.
... this document describes how to use the performanceframetiming interfaces including example code.
... for an overview of these interfaces see frame timing api.
...And 2 more matches

performance.clearResourceTimings() - Web APIs
the clearresourcetimings() method removes all performance entries with an entrytype of "resource" from the browser's performance data buffer and sets the size of the performance data buffer to zero.
... to set the size of the browser's performance data buffer, use the performance.setresourcetimingbuffersize() method.
... syntax performance.clearresourcetimings(); arguments void return value none this method has no return value.
...And 2 more matches

Performance.onresourcetimingbufferfull - Web APIs
the onresourcetimingbufferfull property is an event handler that will be called when the resourcetimingbufferfull event is fired.
... this event is fired when the browser's resource timing performance buffer is full.
... syntax callback = performance.onresourcetimingbufferfull = buffer_full_cb; return value callback an eventhandler that is invoked when the resourcetimingbufferfull event is fired.
...And 2 more matches

PerformanceLongTaskTiming - Web APIs
the performancelongtasktiming interface of the the long tasks api reports instances of long tasks.
... <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/performanceentry" target="_top"><rect x="1" y="1" width="160" height="50" fill="#fff" stroke="#d4dde4" stroke-width="2px" /><text x="81" y="30" font-size="12px" font-family="consolas,monaco,andale mono,monospace" fill="#4d4e53" text-anchor="middle" alignment-baseline="middle">performanceentry</text></a><polyline points="161,25 171,20 171,30 161,25" stroke="#d4dde4" fill="none"/><line x1="171" y1="25" x2="201" y2="25" stroke="#d4dde4"/><a xlink:href="/docs/we...
...b/api/performancelongtasktiming" target="_top"><rect x="201" y="1" width="250" height="50" fill="#f4f7f8" stroke="#d4dde4" stroke-width="2px" /><text x="326" y="30" font-size="12px" font-family="consolas,monaco,andale mono,monospace" fill="#4d4e53" text-anchor="middle" alignment-baseline="middle">performancelongtasktiming</text></a></svg></div> a:hover text { fill: #0095dd; pointer-events: all;} properties performancelongtasktiming.attribution read only returns a sequence of taskattributiontiming instances.
...And 2 more matches

PerformancePaintTiming - Web APIs
the performancepainttiming interface of the paint timing provides timing information about "paint" (also called "render") operations during web page construction.
... <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/performanceentry" target="_top"><rect x="1" y="1" width="160" height="50" fill="#fff" stroke="#d4dde4" stroke-width="2px" /><text x="81" y="30" font-size="12px" font-family="consolas,monaco,andale mono,monospace" fill="#4d4e53" text-anchor="middle" alignment-baseline="middle">performanceentry</text></a><polyline points="161,25 171,20 171,30 161,25" strok...
...e="#d4dde4" fill="none"/><line x1="171" y1="25" x2="201" y2="25" stroke="#d4dde4"/><a xlink:href="/docs/web/api/performancepainttiming" target="_top"><rect x="201" y="1" width="220" height="50" fill="#f4f7f8" stroke="#d4dde4" stroke-width="2px" /><text x="311" y="30" font-size="12px" font-family="consolas,monaco,andale mono,monospace" fill="#4d4e53" text-anchor="middle" alignment-baseline="middle">performancepainttiming</text></a></svg></div> a:hover text { fill: #0095dd; pointer-events: all;} properties this interface has no properties but it extends the following performanceentry properties (for "paint" performance entry types) by qualifying and constraining the properties as follows: performanceentry.entrytype returns "paint".
...And 2 more matches

PerformanceTiming.connectStart - Web APIs
this interface of this property is deprecated in the navigation timing level 2 specification.
... please use the performancenavigationtiming interface instead.
... the legacy performancetiming.connectstart read-only property returns an unsigned long long representing the moment, in miliseconds since the unix epoch, where the request to open a connection is sent to the network.
...And 2 more matches

PerformanceTiming.domainLookupEnd - Web APIs
this interface of this property is deprecated in the navigation timing level 2 specification.
... please use the performancenavigationtiming interface instead.
... the legacy performancetiming.domainlookupend read-only property returns an unsigned long long representing the moment, in miliseconds since the unix epoch, where the domain lookup is finished.
...And 2 more matches

PerformanceTiming.domainLookupStart - Web APIs
this interface of this property is deprecated in the navigation timing level 2 specification.
... please use the performancenavigationtiming interface instead.
... the legacy performancetiming.domainlookupstart read-only property returns an unsigned long long representing the moment, in miliseconds since the unix epoch, where the domain lookup starts.
...And 2 more matches

PerformanceTiming.navigationStart - Web APIs
this interface of this property is deprecated in the navigation timing level 2 specification.
... please use the performancenavigationtiming interface instead.
... the legacy performancetiming.navigationstart read-only property returns an unsigned long long representing the moment, in milliseconds since the unix epoch, right after the prompt for unload terminates on the previous document in the same browsing context.
...And 2 more matches

RTCIceCandidatePairStats.availableIncomingBitrate - Web APIs
the rtcicecandidatepairstats property availableincomingbitrate returns a value indicative of the available inbound capacity of the network connection represented by the candidate pair.
... the higher the value, the more bandwidth you can assume is available for incoming data.
... you can get the incoming outgoing bitrate from availableoutgoingbitrate.
...And 2 more matches

RTCIceCandidatePairStats.nominated - Web APIs
the rtcicecandidatepairstats property nominated specifies whether or not the candidate pair described by the underlying rtcicecandidatepair has been nominated to be used as the configuration for the webrtc connection.
... syntax nominated = rtcicecandidatepairstats.nominated; value a boolean value which is set to true by the ice layer if the controlling user agent has indicated that the candidate pair should be used to configure the webrtc connection between the two peers.
... note: if more than one candidate pair are nominated at the same time, the one whose priority is higher will be selected for use.
...And 2 more matches

Using the User Timing API - Web APIs
the user timing interface allows the developer to create application specific timestamps that are part of the browser's performance timeline.
... there are two types of user defined timing entry types: the "mark" entry type and the "measure" entry type.
... this document shows how to create mark and measure performance entry types and how to use user timing methods (which are extensions of the performance interface) to retrieve and remove entries from the browser's performance timeline.
...And 2 more matches

:indeterminate - CSS: Cascading Style Sheets
the :indeterminate css pseudo-class represents any form element whose state is indeterminate, such as checkboxes which have their html indeterminate attribute set to true, radio buttons which are members of a group in which all radio buttons are unchecked, and indeterminate <progress> elements.
... /* selects any <input> whose state is indeterminate */ input:indeterminate { background: lime; } elements targeted by this selector are: <input type="checkbox"> elements whose indeterminate property is set to true by javascript <input type="radio"> elements, when all radio buttons with the same name value in the form are unchecked <progress> elements in an indeterminate state syntax :indeterminate examples checkbox & radio button this example applies special styles to the labels associated with indeterminate form fields.
... html <div> <input type="checkbox" id="checkbox"> <label for="checkbox">this label starts out lime.</label> </div> <div> <input type="radio" id="radio"> <label for="radio">this label starts out lime.</label> </div> css input:indeterminate + label { background: lime; } javascript var inputs = document.getelementsbytagname("input"); for (var i = 0; i < inputs.length; i++) { inputs[i].indeterminate = true; } progress bar html <progress> css progress { margin: 4px; } progress:indeterminate { opacity: 0.5; background-color: lightgray; box-shadow: 0 0 2px 1px red; } result specifications specification status comment html living standardthe definition of ':indeterminate' in that specification.
...And 2 more matches

math:min() - EXSLT
xslt/xpath reference: xslt elements, exslt functions, xpath functions, xpath axes math:min() returns the minimum value of a node-set.
... to compute the minimum value of the node-set, the node set is sorted into ascending order as it would be using xsl:sort() with a data type of number.
... the minimum value is then the first node in the sorted list, converted into a number.
...And 2 more matches

ScriptEngineMinorVersion - Archive of obsolete content
the scriptengineminorversion function gets the minor version number of the scripting engine in use.
... syntax scriptengineminorversion() remarks the return value corresponds directly to the version information contained in the dynamic-link library (dll) for the scripting language in use.
... example the following example illustrates the use of the scriptengineminorversion function.
... if (window.scriptengineminorversion) { console.log(window.scriptengineminorversion()); } //output: <current minor version> requirements supported in the following document modes: quirks, internet explorer 6 standards, internet explorer 7 standards, internet explorer 8 standards, internet explorer 9 standards, internet explorer 10 standards, internet explorer 11 standards.

Dominator - MDN Web Docs Glossary: Definitions of Web-related terms
in graph theory, node a dominates node b if every path from the root node to b passes through a.
...so if the garbage collector found a to be unreachable and eligible for reclaiming, than b would also be unreachable and eligible for reclaiming.
... so objects that a dominates contribute to the retained size of a: that is, the total amount of memory that could be freed if a itself were freed.
... learn more general knowledge dominator on wikipedia technical reference dominators garbage collection ...

Dynamic programming language - MDN Web Docs Glossary: Definitions of Web-related terms
a dynamic programming language is a programming language in which operations otherwise done at compile-time can be done at run-time.
... this is opposed to so-called static programming languages, in which such changes are normally not possible.
... note that while there is indeed a connection between this dynamic/static property of programming languages and dynamic/static-typing, the two are far from synonymous.
... learn more general knowledge dynamic programming language on wikipedia ...

minification - MDN Web Docs Glossary: Definitions of Web-related terms
minification is the process of removing unnecessary or redundant data without affecting how a resource is processed by the browser.
... minification can include the removal of code comments, white space, and unused code, as well as the shortening of variable and function names.
... minification is used to improve web performance by reducing file size.
... as minification makes code less legible to humans, developer tools have 'prettification' features that can add white space back into the code to make it a bit more legible.

Making asynchronous programming easier with async and await - Learn web development
you'll have to test your code carefully, and bear this in mind if performance starts to suffer.
... another minor inconvenience is that you have to wrap your awaited promises inside an async function.
...they are available in modern versions of most browsers, the same as promises; the main support problems come with internet explorer and opera mini.
... previous overview: asynchronous next in this module general asynchronous programming concepts introducing asynchronous javascript cooperative asynchronous javascript: timeouts and intervals graceful asynchronous programming with promises making asynchronous programming easier with async and await choosing the right approach ...

Interval Timing
nspr defines a platform-dependent type, printervaltime, for timing intervals of fewer than approximately 6 hours.
... this chapter describes printervaltime and the functions that allow you to use it for timing purposes: interval time type and constants interval functions interval time type and constants all timed functions in nspr require a parameter that depicts the amount of time allowed to elapse before the operation is declared failed.
...conceptually, they are based on free-running counters that increment at a fixed rate without possibility of outside influence (as might be observed if one was using a time-of-day clock that gets reset due to some administrative action).
... printervaltime interval functions interval timing functions are divided into three groups: getting the current interval and ticks per second converting standard clock units to platform-dependent intervals converting platform-dependent intervals to standard clock units getting the current interval and ticks per second pr_intervalnow pr_tickspersecond converting standard clock units to platform-dependent intervals pr_secondstointerval pr_millisecondstointerval pr...

The Rust programming language
rust is a new open-source systems programming language created by mozilla and a community of volunteers, designed to help developers create fast, secure applications which take full advantage of the powerful features of modern multi-core processors.
... in addition, rust offers zero-cost abstractions, move semantics, guaranteed memory safety, threads with no data races, trait-based generics, pattern matching, type inference, and efficient c bindings, with a minimum runtime size.
... read the book the rust programming language online.
... rust and the future of systems programming unlocking the power of parallelism with rust rust for web developers safe systems programming with rust growing the rust community putting rust into production at mozilla ...

AmbientLightSensor.illuminance - Web APIs
the illuminance property of the ambientlightsensor interface returns the current light level in lux of the ambient light level around the hosting device.
... syntax var level = ambientlightsensor.illuminance value a number indicating the current light level in lux.
... example if ( 'ambientlightsensor' in window ) { const sensor = new ambientlightsensor(); sensor.onreading = () => { console.log('current light level:', sensor.illuminance); }; sensor.onerror = (event) => { console.log(event.error.name, event.error.message); }; sensor.start(); } specifications specification status comment generic sensor api candidate recommendation defines sensors in general.
... ambient light sensorthe definition of 'illuminance' in that specification.

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

EXT_blend_minmax - Web APIs
the ext_blend_minmax extension is part of the webgl api and extends blending capabilities by adding two new blend equations: the minimum or maximum color components of the source and destination colors.
...the constants in webgl2 are gl.min and gl.max.
... constants this extension adds two new constants, which can be used in webglrenderingcontext.blendequation() and webglrenderingcontext.blendequationseparate(): ext.min_ext produces the minimum color components of the source and destination colors.
... examples var ext = gl.getextension('ext_blend_minmax'); gl.blendequation(ext.min_ext); gl.blendequation(ext.max_ext); gl.blendequationseparate(ext.min_ext, ext.max_ext); specifications specification status comment ext_blend_minmaxthe definition of 'ext_blend_minmax' in that specification.

EffectTiming.iterations - Web APIs
the web animations api dictionary effecttiming's iterations property specifies the number of times the animation should repeat.
... element.animate(), keyframeeffectreadonly(), and keyframeeffect() all accept an object of timing properties including iterations.
... the value of iterations corresponds directly to animationeffecttimingreadonly.iterations in timing objects returned by animationeffectreadonly, keyframeeffectreadonly, and keyframeeffect.
... syntax var timingproperties = { iterations: numberofiterations }; timingproperties.iterations = numberofiterations; value a floating-point value specifying the number of times the animation sequence will play through.

Performance.timing - Web APIs
this property is deprecated in the navigation timing level 2 specification.
... please use the performancenavigationtiming interface instead.
... the legacy performance.timing read-only property returns a performancetiming object containing latency-related performance information.
... syntax timinginfo = performance.timing; specifications specification status comment navigation timing level 2 working draft initial definition.

PerformanceFrameTiming - Web APIs
performanceframetiming is an abstract interface that provides frame timing data about the browser's event loop.
... <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/performanceframetiming" target="_top"><rect x="1" y="1" width="220" height="50" fill="#f4f7f8" stroke="#d4dde4" stroke-width="2px" /><text x="111" y="30" font-size="12px" font-family="consolas,monaco,andale mono,monospace" fill="#4d4e53" text-anchor="middle" alignment-baseline="middle">performanceframetiming</text></a></svg></div> a:hover text { fill: #...
... example see the example in using the frame timing api.
... specifications specification status comment frame timingthe definition of 'performanceframetiming' in that specification.

PerformanceTiming.domComplete - Web APIs
this interface of this property is deprecated in the navigation timing level 2 specification.
... please use the performancenavigationtiming interface instead.
... the legacy performancetiming.domcomplete read-only property returns an unsigned long long representing the moment, in miliseconds since the unix epoch, when the parser finished its work on the main document, that is when its document.readystate changes to 'complete' and the corresponding readystatechange event is thrown.
... syntax time = performancetiming.domcomplete; specifications specification status comment navigation timingthe definition of 'performancetiming.domcomplete' in that specification.

PerformanceTiming.domContentLoadedEventEnd - Web APIs
this interface of this property is deprecated in the navigation timing level 2 specification.
... please use the performancenavigationtiming interface instead.
... the legacy performancetiming.domcontentloadedeventend read-only property returns an unsigned long long representing the moment, in milliseconds since the unix epoch, right after all the scripts that need to be executed as soon as possible, in order or not, has been executed.
... syntax time = performancetiming.domcontentloadedeventend; specifications specification status comment navigation timingthe definition of 'performancetiming.domcontentloadedeventend' in that specification.

PerformanceTiming.domContentLoadedEventStart - Web APIs
this interface of this property is deprecated in the navigation timing level 2 specification.
... please use the performancenavigationtiming interface instead.
... the legacy performancetiming.domcontentloadedeventstart read-only property returns an unsigned long long representing the moment, in miliseconds since the unix epoch, right before the parser sent the domcontentloaded event, that is right after all the scripts that need to be executed right after parsing has been executed.
... syntax time = performancetiming.domcontentloadedeventstart; specifications specification status comment navigation timingthe definition of 'performancetiming.domcontentloadedeventstart' in that specification.

PerformanceTiming.domLoading - Web APIs
this interface of this property is deprecated in the navigation timing level 2 specification.
... please use the performancenavigationtiming interface instead.
... the legacy performancetiming.domloading read-only property returns an unsigned long long representing the moment, in miliseconds since the unix epoch, when the parser started its work, that is when its document.readystate changes to 'loading' and the corresponding readystatechange event is thrown.
... syntax time = performancetiming.domloading; specifications specification status comment navigation timingthe definition of 'performancetiming.domloading' in that specification.

PerformanceTiming.fetchStart - Web APIs
this interface of this property is deprecated in the navigation timing level 2 specification.
... please use the performancenavigationtiming interface instead.
... the legacy performancetiming.fetchstart read-only property returns an unsigned long long representing the moment, in miliseconds since the unix epoch, the browser is ready to fetch the document using an http request.
... syntax time = performance.timing.fetchstart; specifications specification status comment navigation timingthe definition of 'performancetiming.fetchstart' in that specification.

PerformanceTiming.loadEventEnd - Web APIs
this interface of this property is deprecated in the navigation timing level 2 specification.
... please use the performancenavigationtiming interface's performancenavigationtiming.loadeventend read-only property instead.
... the legacy performancetiming.loadeventend read-only property returns an unsigned long long representing the moment, in miliseconds since the unix epoch, when the load event handler terminated, that is when the load event is completed.
... syntax time = performancetiming.loadeventend; specifications specification status comment navigation timingthe definition of 'performancetiming.loadeventend' in that specification.

PerformanceTiming.loadEventStart - Web APIs
this interface of this property is deprecated in the navigation timing level 2 specification.
... please use the performancenavigationtiming interface's performancenavigationtiming.loadeventstart read-only property instead..
... the legacy performancetiming.loadeventstart read-only property returns an unsigned long long representing the moment, in miliseconds since the unix epoch, when the load event was sent for the current document.
... syntax time = performancetiming.loadeventstart; specifications specification status comment navigation timingthe definition of 'performancetiming.loadeventstart' in that specification.

PerformanceTiming.redirectEnd - Web APIs
this interface of this property is deprecated in the navigation timing level 2 specification.
... please use the performancenavigationtiming interface instead.
... the legacy performancetiming.redirectend read-only property returns an unsigned long long representing the moment, in miliseconds since the unix epoch, the last http redirect is completed, that is when the last byte of the http response has been received.
... syntax time = performancetiming.redirectend; specifications specification status comment navigation timingthe definition of 'performancetiming.redirectend' in that specification.

PerformanceTiming.redirectStart - Web APIs
this interface of this property is deprecated in the navigation timing level 2 specification.
... please use the performancenavigationtiming interface instead.
... the legacy performancetiming.redirectstart read-only property returns an unsigned long long representing the moment, in miliseconds since the unix epoch, the first http redirect starts.
... syntax time = performancetiming.redirectstart; specifications specification status comment navigation timingthe definition of 'performancetiming.redirectstart' in that specification.

PerformanceTiming.requestStart - Web APIs
this interface of this property is deprecated in the navigation timing level 2 specification.
... please use the performancenavigationtiming interface instead.
... the legacy performancetiming.requeststart read-only property returns an unsigned long long representing the moment, in miliseconds since the unix epoch, when the browser sent the request to obtain the actual document, from the server or from a cache.
... syntax time = performancetiming.requeststart; specifications specification status comment navigation timingthe definition of 'performancetiming.requeststart' in that specification.

PerformanceTiming.responseEnd - Web APIs
this interface of this property is deprecated in the navigation timing level 2 specification.
... please use the performancenavigationtiming interface instead.
... the legacy performancetiming.responseend read-only property returns an unsigned long long representing the moment, in miliseconds since the unix epoch, when the browser received the last byte of the response, or when the connection is closed if this happened first, from the server from a cache or from a local resource.
... syntax time = performancetiming.responseend; specifications specification status comment navigation timingthe definition of 'performancetiming.responseend' in that specification.

PerformanceTiming.responseStart - Web APIs
this interface of this property is deprecated in the navigation timing level 2 specification.
... please use the performancenavigationtiming interface instead.
... the legacy performancetiming.responsestart read-only property returns an unsigned long long representing the moment in time (in milliseconds since the unix epoch) when the browser received the first byte of the response from the server, cache, or local resource.
... syntax time = performancetiming.responsestart; specifications specification status comment navigation timingthe definition of 'performancetiming.responsestart' in that specification.

PerformanceTiming.secureConnectionStart - Web APIs
this interface of this property is deprecated in the navigation timing level 2 specification.
... please use the performancenavigationtiming interface instead.
... the legacy performancetiming.secureconnectionstart read-only property returns an unsigned long long representing the moment, in miliseconds since the unix epoch, where the secure connection handshake starts.
... syntax time = performancetiming.secureconnectionstart; specifications specification status comment navigation timingthe definition of 'performancetiming.secureconnectionstart' in that specification.

PerformanceTiming.unloadEventEnd - Web APIs
this interface of this property is deprecated in the navigation timing level 2 specification.
... please use the performancenavigationtiming interface instead.
... the legacy performancetiming.unloadeventend read-only property returns an unsigned long long representing the moment, in miliseconds since the unix epoch, the unload event handler finishes.
... syntax time = performancetiming.unloadeventend; specifications specification status comment navigation timingthe definition of 'performancetiming.unloadeventend' in that specification.

PerformanceTiming.unloadEventStart - Web APIs
this interface of this property is deprecated in the navigation timing level 2 specification.
... please use the performancenavigationtiming interface instead.
... the legacy performancetiming.unloadeventstart read-only property returns an unsigned long long representing the moment, in miliseconds since the unix epoch, the unload event has been thrown.
... syntax time = performancetiming.unloadeventstart; specifications specification status comment navigation timingthe definition of 'performancetiming.unloadeventstart' in that specification.

USBDevice.claimInterface() - Web APIs
the claiminterface() method of the usbdevice interface returns a promise that resolves when the requested interface is claimed for exclusive access.
... syntax var promise = usbdevice.claiminterface(interfacenumber) parameters interfacenumber the index of one of the interfaces supported by the device.
... example the following example shows claiminterface() in the context of connecting to a usb device.
... async function connectdevice(usbdevice) { await usbdevice.open(); if (usbdevice.configuration === null) await usbdevice.selectconfiguration(1); await usbdevice.claiminterface(0); } specifications specification status comment webusbthe definition of 'claiminterface()' in that specification.

USBDevice.usbVersionMinor - Web APIs
the usbversionminor read only property of the usbdevice interface is one of three properties that declare the usb protocol version supported by the device.
... the other two properties are usbdevice.usbversionmajor and usbdevice.usbversionsubminor.
... syntax var serialnumber = usbdevice.usbversionminor value the second of three properties that declare the usb protocol version supported by the device.
... specifications specification status comment webusbthe definition of 'usbversionminor' in that specification.

USBDevice.usbVersionSubminor - Web APIs
the usbversionsubminor read only property of the usbdevice interface is one of three properties that declare the usb protocol version supported by the device.
... the other two properties are usbdevice.usbversionmajor and usbdevice.usbversionminor.
... syntax var serialnumber = usbdevice.usbversionsubminor value the first of three properties that declare the usb protocol version supported by the device.
... specifications specification status comment webusbthe definition of 'usbversionsubminor' in that specification.

WebGL2RenderingContext.getUniformIndices() - Web APIs
the webgl2renderingcontext.getuniformindices() method of the webgl 2 api retrieves the indices of a number of uniforms within a webglprogram.
... syntax sequence<gluint> gl.getuniformindices(program, uniformnames); parameters program a webglprogram containing uniforms whose indices to query.
... examples var uniformindices = gl.getuniformindices(program, ['ubored', 'ubogreen', 'uboblue']); specifications specification status comment webgl 2.0the definition of 'getuniformindices' in that specification.
... opengl es 3.0the definition of 'glgetuniformindices' in that specification.

WebGLRenderingContext.getProgramInfoLog() - Web APIs
the webglrenderingcontext.getprograminfolog returns the information log for the specified webglprogram object.
... syntax gl.getprograminfolog(program); parameters program the webglprogram to query.
... examples checking program errors var program = gl.createprogram(); // attach pre-existing shaders gl.attachshader(program, vertexshader); gl.attachshader(program, fragmentshader); gl.linkprogram(program); gl.getprograminfolog(program); specifications specification status comment webgl 1.0the definition of 'getprograminfolog' in that specification.
... opengl es 2.0the definition of 'glgetprograminfolog' in that specification.

Worker.terminate() - Web APIs
the terminate() method of the worker interface immediately terminates the worker.
... syntax myworker.terminate(); parameters none.
... example the following code snippet shows creation of a worker object using the worker() constructor, which is then immediately terminated.
... var myworker = new worker('worker.js'); myworker.terminate(); specifications specification status comment html living standardthe definition of 'worker.terminate()' in that specification.

min-height - CSS: Cascading Style Sheets
the min-height css descriptor specifies the minimum height of the viewport of a document defined via the @viewport at-rule.
... the height will initially be set as close as possible to the initial viewport height considering the minimum height constraint.
... syntax /* keyword value */ min-height: auto; /* <length> values */ min-height: 120px; min-height: 20em; min-height: 10cm; /* <percentage> value */ min-height: 25%; values auto the used value is calculated from the other css descriptors' values.
...lated at-rule@viewportinitial valueautopercentagesrefer to the height of the initial viewportcomputed valueif specified as a length, the corresponding absolute length; if specified as a percentage, the specified value; otherwise, auto formal syntax <viewport-length>where <viewport-length> = auto | <length-percentage>where <length-percentage> = <length> | <percentage> examples setting viewport min height in pixels @viewport { min-height: 200px; } specifications specification status comment css device adaptationthe definition of '"min-height" descriptor' in that specification.

min-width - CSS: Cascading Style Sheets
the min-width css descriptor specifies the minimum width of the viewport of a document defined via @viewport.
... by default, min-width is set as close as possible to the initial viewport considering the minimum width constraint.
... syntax /* keyword value */ min-width: auto; /* <length> values */ min-width: 320px; min-width: 40em; min-width: 5cm; /* <percentage> value */ min-width: 25%; values auto the used value is calculated from the other css descriptors' values.
...elated at-rule@viewportinitial valueautopercentagesrefer to the width of the initial viewportcomputed valueif specified as a length, the corresponding absolute length; if specified as a percentage, the specified value; otherwise, auto formal syntax <viewport-length>where <viewport-length> = auto | <length-percentage>where <length-percentage> = <length> | <percentage> examples setting viewport min width in pixels @viewport { min-width: 200px; } specifications specification status comment css device adaptationthe definition of '"min-width" descriptor' in that specification.

DASH Adaptive Streaming for HTML 5 Video - HTML: Hypertext Markup Language
dynamic adaptive streaming over http (dash) is an adaptive streaming protocol.
... ffmpeg -i in.video -c:v libvpx-vp9 -keyint_min 150 -g 150 -tile-columns 4 -frame-parallel 1 -f webm -dash 1 \ -an -vf scale=160:90 -b:v 250k -dash 1 video_160x90_250k.webm ffmpeg -i in.video -c:v libvpx-vp9 -keyint_min 150 -g 150 -tile-columns 4 -frame-parallel 1 -f webm -dash 1 \ -an -vf scale=320:180 -b:v 500k -dash 1 video_320x180_500k.webm ffmpeg -i in.video -c:v libvpx-vp9 -keyint_min 150 -g 150 -tile-columns 4 -frame-parallel 1 -f ...
...webm -dash 1 \ -an -vf scale=640:360 -b:v 750k -dash 1 video_640x360_750k.webm ffmpeg -i in.video -c:v libvpx-vp9 -keyint_min 150 -g 150 -tile-columns 4 -frame-parallel 1 -f webm -dash 1 \ -an -vf scale=640:360 -b:v 1000k -dash 1 video_640x360_1000k.webm ffmpeg -i in.video -c:v libvpx-vp9 -keyint_min 150 -g 150 -tile-columns 4 -frame-parallel 1 -f webm -dash 1 \ -an -vf scale=1280:720 -b:v 1500k -dash 1 video_1280x720_1500k.webm or do it in all in one command.
... ffmpeg -i in.video -c:v libvpx-vp9 -keyint_min 150 \ -g 150 -tile-columns 4 -frame-parallel 1 -f webm -dash 1 \ -an -vf scale=160:90 -b:v 250k -dash 1 video_160x90_250k.webm \ -an -vf scale=320:180 -b:v 500k -dash 1 video_320x180_500k.webm \ -an -vf scale=640:360 -b:v 750k -dash 1 video_640x360_750k.webm \ -an -vf scale=640:360 -b:v 1000k -dash 1 video_640x360_1000k.webm \ -an -vf scale=1280:720 -b:v 1500k -dash 1 video_1280x720_1500k.webm 2.

Timing-Allow-Origin - HTTP
the timing-allow-origin response header specifies origins that are allowed to see values of attributes retrieved via features of the resource timing api, which would otherwise be reported as zero due to cross-origin restrictions.
... header type response header forbidden header name no syntax timing-allow-origin: * timing-allow-origin: <origin>[, <origin>]* directives * the server may specify "*" as a wildcard, thereby allowing any origin to see timing resources.
... <origin> specifies a uri that may see the timing resources.
... examples to allow any resource to see timing resources: timing-allow-origin: * to allow https://developer.mozilla.org to see timing resources, you can specify: timing-allow-origin: https://developer.mozilla.org specifications specification status comment resource timing level 3the definition of 'timing-allow-origin' in that specification.

SyntaxError: unterminated string literal - JavaScript
the javascript error "unterminated string literal" occurs when there is an unterminated string somewhere.
... message syntaxerror: unterminated string constant (edge) syntaxerror: unterminated string literal (firefox) error type syntaxerror what went wrong?
... there is an unterminated string somewhere.
... examples multiple lines you can't split a string across multiple lines like this in javascript: var longstring = 'this is a very long string which needs to wrap across multiple lines because otherwise my code is unreadable.'; // syntaxerror: unterminated string literal instead, use the + operator, a backslash, or template literals.

Date.prototype.getMinutes() - JavaScript
the getminutes() method returns the minutes in the specified date according to local time.
... syntax dateobj.getminutes() return value an integer number, between 0 and 59, representing the minutes in the given date according to local time.
... examples using getminutes() the second statement below assigns the value 15 to the variable minutes, based on the value of the date object xmas95.
... var xmas95 = new date('december 25, 1995 23:15:30'); var minutes = xmas95.getminutes(); console.log(minutes); // 15 specifications specification ecmascript (ecma-262)the definition of 'date.prototype.getminutes' in that specification.

Date.prototype.getUTCMinutes() - JavaScript
the getutcminutes() method returns the minutes in the specified date according to universal time.
... syntax dateobj.getutcminutes() return value an integer number, between 0 and 59, representing the minutes in the given date according to universal time.
... examples using getutcminutes() the following example assigns the minutes portion of the current time to the variable minutes.
... var today = new date(); var minutes = today.getutcminutes(); specifications specification ecmascript (ecma-262)the definition of 'date.prototype.getutcminutes' in that specification.

Number.MIN_SAFE_INTEGER - JavaScript
the number.min_safe_integer constant represents the minimum safe integer in javascript (-(253 - 1)).
... property attributes of number.min_safe_integer writable no enumerable no configurable no description the min_safe_integer constant has a value of -9007199254740991 (-9,007,199,254,740,991 or about -9 quadrillion).
... because min_safe_integer is a static property of number, you always use it as number.min_safe_integer, rather than as a property of a number object you created.
... examples using min_safe_integer number.min_safe_integer // -9007199254740991 -(math.pow(2, 53) - 1) // -9007199254740991 specifications specification ecmascript (ecma-262)the definition of 'number.min_safe_integer' in that specification.

min - SVG: Scalable Vector Graphics
the min attribute specifies the minimum value of the active animation duration.
... five elements are using this attribute: <animate>, <animatecolor>, <animatemotion>, <animatetransform>, and <set> html, body, svg { height: 100%; } <svg viewbox="0 0 120 120" xmlns="http://www.w3.org/2000/svg"> <circle cx="60" cy="10" r="10"> <animate attributename="cx" dur="4s" min="2s" repeatcount="indefinite" values="60 ; 110 ; 60 ; 10 ; 60" keytimes="0 ; 0.25 ; 0.5 ; 0.75 ; 1"/> <animate attributename="cy" dur="4s" min="2s" repeatcount="indefinite" values="10 ; 60 ; 110 ; 60 ; 10" keytimes="0 ; 0.25 ; 0.5 ; 0.75 ; 1"/> </circle> </svg> usage notes value <clock-value> default value 0 animatable no <clock-value> specifies the length of the minimum value of the active duration, measured in local time.
... specifications specification status comment svg animations level 2the definition of 'min' in that specification.
... editor's draft no change scalable vector graphics (svg) 1.1 (second edition)the definition of 'min' in that specification.

-ms-scroll-limit-x-min - Archive of obsolete content
the -ms-scroll-limit-x-min css property is a microsoft extension that specifies the minimum value for the element.scrollleft property.
... initial value0applies tonon-replaced block-level elements and non-replaced inline-block elementsinheritednocomputed valueas specifiedanimation typediscrete syntax values <length> the minimum value for the scrollleft property.
... the specified behavior of the -ms-scroll-limit-x-min property is only applicable at a mscontentzoomfactor of 1; the behavior of this property is undefined at other zoom factors.

-ms-scroll-limit-y-min - Archive of obsolete content
the -ms-scroll-limit-y-min css property is a microsoft extension that specifies the minimum value for the element.scrolltop property.
... initial value0applies tonon-replaced block-level elements and non-replaced inline-block elementsinheritednocomputed valueas specifiedanimation typediscrete syntax values <length> the minimum value for the scrolltop property.
... the specified behavior of the -ms-scroll-limit-y-min property is only applicable at a mscontentzoomfactor of 1; the behavior of this property is undefined at other zoom factors.

High-level programming language - MDN Web Docs Glossary: Definitions of Web-related terms
a high-level programming language has a significant abstraction from the details of computer operation.
...unlike low-level programming languages, it may use natural language elements, or may automate (or even entirely hide) significant areas of computing systems, making the process of developing simpler and more understandable relative to a lower-level language.
... the amount of abstraction provided defines how "high-level" a programming language is.

RTSP: Real-time streaming protocol - MDN Web Docs Glossary: Definitions of Web-related terms
real-time streaming protocol (rtsp) is a network protocol that controls how the streaming of a media should occur between a server and a client.
... basically, rtsp is the protocol that describes what happens when you click "pause"/"play" when streaming a video.
... if your computer were a remote control and the streaming server a television, rtsp would describe how the instruction of the remote control affects the tv.

AnimationEffect.getTiming() - Web APIs
the animationeffect.gettiming() method of the animationeffect interface returns an effecttiming object containing the timing properties for the animation effect.
... syntax animationtiming = animation.gettiming(); returns an effecttiming object.
... specifications specification status comment web animationsthe definition of 'animationeffect.gettiming()' in that specification.

AnimationEffect.updateTiming() - Web APIs
the updatetiming() method of the animationeffect interface updates the specified timing properties for an animation effect.
... syntax animation.updatetiming(timing); parameters timing an optionaleffecttiming object containing the timing properties to update.
... specifications specification status comment web animationsthe definition of 'animationeffect.updatetiming()' in that specification.

CSSNumericValue.min() - Web APIs
the min() method of the cssnumericvalue interface returns the lowest value from among those values passed.
... syntax var cssunitvalue = cssnumericvalue.min(number1 ...
... // prints "1cm" console.log(css.cm("1").min(css.cm("2")).tostring()); // prints "max(1cm, 0.393701in)" console.log(css.cm("1").max(css.in("0.393701")).tostring()); specifications specification status comment css typed om level 1the definition of 'min' in that specification.

EffectTiming.direction - Web APIs
the direction property of the web animations api dictionary effecttiming indicates an animation's playback direction along its timeline, as well as its behavior when it reaches the end of an iteration element.animate(), keyframeeffectreadonly(), and keyframeeffect() all accept an object of timing properties including direction.
... the value of direction corresponds directly to animationeffecttimingreadonly.direction in timing objects returned by animationeffectreadonly, keyframeeffectreadonly, and keyframeeffect.
... syntax var timingproperties = { direction: "normal" | "reverse" | "alternate" | "alternate-reverse" }; timingproperties.direction = "normal" | "reverse" | "alternate" | "alternate-reverse"; value a domstring which specifies the direction in which the animation should play as well as what to do when the playback reaches the end of the animation sequence in the current direction.

EffectTiming - Web APIs
the effecttiming dictionary, part of the web animations api, is used by element.animate(), keyframeeffectreadonly(), and keyframeeffect() to describe timing properties for animation effects.
...although this is technically optional, keep in mind that your animation will not run if this value is 0.
... specifications specification status comment web animationsthe definition of 'effecttiming' in that specification.

Frame Timing API - Web APIs
the performanceframetiming interface provides frame timing data about the browser's event loop.
... example code of the interfaces described in this document is included in using the frame timing api.
... performance frames the performanceframetiming interface extends the following performanceentry properties (for "frame" performance entry types) by qualifying and constrainting the properties as follows: performanceentry.entrytype set to "frame".

MediaSettingsRange.min - Web APIs
the min read-only property of the mediasettingsrange interface returns the minimum value of the settings range.
... syntax var min = mediasettingsrange.min value a double integer.
... specifications specification status comment mediastream image capturethe definition of 'min' in that specification.

Performance: resourcetimingbufferfull event - Web APIs
the resourcetimingbufferfull event is fired when the browser's resource timing buffer is full.
... bubbles yes cancelable yes interface event event handler property onresourcetimingbufferfull examples the following example sets a callback function on the onresourcetimingbufferfull property.
... function buffer_full(event) { console.log("warning: resource timing buffer is full!"); performance.setresourcetimingbuffersize(200); } function init() { // set a callback if the resource buffer becomes filled performance.onresourcetimingbufferfull = buffer_full; } <body onload="init()"> note that you could also set up the handler using the addeventlistener() function: performance.addeventlistener('resourcetimingbufferfull', buffer_full); specifications specification status comment resource timing level 1the definition of 'onresourcetimingbufferfull' in that specification.

PerformanceNavigationTiming.toJSON() - Web APIs
the tojson() method is a serializer - it returns a json representation of the performancenavigationtiming object.
... syntax json = resourceperfentry.tojson(); arguments none return value json a json object that is the serialization of the performancenavigationtiming object as a map with entries from the closest inherited interface and with entries for each of the serializable attributes.
... example // get a resource performance entry var perfentries = performance.getentriesbytype("navigation"); var entry = perfentries[0]; // get the json and log it var json = entry.tojson(); var s = json.stringify(json); console.log("performancenavigationtiming.tojson() = " + s); specifications specification status comment navigation timing level 2the definition of 'tojson()' in that specification.

PerformanceResourceTiming.toJSON() - Web APIs
the tojson() method is a serializer that returns a json representation of the performanceresourcetiming object.
... syntax json = resourceperfentry.tojson(); arguments none return value json a json object that is the serialization of the performanceresourcetiming object as a map with entries from the closest inherited interface and with entries for each of the serializable attributes.
... example // get a resource performance entry var perfentries = performance.getentriesbytype("resource"); var entry = perfentries[0]; // get the json and log it var json = entry.tojson(); var s = json.stringify(json); console.log("performanceentry.tojson = " + s); specifications specification status comment resource timing level 2the definition of 'tojson' in that specification.

PerformanceServerTiming.toJSON - Web APIs
the tojson() method of the performanceservertiming interface returns a domstring that is the json representation of the performanceservertiming object.
... syntax var json = performanceservertiming.tojson() parameters none.
... specifications specification status comment server timingthe definition of 'tojson' in that specification.

USBDevice.deviceVersionMinor - Web APIs
the deviceversionminor read only property of the usbdevice interface the minor version number of the device in a semantic versioning scheme.
... syntax var serialnumber = usbdevice.deviceversionminor value a number.
... specifications specification status comment webusbthe definition of 'deviceversionminor' in that specification.

USBDevice.deviceVersionSubminor - Web APIs
the deviceversionsubminor read only property of the usbdevice interface the patch version number of the device in a semantic versioning scheme.
... syntax var serialnumber = usbdevice.deviceversionsubminor value a number.
... specifications specification status comment webusbthe definition of 'deviceversionsubminor' in that specification.

Guide to streaming audio and video - Web media technologies
in this guide, we'll examine the techniques used to stream audio and/or video media on the web, and how you can optimize your code, your media, your server, and the options you use while performing the streaming to bring out the best quality and performance possible.
... <<<...xxxxxx...>>> protocols in addition to the configuration of the server and the streaming code, there are sometimes special protocols which can be used to optimize performance.
... https live streaming https live streaming (hls) is a protocol developed by apple and supported by safari on all of their platforms.

performInstall - Archive of obsolete content
method of install syntax int performinstall(); parameters none.
...err = getlasterror(); if (!err) performinstall(); else cancelinstall(err); ...

minheight - Archive of obsolete content
« xul reference home minheight type: string (representing an integer) the minimum height of the element.
... this corresponds to the min-height css property.

minwidth - Archive of obsolete content
« xul reference home minwidth type: string (representing an integer) the minimum width of the element.
... this corresponds to the min-width css property.

amIndicator - Archive of obsolete content
« xul reference amindicator type: string the string value displayed for hours between midnight and noon, defaulting to am.
... this value is determined from the user's locale.

minute - Archive of obsolete content
« xul reference minute type: integer the currently selected minute from 0 to 59.
... set this property to change the selected minute.

pmIndicator - Archive of obsolete content
« xul reference pmindicator type: string the string value displayed for hours between noon and midnight, defaulting to pm.
... this value is determined from the user's locale.

Computer Programming - MDN Web Docs Glossary: Definitions of Web-related terms
computer programming is a process of composing and organizing a collection of instructions.
... learn more general knowledge computer programming on wikipedia list of programming languages: wikipedia ...

Prototype-based programming - MDN Web Docs Glossary: Definitions of Web-related terms
prototype-based programming is a style of object-oriented programming in which classes are not explicitly defined, but rather derived by adding properties and methods to an instance of another class or, less frequently, adding them to an empty object.
... learn more general knowledge prototype-based programming on wikipedia ...

Server Timing - MDN Web Docs Glossary: Definitions of Web-related terms
the server timing specification enables the server to communicate performance metrics from the request-response cycle to the user agent, and utilizes a javascript interface to allow applications to collect, process, and act on these metrics to optimize application delivery.
... see also https://www.w3.org/tr/server-timing/ resource timing ...

HeapMinimize
« xpcom api reference summary the heapminimize function attempts to shrink the size of the heap.
... static nsresult heapminimize( prbool aimmediate ); parameters aimmediate [in] if true, heap minimization will occur immediately if the call was made on the main thread.

nsIProgrammingLanguage
xpcom/base/nsiprogramminglanguage.idlscriptable this interface provides an enumeration of programming language identifiers.
... inherits from: nsisupports last changed in gecko 0.9.5 constants identifiers for programming languages.

Examine, modify, and watch variables - Firefox Developer Tools
examine variables when the code has stopped at a breakpoint, you can examine its state in the variables pane of the debugger: variables are grouped by scope: in function scope you'll see the built-in arguments and this variables as well as local variables defined by the function like user and greeting.
...you can then examine the results of these expressions.

Pretty-print a minified file - Firefox Developer Tools
to prettify a minified file, click the pretty print source icon () at the bottom of the source pane.
... after you click the icon, the source code looks like this: the pretty print source icon is available only if the source file is minified (i.e., not an original file), and is not already "prettified".

CSS Flexbox Inspector: Examine Flexbox layouts - Firefox Developer Tools
the flexbox inspector allows you to examine css flexbox layouts using the firefox devtools, which is useful for discovering flex containers on a page, examining and modifying them, debugging layout issues, and more.
...view shows information about the calculations for the size of the selected flex item: a diagram visualizing the sizing of the flex item content size - the size of the component without any restraints imposed on it by its parent flexibility - how much a flex item grew or shrunk based on its flex-grow value when there is extra free space or its flex-shrink value when there is not enough space minimum size (only appears when an item is clamped to its minimum size) - the minimum content size of a flex item when there is no more free space in the flex container final size - the size of the flex item after all sizing constraints imposed on it have been applied (based on the values of flex-grow, flex-shrink and flex-basis) at the top of the section is a drop-down list of all the items in th...

Determining the dimensions of elements - Web APIs
there are several properties you can look at in order to determine the width and height of elements, and it can be tricky to determine which is the right one for your needs.
...if you want to set the width and height of an element, use width and height or the overriding min-width and max-width, and min-height and max-height properties.

DeviceProximityEvent.min - Web APIs
the min property provides the minimum distance the sensor can report, in centimeters.
... syntax var value = instanceofdeviceproximityevent.min; value a positive number indicating the minimum distance, in centimeters (cm), the device's proximity sensor can report.

PerformanceLongTaskTiming.attribution - Web APIs
the attribution readonly property of the performancelongtasktiming interface returns a sequence of taskattributiontiming instances.
... syntax var taskattributetiming = performancelongtasktiming.attribution; value a sequence of taskattributiontiming instances.

PerformanceNavigationTiming.domComplete - Web APIs
function print_nav_timing_data() { // use getentriesbytype() to just get the "navigation" events var perfentries = performance.getentriesbytype("navigation"); for (var i=0; i < perfentries.length; i++) { console.log("= navigation entry[" + i + "]"); var p = perfentries[i]; // dom properties console.log("dom content loaded = " + (p.domcontentloadedeventend - p.domcontentloadedeventstart)); conso...
... // document load and unload time console.log("document load = " + (p.loadeventend - p.loadeventstart)); console.log("document unload = " + (p.unloadeventend - p.unloadeventstart)); // other properties console.log("type = " + p.type); console.log("redirectcount = " + p.redirectcount); } } specifications specification status comment navigation timing level 2the definition of 'domcomplete' in that specification.

PerformanceNavigationTiming.domContentLoadedEventEnd - Web APIs
function print_nav_timing_data() { // use getentriesbytype() to just get the "navigation" events var perfentries = performance.getentriesbytype("navigation"); for (var i=0; i < perfentries.length; i++) { console.log("= navigation entry[" + i + "]"); var p = perfentries[i]; // dom properties console.log("dom content loaded = " + (p.domcontentloadedeventend - p.domcontentloadedeventstart)); conso...
...le.log("dom complete = " + p.domcomplete); console.log("dom interactive = " + p.dominteractive); // document load and unload time console.log("document load = " + (p.loadeventend - p.loadeventstart)); console.log("document unload = " + (p.unloadeventend - p.unloadeventstart)); // other properties console.log("type = " + p.type); console.log("redirectcount = " + p.redirectcount); } } specifications specification status comment navigation timing level 2the definition of 'domcontentloadedeventend' in that specification.

PerformanceNavigationTiming.domContentLoadedEventStart - Web APIs
function print_nav_timing_data() { // use getentriesbytype() to just get the "navigation" events var perfentries = performance.getentriesbytype("navigation"); for (var i=0; i < perfentries.length; i++) { console.log("= navigation entry[" + i + "]"); var p = perfentries[i]; // dom properties console.log("dom content loaded = " + (p.domcontentloadedeventend - p.domcontentloadedeventstart)); conso...
... // document load and unload time console.log("document load = " + (p.loadeventend - p.loadeventstart)); console.log("document unload = " + (p.unloadeventend - p.unloadeventstart)); // other properties console.log("type = " + p.type); console.log("redirectcount = " + p.redirectcount); } } specifications specification status comment navigation timing level 2the definition of 'domcontentloadedeventstart' in that specification.

PerformanceNavigationTiming.loadEventEnd - Web APIs
function print_nav_timing_data() { // use getentriesbytype() to just get the "navigation" events var perfentries = performance.getentriesbytype("navigation"); for (var i=0; i < perfentries.length; i++) { console.log("= navigation entry[" + i + "]"); var p = perfentries[i]; // dom properties console.log("dom content loaded = " + (p.domcontentloadedeventend - p.domcontentloadedeventstart)); console.log("dom comple...
...te = " + p.domcomplete); console.log("dom interactive = " + p.dominteractive); // document load and unload time console.log("document load = " + (p.loadeventend - p.loadeventstart)); console.log("document unload = " + (p.unloadeventend - p.unloadeventstart)); // other properties console.log("type = " + p.type); console.log("redirectcount = " + p.redirectcount); } } specifications specification status comment navigation timing level 2the definition of 'loadeventend' in that specification.

PerformanceNavigationTiming.loadEventStart - Web APIs
function print_nav_timing_data() { // use getentriesbytype() to just get the "navigation" events var perfentries = performance.getentriesbytype("navigation"); for (var i=0; i < perfentries.length; i++) { console.log("= navigation entry[" + i + "]"); var p = perfentries[i]; // dom properties console.log("dom content loaded = " + (p.domcontentloadedeventend - p.domcontentloadedeventstart)); conso...
... // document load and unload time console.log("document load = " + (p.loadeventend - p.loadeventstart)); console.log("document unload = " + (p.unloadeventend - p.unloadeventstart)); // other properties console.log("type = " + p.type); console.log("redirectcount = " + p.redirectcount); } } specifications specification status comment navigation timing level 2the definition of 'loadeventstart' in that specification.

PerformanceNavigationTiming.redirectCount - Web APIs
function print_nav_timing_data() { // use getentriesbytype() to just get the "navigation" events var perfentries = performance.getentriesbytype("navigation"); for (var i=0; i < perfentries.length; i++) { console.log("= navigation entry[" + i + "]"); var p = perfentries[i]; // dom properties console.log("dom content loaded = " + (p.domcontentloadedeventend - p.domcontentloadedeventstart)); conso...
... // document load and unload time console.log("document load = " + (p.loadeventend - p.loadeventstart)); console.log("document unload = " + (p.unloadeventend - p.unloadeventstart)); // other properties console.log("type = " + p.type); console.log("redirectcount = " + p.redirectcount); } } specifications specification status comment navigation timing level 2the definition of 'redirectcount' in that specification.

PerformanceNavigationTiming.type - Web APIs
function print_nav_timing_data() { // use getentriesbytype() to just get the "navigation" events var perfentries = performance.getentriesbytype("navigation"); for (var i=0; i < perfentries.length; i++) { console.log("= navigation entry[" + i + "]"); var p = perfentries[i]; // dom properties console.log("dom content loaded = " + (p.domcontentloadedeventend - p.domcontentloadedeventstart)); conso...
... // document load and unload time console.log("document load = " + (p.loadeventend - p.loadeventstart)); console.log("document unload = " + (p.unloadeventend - p.unloadeventstart)); // other properties console.log("type = " + p.type); console.log("redirectcount = " + p.redirectcount); } } specifications specification status comment navigation timing level 2the definition of 'type' in that specification.

PerformanceNavigationTiming.unloadEventEnd - Web APIs
function print_nav_timing_data() { // use getentriesbytype() to just get the "navigation" events var perfentries = performance.getentriesbytype("navigation"); for (var i=0; i < perfentries.length; i++) { console.log("= navigation entry[" + i + "]"); var p = perfentries[i]; // dom properties console.log("dom content loaded = " + (p.domcontentloadedeventend - p.domcontentloadedeventstart)); conso...
... // document load and unload time console.log("document load = " + (p.loadeventend - p.loadeventstart)); console.log("document unload = " + (p.unloadeventend - p.unloadeventstart)); // other properties console.log("type = " + p.type); console.log("redirectcount = " + p.redirectcount); } } specifications specification status comment navigation timing level 2the definition of 'unloadeventend' in that specification.

PerformanceNavigationTiming.unloadEventStart - Web APIs
function print_nav_timing_data() { // use getentriesbytype() to just get the "navigation" events var perfentries = performance.getentriesbytype("navigation"); for (var i=0; i < perfentries.length; i++) { console.log("= navigation entry[" + i + "]"); var p = perfentries[i]; // dom properties console.log("dom content loaded = " + (p.domcontentloadedeventend - p.domcontentloadedeventstart)); conso...
... // document load and unload time console.log("document load = " + (p.loadeventend - p.loadeventstart)); console.log("document unload = " + (p.unloadeventend - p.unloadeventstart)); // other properties console.log("type = " + p.type); console.log("redirectcount = " + p.redirectcount); } } specifications specification status comment navigation timing level 2the definition of 'unloadeventstart' in that specification.

PerformanceResourceTiming.initiatorType - Web APIs
if the initiator is a performancenavigationtiming object, the property returns an empty string ("").
...initiatortype = not supported"); } specifications specification status comment resource timing level 1the definition of 'initiatortype' in that specification.

PerformanceResourceTiming.redirectEnd - Web APIs
when fetching a resource, if there are multiple http redirects, and any of the redirects have an origin that is different from the current document, and the timing allow check algorithm passes for each redirected resource, this property returns the time immediately after receiving the last byte of the response of the last redirect; otherwise, zero is returned.
..." + properties[i] + " = not supported"); } } } specifications specification status comment resource timing level 1the definition of 'redirectend' in that specification.

PerformanceResourceTiming.redirectStart - Web APIs
if there are http redirects when fetching the resource and if any of the redirects are not from the same origin as the current document, but the timing allow check algorithm passes for each redirected resource, this property returns the starting time of the fetch that initiates the redirect; otherwise, zero is returned.
..." + properties[i] + " = not supported"); } } } specifications specification status comment resource timing level 1the definition of 'redirectstart' in that specification.

PerformanceResourceTiming.workerStart - Web APIs
the workerstart read-only property of the performanceresourcetiming interface returns a domhighrestimestamp immediately before dispatching the fetchevent if a service worker thread is already running, or immediately before starting the service worker thread if it is not already running.
..." + properties[i] + " = not supported"); } } } specifications specification status comment resource timing level 2the definition of 'workerstart' in that specification.

TaskAttributionTiming.containerId - Web APIs
the containerid readonly property of the taskattributiontiming interface returns the container's id attribute.
... syntax var containerid = taskattributiontiming.containerid; value a domstring containing the containers id attribute.

TaskAttributionTiming.containerName - Web APIs
the containername readonly property of the taskattributiontiming interface returns the container's name attribute.
... syntax var containername = taskattributiontiming.containername; value a domstring containing the container's name attribute.

TaskAttributionTiming.containerSrc - Web APIs
the containersrc readonly property of the taskattributiontiming interface returns the container's src attribute.
... syntax var containersrc = taskattributiontiming.containersrc; value a domstring containing the container's src attribute.

TaskAttributionTiming.containerType - Web APIs
the containertype readonly property of the taskattributiontiming interface returns the type of frame container, one of iframe, embed, or object.
... syntax var containertype = taskattributiontiming.containertype; value a domstring containing the container's type, one of iframe, embed, or object.

WebGLShaderPrecisionFormat.rangeMin - Web APIs
the read-only webglshaderprecisionformat.rangemin property returns the base 2 log of the absolute value of the minimum value that can be represented.
... examples var canvas = document.getelementbyid('canvas'); var gl = canvas.getcontext('webgl'); gl.getshaderprecisionformat(gl.vertex_shader, gl.medium_float).rangemin; // 127 gl.getshaderprecisionformat(gl.fragment_shader, gl.low_int).rangemin; // 24 specifications specification status comment webgl 1.0the definition of 'webglshaderprecisionformat.rangemin' in that specification.

Window.minimize() - Web APIs
the window.minimize() method sets the window to a minimized state.
... desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetminimize non-standardchrome no support noedge no support nofirefox no support noie ?

customindex - Archive of obsolete content
« xul reference home customindex not in seamonkey 1.x type: integer this value is the index of the toolbar in the list of the custom toolbars.

min - Archive of obsolete content
« xul reference home min type: integer the minimum value the control's value may take.

minresultsforpopup - Archive of obsolete content
« xul reference home minresultsforpopup new in thunderbird 3requires seamonkey 2.0 type: integer the minimum number of results that must be returned for the popup to be displayed.

textbox.min - Archive of obsolete content
« xul reference home min type: integer the minimum value the textbox's value may take.

textbox.minResultsForPopup - Archive of obsolete content
« xul reference home minresultsforpopup obsolete since gecko 1.9.1 type: integer the minimum number of results that must be returned for the popup to be displayed.

DOMMenuItemInactive - Archive of obsolete content
the dommenuiteminactive event is executed when a <menu> or a <menuitem> in no longer hovered or highlighted.

min - Archive of obsolete content
« xul reference min type: integer gets and sets the value of the min attribute.

minHeight - Archive of obsolete content
« xul reference minheight type: integer gets and sets the value of the minheight attribute.

minResultsForPopup - Archive of obsolete content
« xul reference minresultsforpopup type: integer gets and sets the value of the minresultsforpopup (or minresultsforpopup) attribute.

minWidth - Archive of obsolete content
« xul reference minwidth type: integer gets and sets the value of the minwidth attribute.

minuteLeadingZero - Archive of obsolete content
« xul reference minuteleadingzero type: boolean a read only value indicating whether a leading zero should be displayed before the minute when it is less than 10.

-ms-content-zooming - Archive of obsolete content
the -ms-content-zooming css property is a microsoft extension that specifies whether zooming is enabled.

Resource Timing - MDN Web Docs Glossary: Definitions of Web-related terms
the resource timing api is a javascript api that is able to capture timing information for each individual resource that is fetched when a page is loaded.

How Mozilla determines MIME Types
unknown decoder located at netwerk/streamconv/converters/nsunknowndecoder.cpp, the interesting part starts at line 287, the ssnifferentries array together with the determinecontenttype function.

Renaming With Pork
filterdiff from patchutils renaming a class 1.

nsIDiskCacheStreamInternal
netwerk/cache/nsidiskcachestreaminternal.idlscriptable please add a summary to this article.

heapMinimize
this content is now available at nsimemory.heapminimize().

Filter Incoming Mail
filter incoming mail to filter incoming mail, the first step is to detect new messages inconming.

Examine and edit HTML - Firefox Developer Tools
you can examine and edit the page's html in the html pane.

PerformanceResourceTiming.connectEnd - Web APIs
" + properties[i] + " = not supported"); } } } specifications specification status comment resource timing level 1the definition of 'connectend' in that specification.

PerformanceResourceTiming.connectStart - Web APIs
" + properties[i] + " = not supported"); } } } specifications specification status comment resource timing level 1the definition of 'connectstart' in that specification.

PerformanceResourceTiming.decodedBodySize - Web APIs
transfersize = " + perfentry.transfersize); else console.log("transfersize = not supported"); } function check_performanceentries() { // use getentriesbytype() to just get the "resource" events var p = performance.getentriesbytype("resource"); for (var i=0; i < p.length; i++) { log_sizes(p[i]); } } specifications specification status comment resource timing level 2the definition of 'decodedbodysize' in that specification.

PerformanceResourceTiming.domainLookupEnd - Web APIs
" + properties[i] + " = not supported"); } } } specifications specification status comment resource timing level 1the definition of 'domainlookupend' in that specification.

PerformanceResourceTiming.domainLookupStart - Web APIs
" + properties[i] + " = not supported"); } } } specifications specification status comment resource timing level 1the definition of 'domainlookupstart' in that specification.

PerformanceResourceTiming.encodedBodySize - Web APIs
transfersize = " + perfentry.transfersize); else console.log("transfersize = not supported"); } function check_performanceentries() { // use getentriesbytype() to just get the "resource" events var p = performance.getentriesbytype("resource"); for (var i=0; i < p.length; i++) { log_sizes(p[i]); } } specifications specification status comment resource timing level 2the definition of 'encodedbodysize' in that specification.

PerformanceResourceTiming.fetchStart - Web APIs
" + properties[i] + " = not supported"); } } } specifications specification status comment resource timing level 1the definition of 'fetchstart' in that specification.

PerformanceResourceTiming.nextHopProtocol - Web APIs
esource"); for (var i=0; i < p.length; i++) { print_nexthopprotocol(p[i]); } } function print_nexthopprotocol(perfentry) { var value = "nexthopprotocol" in perfentry; if (value) console.log("nexthopprotocol = " + perfentry.nexthopprotocol); else console.log("nexthopprotocol = not supported"); } specifications specification status comment resource timing level 2the definition of 'nexthopprotocol' in that specification.

PerformanceResourceTiming.requestStart - Web APIs
" + properties[i] + " = not supported"); } } } specifications specification status comment resource timing level 1the definition of 'requeststart' in that specification.

PerformanceResourceTiming.responseEnd - Web APIs
" + properties[i] + " = not supported"); } } } specifications specification status comment resource timing level 1the definition of 'responseend' in that specification.

PerformanceResourceTiming.responseStart - Web APIs
" + properties[i] + " = not supported"); } } } specifications specification status comment resource timing level 1the definition of 'responsestart' in that specification.

PerformanceResourceTiming.secureConnectionStart - Web APIs
" + properties[i] + " = not supported"); } } } specifications specification status comment resource timing level 1the definition of 'secureconnectionstart' in that specification.

PerformanceResourceTiming.transferSize - Web APIs
transfersize = " + perfentry.transfersize); else console.log("transfersize = not supported"); } function check_performanceentries() { // use getentriesbytype() to just get the "resource" events var p = performance.getentriesbytype("resource"); for (var i=0; i < p.length; i++) { log_sizes(p[i]); } } specifications specification status comment resource timing level 2the definition of 'transfersize' in that specification.

PerformanceServerTiming.description - Web APIs
syntax servertiming.description; specifications specification status comment server timingthe definition of 'description' in that specification.

PerformanceServerTiming.duration - Web APIs
syntax servertiming.duration; specifications specification status comment server timingthe definition of 'duration' in that specification.

PerformanceServerTiming.name - Web APIs
syntax servertiming.name; specifications specification status comment server timingthe definition of 'name' in that specification.

Meta programming - JavaScript
terminology the following terms are used when talking about the functionality of proxies.

Transforming XML with XSLT - XSLT: Extensible Stylesheet Language Transformations
xslt allows a stylesheet author to transform a primary xml document in two significant ways: manipulating and sorting the content, including a wholesale reordering of it if so desired, and transforming the content into a different format (and in the case of firefox, the focus is on converting it on the fly into html which can then be displayed by the browser).

Index - Web APIs
32 addresserrors.country api, addresserrors, error, payment request, payment request api, property, reference, validation, country, payment an object based on addresserrors includes a country property if during validation of the address the specified value of country was determined to be invalid.
... 48 ambientlightsensor api, ambient light sensor api, ambientlightsensor, generic sensor api, interface, reference, sensor, sensor apis, sensors the ambientlightsensor interface of the the sensor apis returns the current light level or illuminance of the ambient light around the hosting device.
... 49 ambientlightsensor.ambientlightsensor() api, ambient light sensor api, ambientlightsensor, constructor, reference the ambinentlightsensor() constructor creates a new ambientlightsensor object, which returns the current light level or illuminance of the ambient light around the hosting device.
...And 306 more matches

Index - Archive of obsolete content
67 windows add-on sdk enumerate and examine open browser windows, open new windows, and listen for window events.
... 80 core/promise implementation of promises to make asynchronous programming easier.
... 206 rosetta c, dom, html, htmlscriptelement, javascript, non-javascript, programming languages no summary!
...And 95 more matches

Index - MDN Web Docs Glossary: Definitions of Web-related terms
found 528 pages: # page tags and summary 1 mdn web docs glossary: definitions of web-related terms beginner, definitions, dictionary, glossary, index, landing, terminology web technologies contain long lists of jargon and abbreviations that are used in documentation and coding.
... 5 api codingscripting, glossary, infrastructure an api (application programming interface) is a set of features and rules that exist inside a software program (the application) enabling interaction with it through software - as opposed to a human user interface.
... 10 abstraction abstraction, coding, codingscripting, glossary, programming language abstraction in computer programming is a way to reduce complexity and allow efficient design and implementation in complex software systems.
...And 77 more matches

Index
nss is a library written in the c programming language.
...in order to support multiple operating systems (os), it is based on a cross platform portability layer, called the netscape portable runtime (nspr), which provides cross platform application programming interfaces (apis) for os specific apis like file system access, memory management, network communication, and multithreaded programming.
...(note that it's important to look at the number 11, as there are other pkcs standards with different numbers that define quite different topics.) a software or hardware module conforming to the pkcs#11 standard implements an interface of c calls, which allow querying the characteristics and offered services of the module.
...And 63 more matches

Command line crash course - Learn web development
previous overview: understanding client-side tools next in your development process you'll undoubtedly be required to run some command in the terminal (or on the "command line" — these are effectively the same thing).
... this article provides an introduction to the terminal, the essential commands you'll need to enter into it, how to chain commands together, and how to add your own command line interface (cli) tools.
... objective: to understand what the terminal/command line is, what basic commands you should learn, and how to install new command line tools.
...And 59 more matches

Index
8 generating guids add-ons, developing mozilla, developing_mozilla:tools, extensions, tools, xpcom guids are used in mozilla programming for identifying several types of entities, including xpcom interfaces (this type of guids is callled iid), components (cid), and legacy add-ons—like extensions and themes—that were created prior to firefox 1.5.
... 24 components.issuccesscode xpcom, xpcom:language bindings, xpconnect determines whether a given xpcom return code (that is, an nsresult value) indicates the success or failure of an operation, returning true or false respectively.
... 38 components.utils.getglobalforobject add-ons, developing mozilla, extensions, javascript, xpcom:language bindings, xpconnect this method is used to determine the global object with which an object is associated.
...And 42 more matches

Index
20 int_fits_in_jsval jsapi reference, obsolete, spidermonkey determines if a specified c integer value, i, lies within the range allowed for integer jsvals.
...does not write the null terminator.
...the returned length does not include the null-terminator.
...And 35 more matches

sslfnc.html
if you are performing operations that require write permission, for example s/mime operations such as adding a certificate, use nss_initreadwrite instead.
... use nss_initreadwrite rather than nss_init if you are performing operations that require write permission, such as some s/mime operations.
...if client does not provide certificate, the connection terminates.
...And 34 more matches

Index - Learn web development
37 css basics beginner, css, codingscripting, learn, styling, web, l10n:priority like html, css is not a programming language.
... 39 html basics beginner, codingscripting, html, learn, web, l10n:priority html is not a programming language; it is a markup language that defines the structure of your content.
...in this article, we'll just set you up with a bare minimum — a text editor and some modern web browsers.
...And 33 more matches

Web Replay
devtools.recordreplay.logging when enabled, firefox will log web replay's internal actions to the terminal, which is helpful when debugging hangs and crashes.
... record/replay infrastructure broadly, reliable record/replay is achieved by controlling for non-determinism in the browser.
... this non-determinism originates from two sources: intra-thread and inter-thread.
...And 32 more matches

<input>: The Input (Form Input) element - HTML: Hypertext Markup Language
used in conjunction min and max to define the range of acceptable values.
... <input type="range" name="range" min="0" max="25"/> html5 reset a button that resets the contents of the form to default values.
... <input type="week" name="week"/> html5 obsolete values datetime a control for entering a date and time (hour, minute, second, and fraction of a second) based on utc time zone.
...And 28 more matches

<input type="time"> - HTML: Hypertext Markup Language
<input> elements of type time create input fields designed to let the user easily enter a time (hours and minutes, and optionally seconds).
... appearance chrome and opera in chrome/opera the time control is simple, with slots to enter hours and minutes in 12 or 24-hour format depending on operating system locale, and up and down arrows to increment and decrement the currently selected component.
... 12-hour 24-hour edge the edge time control is somewhat more elaborate, opening up an hour and minute picker with sliding reels.
...And 27 more matches

Web audio codec guide - Web media technologies
for web developers, an even bigger concern is the network bandwidth needed in order to transfer audio, whether for streaming or to download it for use during gameplay.
... for each factor that affects the encoded audio, there is a simple rule that is nearly always true: because the fidelity of digital audio is determined by the granularity and precision of the samples taken to convert it into a data stream, the more data used to represent the digital version of the audio, the more closely the sampled sound will match the source material.
...the specific codec used—and the compression configuration selected—determine how close to the original, uncompressed audio signal the output seems to be when heard by the human ear.
...And 25 more matches

Using CSS transitions - CSS: Cascading Style Sheets
css transitions let you decide which properties to animate (by listing them explicitly), when the animation will start (by setting a delay), how long the transition will last (by setting a duration), and how the transition will run (by defining a timing function, e.g.
...class="box">lorem</div> </div> .parent { width: 250px; height:125px;} .box { width: 100px; height: 100px; background-color: red; font-size: 20px; left: 0px; top: 0px; position:absolute; -webkit-transition-property: width height background-color font-size left top transform -webkit-transform color; -webkit-transition-duration: 0.5s; -webkit-transition-timing-function: ease-in-out; transition-property: width height background-color font-size left top transform -webkit-transform color; transition-duration: 0.5s; transition-timing-function: ease-in-out; } .box1{ transform: rotate(270deg); -webkit-transform: rotate(270deg); width: 50px; height: 50px; background-color: blue; color: yellow; font-size: 18px; left...
...: 150px; top: 25px; position: absolute; -webkit-transition-property: width height background-color font-size left top transform -webkit-transform color; -webkit-transition-duration: 0.5s; -webkit-transition-timing-function: ease-in-out; transition-property: width height background-color font-size left top transform -webkit-transformv color; transition-duration: 0.5s; transition-timing-function: ease-in-out; } function updatetransition() { var el = document.queryselector("div.box"); if (el) { el.classname = "box1"; } else { el = document.queryselector("div.box1"); el.classname = "box"; } return el; } var intervalid = window.setinterval(updatetransition, 7000); transition-duration: 1s <div class="parent"> <div class=...
...And 24 more matches

<input type="range"> - HTML: Hypertext Markup Language
events change and input supported common attributes autocomplete, list, max, min, and step idl attributes list, value, and valueasnumber methods stepdown() and stepup() validation there is no pattern validation available; however, the following forms of automatic validation are performed: if the value is set to something which can't be converted into a valid floating-point number, validation fails because the input is suffering from a bad in...
... the value won't be less than min.
...the default value is halfway between the specified minimum and maximum—unless the maximum is actually less than the minimum, in which case the default is set to the value of the min attribute.
...And 24 more matches

Index - Archive of obsolete content
81 customindex xul attributes, xul reference no summary!
... 193 menuitem.type xul attributes, xul reference more information on adding checkmarks to menus in the xul tutorial 194 min xul attributes, xul reference no summary!
... 195 minheight xul attributes, xul reference no summary!
...And 23 more matches

Introduction to the server side - Learn web development
overview: first steps next welcome to the mdn beginner's server-side programming course!
... in this first article, we look at server-side programming from a high level, answering questions such as "what is it?", "how does it differ from client-side programming?", and "why it is so useful?".
... objective: to gain familiarity with what server-side programming is, what it can do, and how it differs from client-side programming.
...And 23 more matches

Mozilla internal string guide
every 16-bit class has an equivalent 8-bit class: naming convention for wide and narrow string classes wide narrow nsastring nsacstring nsstring nscstring nsautostring nsautocstring etc...
... the string classes distinguish, as part of the type hierarchy, between strings that must have a null-terminator at the end of their buffer (ns[c]string) and strings that are not required to have a null-terminator (nsa[c]string).
...nsastring is not necessarily null-terminated.
...And 21 more matches

Viewpoints and viewers: Simulating cameras in WebXR - Web APIs
note: most diagrams used in this article to show how the camera moves while performing standard movements was taken from an article on the filmmakeriq web site; namely, from this image which is found all over the web, however, and though we assume these are under a permissive license due to their frequent reuse, ownership is not certain.
...thus, instead of referring to an actual camera object, the term camera is used in webgl and webxr programming to refer to an object describing the position and viewing direction of a hypothetical viewer of the scene, whether there's an actual object present in 3d space or not.
...gaming-related situations are listed separately since they are often a special case specific to gaming, but any of these perspectives might apply to any 3d graphics scene.
...And 21 more matches

Introduction to Public-Key Cryptography - Archive of obsolete content
authentication allows the recipient of information to determine its origin-that is, to confirm the sender's identity.
... nonrepudiation prevents the sender of information from claiming at a later date that the information was never sent.
... authentication confirms an identity authentication is the process of confirming an identity.
...And 20 more matches

Establishing a connection: The WebRTC perfect negotiation pattern - Web APIs
perfect negotiation works by assigning each of the two peers a role to play in the negotiation process that's entirely separate from the webrtc connection state: a polite peer, which uses ice rollback to prevent collisions with incoming offers.
... a polite peer, essentially, is one which may send out offers, but then responds if an offer arrives from the other peer with "okay, never mind, drop my offer and i'll consider yours instead." an impolite peer, which always ignores incoming offers that collide with its own offers.
... how you determine which peer is polite and which is impolite is generally up to you.
...And 20 more matches

preserveAspectRatio - SVG: Scalable Vector Graphics
" xmlns="http://www.w3.org/2000/svg"> <defs> <path id="smiley" d="m50,10 a40,40,1,1,1,50,90 a40,40,1,1,1,50,10 m30,40 q36,35,42,40 m58,40 q64,35,70,40 m30,60 q50,75,70,60 q50,75,30,60" /> </defs> <!-- (width>height) meet --> <svg preserveaspectratio="xmidymid meet" x="0" y="0" viewbox="0 0 100 100" width="20" height="10"><use href="#smiley" /></svg> <svg preserveaspectratio="xminymid meet" x="25" y="0" viewbox="0 0 100 100" width="20" height="10"><use href="#smiley" /></svg> <svg preserveaspectratio="xmaxymid meet" x="50" y="0" viewbox="0 0 100 100" width="20" height="10"><use href="#smiley" /></svg> <!-- (width>height) slice --> <svg preserveaspectratio="xmidymin slice" x="0" y="15" viewbox="0 0 100 100" width="20" height="10"><use href="#smiley" /></sv...
...g> <svg preserveaspectratio="xmidymid slice" x="25" y="15" viewbox="0 0 100 100" width="20" height="10"><use href="#smiley" /></svg> <svg preserveaspectratio="xmidymax slice" x="50" y="15" viewbox="0 0 100 100" width="20" height="10"><use href="#smiley" /></svg> <!-- (width<height) meet --> <svg preserveaspectratio="xmidymin meet" x="75" y="0" viewbox="0 0 100 100" width="10" height="25"><use href="#smiley" /></svg> <svg preserveaspectratio="xmidymid meet" x="90" y="0" viewbox="0 0 100 100" width="10" height="25"><use href="#smiley" /></svg> <svg preserveaspectratio="xmidymax meet" x="105" y="0" viewbox="0 0 100 100" width="10" height="25"><use href="#smiley" /></svg> <!-- (width<height) slice --> <svg preserveaspectratio="xminymid slice" x="120" y="0" viewbo...
...36,35,42,40 m58,40 q64,35,70,40 m30,60 q50,75,70,60 q50,75,30,60" /> </defs> <!-- (width>height) meet --> <rect x="0" y="0" width="20" height="10"> <title>xmidymid meet</title> </rect> <svg viewbox="0 0 100 100" width="20" height="10" preserveaspectratio="xmidymid meet" x="0" y="0"> <use href="#smiley" /> </svg> <rect x="25" y="0" width="20" height="10"> <title>xminymid meet</title> </rect> <svg viewbox="0 0 100 100" width="20" height="10" preserveaspectratio="xminymid meet" x="25" y="0"> <use href="#smiley" /> </svg> <rect x="50" y="0" width="20" height="10"> <title>xmaxymid meet</title> </rect> <svg viewbox="0 0 100 100" width="20" height="10" preserveaspectratio="xmaxymid meet" x="50" y="0"> <use href="#smiley" /> ...
...And 20 more matches

Introduction to SSL - Archive of obsolete content
this document is primarily intended for administrators of red hat server products, but the information it contains may also be useful for developers of applications that support ssl.
...in addition, all data sent over an encrypted ssl connection is protected with a mechanism for detecting tampering-that is, for automatically determining whether the data has been altered in transit.
...among its other functions, the ssl handshake protocol determines how the server and client negotiate which cipher suites they will use to authenticate each other, to transmit certificates, and to establish session keys.
...And 19 more matches

<input type="datetime-local"> - HTML: Hypertext Markup Language
<input> elements of type datetime-local create input controls that let the user easily enter both a date and a time, including the year, month, and day as well as the time in hours and minutes.
...in other words, an implementation should allow any valid combination of year, month, day, hour, and minute - even if such a combination is invalid in the user's local time zone (such as times within a daylight saving time spring-forward transition gap).
... note: also bear in mind that if such data is submitted via http get, the colon character will need to be escaped for inclusion in the url parameters, e.g.
...And 19 more matches

x - SVG: Scalable Vector Graphics
value list of <length> default value none animatable yes feblend for <feblend>, x defines the minimum x coordinate for the rendering area of the primitive.
... value <length> | <percentage> default value 0% animatable yes fecolormatrix for <fecolormatrix>, x defines the minimum x coordinate for the rendering area of the primitive.
... value <length> | <percentage> default value 0% animatable yes fecomponenttransfer for <fecomponenttransfer>, x defines the minimum x coordinate for the rendering area of the primitive.
...And 19 more matches

y - SVG: Scalable Vector Graphics
value list of <length> default value none animatable yes feblend for <feblend>, y defines the minimum y coordinate for the rendering area of the primitive.
... value <length> | <percentage> default value 0% animatable yes fecolormatrix for <fecolormatrix>, y defines the minimum y coordinate for the rendering area of the primitive.
... value <length> | <percentage> default value 0% animatable yes fecomponenttransfer for <fecomponenttransfer>, y defines the minimum y coordinate for the rendering area of the primitive.
...And 19 more matches

Plug-in Basics - Plugins
when the browser starts, it enumerates the available plug-ins (this step varies according to platform), reads resources from each plug-in file to determine the mime types for that plug-in, and registers each plug-in library for its mime types.
... advanced: you can determine which directories a gecko program checks with the linux strace command, for example: strace -e open /usr/bin/firefox 2>&1 | grep plugin but with version firefox-41.0.2 we can not check.
... checking plug-ins by mime type the enabledplugin property in javascript can be used to determine which plug-in is configured for a specific mime type.
...And 18 more matches

WebGL constants - Web APIs
one_minus_src_color 0x0301 passed to blendfunc or blendfuncseparate to multiply a component by one minus the source elements color.
... one_minus_src_alpha 0x0303 passed to blendfunc or blendfuncseparate to multiply a component by one minus the source's alpha.
... one_minus_dst_alpha 0x0305 passed to blendfunc or blendfuncseparate to multiply a component by one minus the destination's alpha.
...And 18 more matches

Lighting a WebXR setting - Web APIs
however, there are issues and details to keep in mind while creating your lighting code, especially for augmented reality (ar) applications.
...and while this article provides brief reminders as to how lighting works in general, it is not by any means a tutorial in lighting or a guide to how to create a properly-lit 3d scene.
... flashback: simulating lighting in 3d although this article isn't a comprehensive guide to lighting a 3d scene, it's useful to provide a brief reminder as to how lighting works in general.
...And 18 more matches

Inputs and input sources - Web APIs
in this guide, we'll look at how to use webxr's input device management features to determine what input sources are available and how to then monitor those sources for inputs in order to handle user interactivity with your virtual or augmented environment.
...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.
...it describes the technique used to determine the targeting ray and how it should be shown to the user if presented visually.
...And 17 more matches

WindowOrWorkerGlobalScope.setInterval() - Web APIs
heets.push(new sheet(aitems[nitem])); /* uncomment the following line if you have previously hidden your elements via css: */ // aitems[nitem].style.visibility = "visible"; } bstart = false; } nintervid = setinterval(typewrite, this.rate); btyping = true; }; this.pause = function () { clearinterval(nintervid); btyping = false; }; this.terminate = function () { ocurrent.nodevalue += spart; spart = ""; for (nidx; nidx < asheets.length; scroll(asheets[nidx++], 0, false)); clean(); }; } /* usage: */ var otwexample1 = new typewriter(/* elements: */ '#article, h1, #info, #copyleft', /* frame rate (optional): */ 15); /* default frame rate is 100: */ var otwexample2 = new typewriter('#controls'); /* you can also change t...
...="font-style: italic; font-size: 12px; text-align: center;">copyleft 2012 by <a href="https://developer.mozilla.org/" target="_blank">mozilla developer network</a></p> <p id="controls" style="text-align: center;">[&nbsp;<span class="intlink" onclick="otwexample1.play();">play</span> | <span class="intlink" onclick="otwexample1.pause();">pause</span> | <span class="intlink" onclick="otwexample1.terminate();">terminate</span>&nbsp;]</p> <div id="info"> vivamus blandit massa ut metus mattis in fringilla lectus imperdiet.
...the following ie-specific code demonstrates a method for overcoming this limitation.
...And 16 more matches

Mozilla Crypto FAQ - Archive of obsolete content
encryption export regulations published on january 14, 2000, the release on february 11, 2000, of source code for ssl, s/mime, and general pki functionality for use in the mozilla project, and the "bernstein advisory" issued by the bureau of export administration on february 17, 2000.
...now that the rsa patent is in the public domain, mozilla crypto development can proceed with minimal restrictions.
...as long as you are simply mirroring the mozilla site as is, you do not need to provide any notification to the bureau of export administration or nsa.
...And 15 more matches

Browser Detection and Cross Browser Support - Archive of obsolete content
quick tip if you must determine if a visitor is using a gecko-based browser, simply test navigator.product == 'gecko' or look for the string 'gecko/' in the navigator.useragent.
...due to bugs, incomplete implementations of the standards and legacy browsers, web developers must be able to determine which browser a visitor is using and provide the appropriate content and scripting code path.
... more specific gecko recommendations, please see the gecko compatibility handbook gecko although many web developers are aware of firefox, mozilla, and netscape browsers, far fewer are aware that these browsers are members of an entire family of user agents based upon the gecko layout engine which includes the commercial browser compuserve 7, and open source browsers such as epiphany, galeon, camino, kmeleon, and seamonkey.
...And 15 more matches

MathML Accessibility in Mozilla
a numerator b denominator fraction ab\frac a b ab __________ a over b __________ fraction start, a over b, end of fraction.
... a numerator b denominator fraction without bar ab __________ a sub b __________ a, subscript b a.
... a base 3 numerator 4 denominator root-index fraction ab __________ the the square root of b root of a __________ square root of b, end of root root of a, end of root square root of b.
...And 15 more matches

Bytecode Descriptions
string operands: (uint32_t atomindex) stack: ⇒ string push the string constant script->getatom(atomindex).
...format: jof_ic newobject, newobjectwithgroup operands: (uint32_t baseobjindex) stack: ⇒ obj create and push a new object of a predetermined shape.
...format: jof_elem, jof_propinit, jof_ic initeleminc stack: array, index, val ⇒ array, (index + 1) initialize an array element array[index++] with value val.
...And 15 more matches

Numbers and dates - JavaScript
you cannot change the values of these properties and you use them as follows: var biggestnum = number.max_value; var smallestnum = number.min_value; var infinitenum = number.positive_infinity; var neginfinitenum = number.negative_infinity; var notanum = number.nan; you always refer to a property of the predefined number object as shown above, and not as a property of a number object you create yourself.
... properties of number property description number.max_value the largest representable number (±1.7976931348623157e+308) number.min_value the smallest representable number (±5e-324) number.nan special "not a number" value number.negative_infinity special negative infinite value; returned on overflow number.positive_infinity special positive infinite value; returned on overflow number.epsilon difference between 1 and the smallest value greater than 1 that can be represented as a number (2.220446049250313e-16) number.min_safe_integer minimum safe integer in javascript (−253 + 1, or −9007199254740991) number.max_safe_i...
... number.isfinite() determines whether the passed value is a finite number.
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Anatomy of a video game - Game development
here is an example of a simple main loop: window.main = function () { window.requestanimationframe( main ); // whatever your main loop needs to do }; main(); // start the cycle note: in each of the main() methods discussed here, we schedule a new requestanimationframe before performing our loop contents.
... timing the main loop to when the browser paints to the display allows you to run your loop as frequently as the browser wants to paint.
...the leading semicolon * marks the beginning of our new line if the previous one was not empty or terminated.
...And 14 more matches

Using the Multiple Accounts API
accounts (nsimsgaccount): an account consists of a single incoming server, and one or more identities.
... an account is merely a container to bind incoming servers and identities together.
... incoming servers (nsimsgincomingserver): an incoming server represents a remote message store such as a pop, imap, or nntp server.
...And 14 more matches

Performance API - Web APIs
the timing property returns a performancetiming object containing latency-related performance information such as the start of navigation time, start and end times for redirects, start and end times for responses, etc.
... interfaces performance provides methods and properties containing timing-related performance information for the given page.
... performanceframetiming provides methods and properties containing frame timing data about the browser's event loop.
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Signaling and video calling - Web APIs
in this article, we will further enhance the websocket chat first created as part of our websocket documentation (this article link is forthcoming; it isn't actually online yet) to support opening a two-way video call between users.
...a signaling server's job is to serve as an intermediary to let two peers find and establish a connection while minimizing exposure of potentially private information as much as possible.
...each peer sends candidates in the order they're discovered, and keeps sending candidates until it runs out of suggestions, even if media has already started streaming.
...And 14 more matches

Linear-gradient Generator - CSS: Cascading Style Sheets
ml 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 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">...
... position: absolute; bottom: 0; right: 0; } [data-resize='both']:hover { cursor: nw-resize !important; } [data-resize='width']:hover { cursor: w-resize !important; } [data-resize='height']:hover { cursor: n-resize !important; } /** * main container */ #container { width: 1000px; height: 100%; display: table; margin: 0 auto; } #gradient-container { width: 450px; height: 250px; min-width: 8px; min-height: 8px; margin: 100px auto; border: 1px solid #ddd; position: relative; } #gradient-container[data-alpha="true"]:after { content: ""; width: 100%; height: 100%; background: url('images/canvas-pattern.png'); position: absolute; z-index: -1; } /** * gradient axis */ .gradient-axis { width: 125%; height: 4px; margin: -3px 0 0 0; border: 1px solid #ccc; posit...
...And 14 more matches

clamp() - CSS: Cascading Style Sheets
clamp() enables selecting a middle value within a range of values between a defined minimum and maximum.
... it takes three parameters: a minimum value, a preferred value, and a maximum allowed value.
... clamp(min, val, max) is resolved as max(min, min(val, max)) the source for this interactive example is stored in a github repository.
...And 14 more matches

Digital audio concepts - Web media technologies
this guide is an overview examining how audio is represented digitally, and how codecs are used to encode and decode audio for use on the web.
...this analog signal is then converted into digital form by a circuit that captures the incoming wave's amplitude at regular intervals, converting that data into a number in a form that is understood by the audio recording system.
...therefore, a typical three-minute song requires about 34.5 mb of memory.
...And 14 more matches

Web video codec guide - Web media technologies
a minute of hd video would need 14.93 gb of storage.
... a fairly typical 30 minute video conference would need about 447.9 gb of storage, and a 2-hour movie would take almost 1.79 tb (that is, 1790 gb).
...the determining factor is what internal storage format is used for the compressed data.
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SVG documentation index - SVG: Scalable Vector Graphics
31 baseprofile deprecated, svg, svg attribute the baseprofile attribute describes the minimum svg language profile that the author believes is necessary to correctly render the content.
... 32 baseline-shift needsexample, svg, svg attribute the baseline-shift attribute allows repositioning of the dominant-baseline relative to the dominant-baseline of the parent text content element.
... 61 dominant-baseline reference, svg, svg attribute the dominant-baseline attribute specifies the dominant baseline, which is the baseline used to align the box’s text and inline-level contents.
...And 14 more matches

Client-side form validation - Learn web development
read website security for an idea of what could happen; implementing server-side validation is somewhat beyond the scope of this module, but you should bear it in mind.
... minlength and maxlength: specifies the minimum and maximum length of textual data (strings) min and max: specifies the minimum and maximum values of numerical input types type: specifies whether the data needs to be a number, an email address, or some other specific preset type.
... constraining the length of your entries you can constrain the character length of all text fields created by <input> or <textarea> by using the minlength and maxlength attributes.
...And 13 more matches

NSS API Guidelines
utility for any layer lib/util base64.h, ciferfam.h, nssb64.h, nssb64t.h, nsslocks.h, nssrwlk.h, nssrwlkt.h, portreg.h, pqgutil.h, secasn1.h, secasn1t.h, seccomon.h, secder.h, secdert.h, secdig.h, secdigt.h, secitem.h, secoid.h, secoidt.h, secport.h, secrng.h, secrngt.h, secerr.h, watcomfx.h naming conventions this section describes the rules that (ideally) should be followed for naming and identifying new files, functions, and data types.
...the only catch is that you have to determine the name of the array.
... header files we have a preferred naming system for include files.
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JSAPI User Guide
the word javascript may bring to mind features such as event handlers (like onclick), dom objects, window.open, and xmlhttprequest.
... a minimal example each of the three key elements described in the previous section requires a few jsapi calls: the runtime: use js_newruntime to create it and js_destroyruntime to clean it up when you're done.
... here is the boilerplate code necessary for a minimal jsapi application.
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Box-shadow generator - CSS: Cascading Style Sheets
<div class="ui-checkbox" data-topic='inset'></div> </div> <div class="slidergroup"> <div class="ui-slider-name"> position x </div> <div class="ui-slider-btn-set" data-topic="posx" data-type="sub"></div> <div class="ui-slider" data-topic="posx" data-min="-500" data-max="500" data-step="1"> </div> <div class="ui-slider-btn-set" data-topic="posx" data-type="add"></div> <div class="ui-slider-input" data-topic="posx" data-unit="px"></div> </div> <div class="slidergroup"> <div class="ui-slider-name"> position y </div> ...
... <div class="ui-slider-btn-set" data-topic="posy" data-type="sub"></div> <div class="ui-slider" data-topic="posy" data-min="-500" data-max="500" data-step="1"> </div> <div class="ui-slider-btn-set" data-topic="posy" data-type="add"></div> <div class="ui-slider-input" data-topic="posy" data-unit="px"></div> </div> <div class="slidergroup"> <div class="ui-slider-name"> blur </div> <div class="ui-slider-btn-set" data-topic="blur" data-type="sub"></div> <div class="ui-slider" data-topic="blur" data-min="0" data-max="200" data-step="1"> </div> ...
...ass="ui-slider-input" data-topic="blur" data-unit="px"></div> </div> <div class="slidergroup"> <div class="ui-slider-name"> spread </div> <div class="ui-slider-btn-set" data-topic="spread" data-type="sub"></div> <div class="ui-slider" data-topic="spread" data-min="-100" data-max="100" data-step="1" data-value="50"> </div> <div class="ui-slider-btn-set" data-topic="spread" data-type="add"></div> <div class="ui-slider-input" data-topic="spread" data-unit="px"></div> </div> </div> </div> <div id="element_properties" class="c...
...And 13 more matches

<input type="number"> - HTML: Hypertext Markup Language
id="number" type="number" value="42"> additional attributes in addition to the attributes commonly supported by all <input> types, inputs of type number support these attributes: attribute description list the id of the <datalist> element that contains the optional pre-defined autocomplete options max the maximum value to accept for this input min the minimum value to accept for this input placeholder an example value to display inside the field when it's empty readonly a boolean attribute indicating whether the value is read-only step a stepping interval to use when using up and down arrows to adjust the value, as well as for validation list the values of the list attribute is the id of a <da...
... this value must be greater than or equal to the value of the min attribute.
... min the minimum value to accept for this input.
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UI pseudo-classes - Learn web development
:checked, :indeterminate, and :default: respectively target checkboxes and radio buttons that are checked, in an indeterminate state (neither checked or not checked), and the default selected option when the page loads (e.g.
...some points worth bearing in mind: controls with no constraint validation will always be valid, and therefore matched with :valid.
... controls whose current value is outside the range limits specified by the min and max attributes are (matched with) :invalid, but also matched by :out-of-range, as you'll see later on.
...And 12 more matches

Server-side web frameworks - Learn web development
web frameworks provide programming-language-appropriate mechanisms to access this information.
... #best/templates/best/index.html <!doctype html> <html lang="en"> <body> {% if youngest_teams %} <ul> {% for team in youngest_teams %} <li>{{ team.team_name }}</li> {% endfor %} </ul> {% else %} <p>no teams are available.</p> {% endif %} </body> </html> how to select a web framework numerous web frameworks exist for almost every programming language you might want to use (we list a few of the more popular frameworks in the following section).
... some of the factors that may affect your decision are: effort to learn: the effort to learn a web framework depends on how familiar you are with the underlying programming language, the consistency of its api, the quality of its documentation, and the size and activity of its community.
...And 12 more matches

Index - Firefox Developer Tools
you can use them to examine, edit, and debug html, css, and javascript.
... 41 dominators with a garbage-collected language, like javascript, the programmer doesn't generally have to worry about deallocating memory.
... 42 dominators view starting in firefox 46, the memory tool includes a new view called the dominators view.
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grid-template-columns - CSS: Cascading Style Sheets
syntax /* keyword value */ grid-template-columns: none; /* <track-list> values */ grid-template-columns: 100px 1fr; grid-template-columns: [linename] 100px; grid-template-columns: [linename1] 100px [linename2 linename3]; grid-template-columns: minmax(100px, 1fr); grid-template-columns: fit-content(40%); grid-template-columns: repeat(3, 200px); grid-template-columns: subgrid; /* <auto-track-list> values */ grid-template-columns: 200px repeat(auto-fill, 100px) 300px; grid-template-columns: minmax(100px, max-content) repeat(auto-fill, 200px) 20%; grid-template-columns: [linename1] 100px [linename2] ...
...any columns will be implicitly generated and their size will be determined by the grid-auto-columns property.
... the intrinsic size contributions of the track may be adjusted to the size of the grid container and increase the final size of the track by the minimum amount that would result in honoring the percentage.
...And 12 more matches

grid-template-rows - CSS: Cascading Style Sheets
syntax /* keyword value */ grid-template-rows: none; /* <track-list> values */ grid-template-rows: 100px 1fr; grid-template-rows: [linename] 100px; grid-template-rows: [linename1] 100px [linename2 linename3]; grid-template-rows: minmax(100px, 1fr); grid-template-rows: fit-content(40%); grid-template-rows: repeat(3, 200px); grid-template-rows: subgrid; /* <auto-track-list> values */ grid-template-rows: 200px repeat(auto-fill, 100px) 300px; grid-template-rows: minmax(100px, max-content) repeat(auto-fill, 200px) 20%; grid-template-rows: [linename1] 100px [linename2] repeat(auto-fit...
...any rows will be implicitly generated and their size will be determined by the grid-auto-rows property.
... the intrinsic size contributions of the track may be adjusted to the size of the grid container, and increase the final size of the track by the minimum amount that would result in honoring the percentage.
...And 12 more matches

HTML documentation index - HTML: Hypertext Markup Language
5 dash adaptive streaming for html 5 video guide, html, html5 dynamic adaptive streaming over http (dash) is an adaptive streaming protocol.
... 35 x-ms-format-detection attribute, html, html:microsoft extensions, non-standard, reference, x-ms-format-detection the x-ms-format-detection attribute determines whether data formats within the element’s text, like phone numbers, are automatically converted to followable links.
...this value must be greater than or equal to the value of the min attribute.
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HTTP Index - HTTP
24 reason: cors header 'access-control-allow-origin' missing cors, corsmissingalloworigin, cross-origin, error, http, https, messages, reasons, security, console, troubleshooting the response to the cors request is missing the required access-control-allow-origin header, which is used to determine whether or not the resource can be accessed by content operating within the current origin.
...such requests can be useful to validate the content of a cache, and sparing a useless control, to verify the integrity of a document, like when resuming a download, or when preventing to lose updates when uploading or modifying a document on the server.
...(by languages, we mean natural languages, such as english, and not programming languages.) using content negotiation, the server then selects one of the proposals, uses it and informs the client of its choice with the content-language response header.
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Element Positioning - Archive of obsolete content
the position of an element is determined by the layout style of its container.
...the size of an element is determined by two factors, the size that the element wants to be and the size you specify.
... the size that an element wants to be is determined by what is in the element.
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Getting started with Ember - Learn web development
prerequisites: at minimum, it is recommended that you are familiar with the core html, css, and javascript languages, and have knowledge of the terminal/command line.
... introducing ember ember is a component-service framework that focuses on the overall web application development experience, minimizing the trivial differences between applications — all while being a modern and light layer on top of native javascript.
... as you work through this series of tutorials, you'll notice ember's opinions — such as strict naming conventions of component files.
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Places utilities for JavaScript
, string type, nsinavhistoryresultnode container, int index, boolean copy); nsinavhistoryresult getfoldercontents(int afolderid, boolean aexcludeitems, boolean aexpandqueries); boolean showaddbookmarkui(nsiuri auri, string atitle, string adescription, int adefaultinsertionpoint, boolean ashowpicker, boolean aloadinsidebar, string akeyword, string apostdata); boolean showminimaladdbookmarkui(nsiuri auri, string atitle, string adescription, int adefaultinsertionpoint, boolean ashowpicker, boolean aloadinsidebar, string akeyword, string apostdata); boolean showaddlivemarkui(nsiuri afeeduri, nsiuri asiteuri, string atitle, string adescription, int adefaultinsertionpoint, boolean ashowpicker); boolean showminimaladdlivemarkui(nsiuri afeeduri, nsiuri asi...
...teuri, string atitle, string adescription, int adefaultinsertionpoint, boolean ashowpicker); boolean showminimaladdmultibookmarkui(array nsiuri aurilist); boolean showbookmarkproperties(int aid); boolean showfolderproperties(int aid); boolean showaddfolderui(string atitle, int adefaultinsertionpoint, boolean ashowpicker); array object getannotationsforuri(nsiuri auri); array object getannotationsforitem(int aitemid); void setannotationsforuri(nsiuri auri, object aannos); void setannotationsforuri(int aitemid, object aannos); getviewfornode(nsidomnode anode); void markpageastyped(string aurl); void markpageasfollowedbookmark(string aurl); boolean checkurlsecurity(nsinavhistoryresultnode ...
...the all take in the same argument and return a boolean true or false, so i'm just going to list them all in one lump: boolean nodeisfolder(anode) determines whether or not a resultnode is a bookmark folder or not.
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An Overview of XPCOM
the book is presented as a tutorial about creating xpcom components, but it covers all major aspects, concepts, and terminology of the xpcom component model along the way.
... xpcom not only supports component software development, it also provides much of the functionality that a development platform provides, such as: component management file abstraction object message passing memory management we will discuss the above items in detail in the coming chapters, but for now, it can be useful to think of xpcom as a platform for component development, in which features such as those listed above are provided.
... modular, component-based programming makes software easier to develop and maintain and has some well-known advantages: benefit description reuse modular code can be reused in other applications and other contexts.
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Working with data
if the type represents a javascript string (that is, an array of jschar characters followed by a null terminator), a copy of that string is created and returned.
... if the type is an array of 8-bit characters and value is a utf-16 string, the new cdata object is the result of converting the utf-16 string to utf-8, with a null terminator.
... objects can share memory it's important to keep in mind that two (or more) cdata objects can share the same memory block for their contents.
...And 11 more matches

Using the Web Animations API - Web APIs
representing timing properties we’ll also need to create an object of timing properties (an animationeffecttimingproperties object) corresponding to the values in alice’s animation: var alicetiming = { duration: 3000, iterations: infinity } you’ll notice a few differences here from how equivalent values are represented in css: for one, the duration is in milliseconds as opposed to seconds — 3000 n...
... there are a number of small differences between the terminology used in css animations and the terminology used in web animations.
...and instead of timing-function we use easing.
...And 11 more matches

Border-image generator - CSS: Cascading Style Sheets
ass="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> <div class="guideline" data-axis="x" data-topic="slice-right"></div> <div class="guideline" data-axis="y" data-topi...
..."> <div class="ui-input-slider" data-topic="font-size" data-info="em size" data-unit="px" data-value="12" data-sensivity="3"> </div> </div> <div class="property"> <div class="ui-input-slider" data-topic="preview-width" data-info="width" data-unit=" px" data-min="10" data-max="10000" data-sensivity="3"></div> </div> <div class="property"> <div class="ui-input-slider" data-topic="preview-height" data-info="height" data-unit=" px" data-min="10" data-max="10000" data-sensivity="3"> </div> </div> </div> <div id="output" cl...
...ckground-position: center center; } #remote-url { width: 200px; height: 23px; margin: 10px; padding: 0 5px; border: 1px solid #379b4a; border-radius: 2px; float: left; transition: width 0.5s; } #remote-url:focus { box-shadow: 0px 0px 3px -1px #379b4a; /*#68ace8; */ border-color: rgba(55, 155, 74, 0.5); width: 450px; } /* * visible area */ #preview_section { position: relative; min-height: 400px; } /* image control */ #subject { width: 300px; height: 300px; background-repeat: no-repeat; background-size: 100%; background-color: #fff; border: 1px solid #ccc; position: absolute; z-index: 10; top: 15%; left: 10%; box-shadow: 0 0 3px 0 #bababa; transition-property: width, height; transition-duration: 0.1s; } #subject .guideline { background-color: rgba(255, 25...
...And 11 more matches

Audio and Video Delivery - Developer guides
allowing javascript to generate streams facilitates a variety of use cases like adaptive streaming and time shifting live streams.
... adaptive streaming new formats and protocols are being rolled out to facilitate adaptive streaming.
... adaptive streaming media means that the bandwidth and typically quality of the stream can change in real-time in reaction to the user's available bandwidth.
...And 11 more matches

Handling common JavaScript problems - Learn web development
things have improved significantly since then; modern browsers do a good job of supporting "classic javascript features", and the requirement to use such code has diminished as the requirement to support older browsers has lessened (although bear in mind that they have not gone away altogether).
...there are a number of common javascript problems that you will want to be mindful of, such as: basic syntax and logic problems (again, check out troubleshooting javascript).
...what you really want is a linter that will fit into your standard workflow with the minimum of hassle.
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JIT Optimization Strategies
for (var i = 0; i < array.length; i++) { if (array[i] > 100) return true; } when this optimization is successful, property access is eliminated entirely and replaced with an inline constant.
...if a property has always contained the same uniquely-typed object, then the engine can use the unique type to map back to a specific object, and eliminate the property access, replacing it with a constant reference to the object.
... when this optimization is successful, property access is eliminated entirely and replaced with an inline constant.
...And 10 more matches

Shell global objects
lse) noscriptrval use the no-script-rval compiler option (default: false) filename filename for error messages and debug info linenumber starting line number for error messages and debug info columnnumber starting column number for error messages and debug info global global in which to execute the code newcontext if true, create and use a new cx (default: false) catchtermination if true, catch termination (failure without an exception value, as for slow scripts or out-of-memory) and return 'terminated' element if present with value v, convert v to an object o and mark the source as being attached to the dom element o.
... starttimingmutator() start accounting time to mutator vs gc.
... stoptimingmutator() stop accounting time to mutator vs gc and dump the results.
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WebGL best practices - Web APIs
general topics address and eliminate webgl errors your application should run without generating any webgl errors (as returned by geterror).
... take advantage of universally supported webgl 1 extensions these webgl 1 extensions are universally supported: angle_instanced_arrays ext_blend_minmax oes_element_index_uint oes_standard_derivatives oes_vertex_array_object webgl_debug_renderer_info webgl_lose_context (see also: https://jdashg.github.io/misc/webgl/webgl-feature-levels.html) consider polyfilling these into webglrenderingcontext, like: https://github.com/jdashg/misc/blob/master/webgl/webgl-v1.1.js universally supported limits the minimum requirements for webgl are qui...
... getshader/programparameter(), getshader/programinfolog(), other gets on shaders/programs: flush + shader compile + round-trip, if not done after shader compilation is complete.
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Web Video Text Tracks Format (WebVTT) - Web APIs
inner structure of a webvtt file let's re-examine one of our previous examples, and look at the cue structure in a bit more detail.
... it is important to not use "extra" blank lines within a cue, for example between the timings line and the cue payload.
... crédit de transcription 00:04.000 --> 00:05.000 transcrit par célestes™ ::cue(#\31) { color: lime; } ::cue(#crédit\ de\ transcription) { color: red; } positioning of text tracks is also supported, by including positioning information after the timings in a cue, as seen below (see cue settings for more information): webvtt 00:00:00.000 --> 00:00:04.000 position:10%,line-left align:left size:35% where did he go?
...And 10 more matches

Geometry and reference spaces in WebXR - Web APIs
fundamentals of 3d geometry while we'll examine here the required math operations used to compute the positions, orientations, and movement of objects in virtual space—plus the need to integrate the human viewer of the scene into the mix—a thorough introduction to geometry and the use of matrices and vectors to manage 3d representations of a scene is well beyond the scope of what can be accomplished in this article.
...each of the three axes has a minimum value of -1.0 and a maximum of 1.0, with the center of the cube located at (0, 0, 0).
... const radians_per_degree = math.pi / 180.0; let degreestoradians = (deg) => deg * radians_per_degree; let radianstodegrees = (rad) => rad / radians_per_degree; times and durations note that for security reasons, domhighrestimestamp usually introduces a small amount of imprecision to the clock in order to prevent it from being used in fingerprinting and timing-based attacks.
...And 10 more matches

attr() - CSS: Cascading Style Sheets
0, or, if 0 is not a valid value for the property, the property's minimum value.
... 0, or, if 0 is not a valid value for the property, the property's minimum value.
... 0, or, if 0 is not a valid value for the property, the property's minimum value.
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Event reference
complete the rendering of an offlineaudiocontext is terminated.
... stalled the user agent is trying to fetch media data, but data is unexpectedly not forthcoming.
... progress events event name fired when abort progression has been terminated (not due to an error).
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Proxy Auto-Configuration (PAC) file - HTTP
a proxy auto-configuration (pac) file is a javascript function that determines whether web browser requests (http, https, and ftp) go directly to the destination or are forwarded to a web proxy server.
... the browser will automatically retry a previously unresponsive proxy after 30 minutes.
... additional attempts will continue beginning at one hour, always adding 30 minutes to the elapsed time between attempts.
...And 10 more matches

Using Promises - JavaScript
w would lead to the classic callback pyramid of doom: dosomething(function(result) { dosomethingelse(result, function(newresult) { dothirdthing(newresult, function(finalresult) { console.log('got the final result: ' + finalresult); }, failurecallback); }, failurecallback); }, failurecallback); with modern functions, we attach our callbacks to the returned promises instead, forming a promise chain: dosomething() .then(function(result) { return dosomethingelse(result); }) .then(function(newresult) { return dothirdthing(newresult); }) .then(function(finalresult) { console.log('got the final result: ' + finalresult); }) .catch(failurecallback); the arguments to then are optional, and catch(failurecallback) is short for then(null, failurecallback).
...this is very much modeled after how synchronous code works: try { const result = syncdosomething(); const newresult = syncdosomethingelse(result); const finalresult = syncdothirdthing(newresult); console.log(`got the final result: ${finalresult}`); } catch(error) { failurecallback(error); } this symmetry with asynchronous code culminates in the async/await syntactic sugar in ecmascript 2017: async function foo() { try { const result = await dosomething(); const newresult = await dosomethingelse(result); const finalresult = await dothirdthing(newresult); console.log(`got the final result: ${finalresult}`); } catch(error) { failurecallback(error); } } it builds on promises, e.g.
... promises solve a fundamental flaw with the callback pyramid of doom, by catching all errors, even thrown exceptions and programming errors.
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Lexical grammar - JavaScript
the source text of ecmascript scripts gets scanned from left to right and is converted into a sequence of input elements which are tokens, control characters, line terminators, comments or white space.
...minification tools are often used to remove whitespace in order to reduce the amount of data that needs to be transferred.
... \f u+0020 space <sp> normal space u+00a0 no-break space <nbsp> normal space, but no point at which a line may break others other unicode space characters <usp> spaces in unicode on wikipedia line terminators in addition to white space characters, line terminator characters are used to improve the readability of the source text.
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Populating the page: how browsers work - Web Performance
web performance can be improved by understanding the single-threaded nature of the browser and minimizing the main thread's responsibilities, where possible and appropriate, to ensure rendering is smooth and responses to interactions are immediate.
... one of the goals of web performance is to minimize the amount of time a navigation takes to complete.
...this handshake, or rather the tls negotiation, determines which cipher will be used to encrypt the communication, verifies the server, and establishes that a secure connection is in place before beginning the actual transfer of data.
...And 10 more matches

Web Performance
it is important to minimize the loading and response times and add additional features to conceal latency by making the experience as available and interactive as possible, as soon as possible, while asynchronously loading in the longer tail parts of the experience.
... navigation and resource timingsnavigation timings are metrics measuring a browser's document navigation events.
... resource timings are detailed network timing measurements regarding the loading of an application's resources.optimizing startup performanceregardless of platform, it's always a good idea to start up as quickly as possible.
...And 10 more matches

MCD, Mission Control Desktop, AKA AutoConfig - Archive of obsolete content
please contact your system administrator.
... my tests were on windows vista, and i noticed at least one difference, it is that paths changed; now the profile is in (for my procacci user sample): c:\users\procacci\appdata\roaming\thunderbird\profiles\v6we4uku.default start in debug mode in comand line interface: debug with displayerror() here's the result, i used the displayerror() method ( not the best way :-( see bug 206294 ) to show environment and ldap variables in order to check that it worked fine.
...please contact your system administrator.
...And 9 more matches

jspage - Archive of obsolete content
ilter($defined); },indexof:function(c,d){var a=this.length;for(var b=(d<0)?math.max(0,a+d):d||0;b<a;b++){if(this[b]===c){return b;}}return -1;},map:function(d,e){var c=[]; for(var b=0,a=this.length;b<a;b++){c[b]=d.call(e,this[b],b,this);}return c;},some:function(c,d){for(var b=0,a=this.length;b<a;b++){if(c.call(d,this[b],b,this)){return true; }}return false;},associate:function(c){var d={},b=math.min(this.length,c.length);for(var a=0;a<b;a++){d[c[a]]=this[a];}return d;},link:function(c){var a={}; for(var e=0,b=this.length;e<b;e++){for(var d in c){if(c[d](this[e])){a[d]=this[e];delete c[d];break;}}}return a;},contains:function(a,b){return this.indexof(a,b)!=-1; },extend:function(c){for(var b=0,a=c.length;b<a;b++){this.push(c[b]);}return this;},getlast:function(){return(this.length)?this[this.l...
...bind:b,arguments:a}); },bindwithevent:function(b,a){return this.create({bind:b,arguments:a,event:true});},attempt:function(a,b){return this.create({bind:b,arguments:a,attempt:true})(); },delay:function(b,c,a){return this.create({bind:c,arguments:a,delay:b})();},periodical:function(c,b,a){return this.create({bind:b,arguments:a,periodical:c})(); }});number.implement({limit:function(b,a){return math.min(a,math.max(b,this));},round:function(a){a=math.pow(10,a||0);return math.round(this*a)/a;},times:function(b,c){for(var a=0; a<this;a++){b.call(c,a,this);}},tofloat:function(){return parsefloat(this);},toint:function(a){return parseint(this,a||10);}});number.alias("times","each"); (function(b){var a={};b.each(function(c){if(!number[c]){a[c]=function(){return math[c].apply(null,[this].concat($a(argu...
...ments)));};}});number.implement(a); })(["abs","acos","asin","atan","atan2","ceil","cos","exp","floor","log","max","min","pow","sin","sqrt","tan"]);string.implement({test:function(a,b){return((typeof a=="string")?new regexp(a,b):a).test(this); },contains:function(a,b){return(b)?(b+this+b).indexof(b+a+b)>-1:this.indexof(a)>-1;},trim:function(){return this.replace(/^\s+|\s+$/g,"");},clean:function(){return this.replace(/\s+/g," ").trim(); },camelcase:function(){return this.replace(/-\d/g,function(a){return a.charat(1).touppercase();});},hyphenate:function(){return this.replace(/[a-z]/g,function(a){return("-"+a.charat(0).tolowercase()); });},capitalize:function(){return this.replace(/\b[a-z]/g,function(a){return a.touppercase();});},escaperegexp:function(){return this.replace(/([-.*+?^${}()|[\]\/...
...And 9 more matches

Tree View Details - Archive of obsolete content
creating a hierarchical custom view in the last section, we created a simple tree view that implemented only a minimum amount of functionality.
...here, we will examine how to create a hierarchical set of items using the view.
...the tree will use this information to determine the hierarchical structure of the rows.
...And 9 more matches

timepicker - Archive of obsolete content
it contains three fields to enter the hour, minute and second.
...in addition, the hour, minute and second properties may be used to retrieve and modify each component of the time separately.
... attributes disabled, hideseconds, increment, readonly, tabindex, value properties amindicator, datevalue, disabled, hideseconds, hour, hourleadingzero, increment, is24hourclock, ispm, minute, minuteleadingzero, pmindicator, readonly, second, secondleadingzero, tabindex, value examples <timepicker value="12:05"/> attributes disabled type: boolean indicates whether the element is disabled or not.
...And 9 more matches

Getting started with Svelte - Learn web development
prerequisites: at minimum, it is recommended that you are familiar with the core html, css, and javascript languages, and have knowledge of the terminal/command line.
... svelte is a compiler that generates minimal and highly optimized javascript code from our sources; you'll need a terminal with node + npm installed to compile and build your app.
...it should take you about 30 minutes to complete.
...And 9 more matches

Introduction to automated testing - Learn web development
previous overview: cross browser testing next manually running tests on several browsers and devices, several times per day, can get tedious, and time-consuming.
...this is a great way to perform tasks like linting and minifying code, adding in css prefixes or transpiling nascent javascript features for maximum cross-browser reach, and so on.
... using a task runner to automate testing tools as we said above, you can drastically speed up common tasks such as linting and minifying code by using a task runner to run everything you need to run automatically at a certain point in your build process.
...And 9 more matches

Introducing a complete toolchain - Learn web development
introducing our case study the toolchain that we are creating in this article will be used to build and deploy a mini site that lists data (taken from one of nasa's open apis) concerning potentially hazardous space objects that threaten our existence on earth!
... parcel to build and minify our code, and to write a bunch of configuration file content automatically for us.
...we will however be avoiding any superfluous tooling, with the aim of keeping complexity to a minimum.
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nsIIOService
these are provided as a convenience to the programmer and in some cases to improve performance by eliminating intermediate data structures and interfaces.
...if possible, pass in the element which is performing the load.
... but if the load is coming from a js api (such as xmlhttprequest) or if the load might be coalesced across multiple elements (such as for ) then pass in the document node instead.
...And 9 more matches

Color picker tool - CSS: Cascading Style Sheets
lor info box */ #color-info { width: 360px; float: left; } #color-info .title { width: 100%; padding: 15px; font-size: 18px; text-align: center; background-image: url('https://mdn.mozillademos.org/files/6071/color-wheel.png'); background-repeat:no-repeat; background-position: center left 30%; } #color-info .copy-container { position: absolute; top: -100%; } #color-info .property { min-width: 280px; height: 30px; margin: 10px 0; text-align: center; line-height: 30px; } #color-info .property > * { float: left; } #color-info .property .type { width: 60px; height: 100%; padding: 0 16px 0 0; text-align: right; } #color-info .property .value { width: 200px; height: 100%; padding: 0 10px; font-family: "segoe ui", arial, helvetica, sans-serif; font-size: 16px; color:...
...over.png');*/ background-position: bottom left; } #color-palette .controls .lock[locked-state='true'] { /*background-image: url('images/locked.png');*/ background-position: top left ; } #color-palette .controls .lock[locked-state='true']:hover { /*background-image: url('images/lock-hover.png');*/ background-position: top right; } /** * canvas */ #canvas { width: 100%; height: 300px; min-height: 250px; border-top: 1px solid #ddd; background-image: url('https://mdn.mozillademos.org/files/6025/grain.png'); background-repeat: repeat; position: relative; float: left; } #canvas[data-tutorial='drop'] { text-align: center; font-size: 30px; color: #777; } #canvas[data-tutorial='drop']:before { content: "drop colors here to compare"; width: 40%; padding: 30px 9% 70px 11%; b...
...r modify"; width: 40%; font-size: 24px; position: absolute; top: 130px; left: 32%; z-index: 2; } #canvas [data-tutorial='dblclick'] { background-color: #999 !important; } #canvas [data-tutorial='dblclick']:before { content: "double click to activate"; width: 80px; color: #fff; position: absolute; top: 10%; left: 20%; z-index: 2; } #canvas .sample { width: 100px; height: 100px; min-width: 20px; min-height: 20px; position: absolute; border: 1px solid rgba(255, 255, 255, 0.3); } #canvas .sample:hover { cursor: move; } #canvas .sample[data-active='true']:after { content: ""; position: absolute; background: url('https://mdn.mozillademos.org/files/6065/arrow.png') center no-repeat; width: 100%; height: 12px; top: -12px; z-index: 2; } #canvas .sample:hover > * { cu...
...And 9 more matches

Controlling Ratios of Flex Items Along the Main Axis - CSS: Cascading Style Sheets
there is a concept in css of min-content and max-content — these keywords are defined in the css intrinsic and extrinsic sizing specification, and can be used in place of a length unit.
...the first paragraph has a width of min-content.
... in a browser that supports this keyword you should be able to see that the text has taken all of the soft wrapping opportunities available to it, becoming as small as it can be without overflowing.
...And 9 more matches

grid-auto-columns - CSS: Cascading Style Sheets
syntax /* keyword values */ grid-auto-columns: min-content; grid-auto-columns: max-content; grid-auto-columns: auto; /* <length> values */ grid-auto-columns: 100px; grid-auto-columns: 20cm; grid-auto-columns: 50vmax; /* <percentage> values */ grid-auto-columns: 10%; grid-auto-columns: 33.3%; /* <flex> values */ grid-auto-columns: 0.5fr; grid-auto-columns: 3fr; /* minmax() values */ grid-auto-columns: minmax(100px, auto); grid-auto-columns: mi...
...nmax(max-content, 2fr); grid-auto-columns: minmax(20%, 80vmax); /* fit-content() values */ grid-auto-columns: fit-content(400px); grid-auto-columns: fit-content(5cm); grid-auto-columns: fit-content(20%); /* multiple track-size values */ grid-auto-columns: min-content max-content auto; grid-auto-columns: 100px 150px 390px; grid-auto-columns: 10% 33.3%; grid-auto-columns: 0.5fr 3fr 1fr; grid-auto-columns: minmax(100px, auto) minmax(max-content, 2fr) minmax(20%, 80vmax); grid-auto-columns: 100px minmax(100px, auto) 10% 0.5fr fit-content(400px); /* global values */ grid-auto-columns: inherit; grid-auto-columns: initial; grid-auto-columns: unset; values <length> is a non-negative length.
... when appearing outside a minmax() notation, it implies an automatic minimum (i.e.
...And 9 more matches

The HTML autocomplete attribute - HTML: Hypertext Markup Language
this can be multiple lines of text, and should fully identify the location of the address within its second administrative level (typically a city or town), but should not include the city name, zip or postal code, or country name.
... "address-level4" the finest-grained administrative level, in addresses which have four levels.
... "address-level3" the third administrative level, in addresses with at least three administrative levels.
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<body>: The Document Body element - HTML: Hypertext Markup Language
this method is non-conforming, use css color property in conjunction with the :active pseudo-class instead.
...this method is non-conforming, use css background property on the element instead.
...this method is non-conforming, use css background-color property on the element instead.
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<meter>: The HTML Meter element - HTML: Hypertext Markup Language
this must be between the minimum and maximum values (min attribute and max attribute) if they are specified.
...if specified, but not within the range given by the min attribute and max attribute, the value is equal to the nearest end of the range.
... note: unless the value attribute is between 0 and 1 (inclusive), the min and max attributes should define the range so that the value attribute's value is within it.
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Loops and iteration - JavaScript
(note that it's possible that number could be zero!) the various loop mechanisms offer different ways to determine the start and end points of the loop.
...if the value of condition is false, the for loop terminates.
...therefore, x and n take on the following values: after the first pass: n = 1 and x = 1 after the second pass: n = 2 and x = 3 after the third pass: n = 3 and x = 6 after completing the third pass, the condition n < 3 is no longer true, so the loop terminates.
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Chapter 5: Let's build a Firefox extension - Archive of obsolete content
install the dom inspector the dom inspector is an extension that lets you examine html and xul dom tree structures, javascript objects and css properties, etc.
...if you keep in mind the following three points at the very least, the next section, developing a simple extension, should help flesh out your understanding.
... developing a simple extension: hello world in this section, we will write an extremely simple “hello world” extension that only displays the time.3 phase 1: test install our first step will be to perform a test installation consisting of the minimum code needed to add a new menu item to the tools menu (figure 3).
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Microsummary XML grammar reference - Archive of obsolete content
when a generator is examined to determine whether or not it is able to summarize a page, the regular expressions provided by the child elements are evaluated against the url of the page.
...attributes: interval (optional) an absolute interval of time, in minutes, that must elapse between updates.
... child elements: <condition> (optional) an xpath boolean expression along with a conditional interval of time, in minutes, that must elapse between updates if the expression evaluates to true.
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Learn XPI Installer Scripting by Example - Archive of obsolete content
most installation scripts, including the one discussed here, take the following basic form (in pseudo-code and with links to the sections in which these installation steps are documented): initinstall(); if (verify_space()) { err = add_dirs_and_files; register_files; if (err==success) { performinstall() }; else { cancelinstall() }; } as you can see in the code listing, the verification process at the top is on lines 1 to 18; the file addition process, here part of the main installation block, is on lines 24 to 41; the registration part of the main installation block is on lines 42-58; and the execution at the end of the main block is on lines 59 to 71.
... if you choose not to register the installed software or do the verifications at the front end of the installation, then at a minimum, the install scripts mustinitialize, add the files to be installed, and execute.
... note also that when you call methods on the install--as you do so often in installation scripts (getfolder, initinstall, addfile, and performinstall are all examples of common install object methods)--the install object is implicit; like the window object in regular web page scripts, the install object does not need to be prefixed to the method.
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Progress Meters - Archive of obsolete content
you typically see it when downloading files or when performing a lengthy operation.
...there are two types of progress meters: determinate and indeterminate.
... determinate progress meters are used when you know the length of time that an operation will take.
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Audio for Web games - Game development
this is usually mitigated against by loading the audio in advance and priming it on a user-initiated event.
...for other more active sounds that are to be used during the game we could consider priming them as soon as something like a start button is pressed.
... the htmlmediaelement interface comes with lots of properties to help determine whether a track is in a state to be playable.
...And 8 more matches

JavaScript basics - Learn web development
previous overview: getting started with the web next javascript is a programming language that adds interactivity to your website.
... javascript ("js" for short) is a full-fledged dynamic programming language that can add interactivity to a website.
...developers have written a variety of tools on top of the core javascript language, unlocking a vast amount of functionality with minimum effort.
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Tips for authoring fast-loading HTML pages - Learn web development
reducing page weight through the elimination of unnecessary whitespace and comments, commonly known as minimization, and by moving inline script and css into external files, can improve download performance with minimal need for other changes in the page structure.
... minimize the number of files reducing the number of files referenced in a web page lowers the number of http connections required to download a page, thereby reducing the time for these requests to be sent, and for their responses to be received.
... this may not always be practical; however, you should always take care to use only the minimum necessary number of different domains in your pages.
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Aprender y obtener ayuda - Learn web development
you let your mind wander more widely, and seemingly make random connections between different things.
...but then after going on a walk to get some fresh air, you may well find that as your mind wanders, you suddenly make a connection between tool a and tool b, and realize that you can use them together to fix problem c!
... interactive code playgrounds you might be the kind of person that prefers minimal instructions and would prefer to jump straight in and start playing with code.
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Introduction to NSPR
the netscape portable runtime (nspr) api allows compliant applications to use system facilities such as threads, thread synchronization, i/o, interval timing, atomic operations, and several other low-level services in a platform-independent manner.
... this chapter introduces key nspr programming concepts and illustrates them with sample code.
... nspr naming conventions naming of nspr types, functions, and macros follows the following conventions: types exported by nspr begin with pr and are followed by intercap-style declarations, like this: print, prfiledesc function definitions begin with pr_ and are followed by intercap-style declarations, like this: pr_read, pr_jointhread preprocessor macros begin with the letters pr and are followed by all uppercase characters separated with the underscore character (_), like this: pr_bytes_per_s...
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nss tech note1
this was written to be a generic decoder, that includes both der (distinguished encoding rules) and ber (basic encoding rules).† it handles both streaming and non-streaming input.
...it can only decode der .† it does not handle streaming input, and requires that all input be present before beginning to decode.
... the main non-streaming apis for these two decoders have an identical prototype : secstatus sec_asn1decodeitem(prarenapool *pool, void *dest, const sec_asn1template *t, secitem *item); secstatus sec_quickderdecodeitem(prarenapool* arena, void* dest, const sec_asn1template* templateentry, secitem* src); here is a description of the arguments : secitem* src† is a structure containing a pointer to the binary data to be decoded, as wel...
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Python binding for NSS
for example it is already known there are some naming inconsistencies.
...ssl.tls_aes_128_gcm_sha256 ssl.tls_aes_256_gcm_sha384 ssl.tls_chacha20_poly1305_sha256 release 1.0.0 release date 2016-09-01 scm tag pynss_release_1_0_0 source download https://ftp.mozilla.org/pub/mozilla.org/security/python-nss/releases/pynss_release_1_0_0/src/ change log official 1.0.0 release, only minor tweaks from the 1.0.0beta1 release.
...a single code base supports both py2 (minimum version 2.7) and py3 when built for py2: text will be a unicode object binary data will be a str object ints will be python long object when built for py3: text will be a str object binary data will be a bytes object ints will be a python int object all pure python tests and examples have be...
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mozIThirdPartyUtil
netwerk/base/public/mozithirdpartyutil.idlscriptable utility functions for determining whether a given uri, channel, or window hierarchy is third party with respect to a known uri.
...o 2.0 inherits from: nsisupports last changed in gecko 2.0 (firefox 4 / thunderbird 3.3 / seamonkey 2.1) method overview boolean isthirdpartychannel(in nsichannel achannel, [optional] in nsiuri auri); boolean isthirdpartyuri(in nsiuri afirsturi, in nsiuri aseconduri); boolean isthirdpartywindow(in nsidomwindow awindow, [optional] in nsiuri auri); methods isthirdpartychannel() determine whether the given channel and its content window hierarchy is third party.
...otherwise, find the uri of the channel, determine whether it is foreign with respect to auri, and return.
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nsIHttpChannelInternal
66 introduced gecko 1.0 inherits from: nsisupports last changed in gecko 6.0 (firefox 6.0 / thunderbird 6.0 / seamonkey 2.3) method overview void getrequestversion(out unsigned long major, out unsigned long minor); void getresponseversion(out unsigned long major, out unsigned long minor); void httpupgrade(in acstring aprotocolname, in nsihttpupgradelistener alistener); void setcookie(in string acookieheader); void setupfallbackchannel(in string afallbackkey); attributes attribute type description canceled boolean returns true if and only if the channel has been canceled.
...this may throw an ns_error_not_available exception if accessed when the channel's endpoints haven't been determined yet, or any time the nsihttpactivityobserver.isactive attribute is false.
...this may throw an ns_error_not_available exception if accessed when the channel's endpoints haven't been determined yet, or any time the nsihttpactivityobserver.isactive attribute is false.
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Mail composition back end
this will change in the coming weeks and allow for developers to write javascript to take advantage of the back end services.
...this will be needed to determine the appropriate folder for copy operations.
... (it's a minor difference.) prbool dont_deliver_p, - if "dont_deliver_p" is false, then we actually deliver the message to the smtp and/or nntp server nsmsgdelivermode mode, - mode is the delivery mode.
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Version, UI, and Status Information - Plugins
to do so, it must find the major and minor version numbers, which are determined when the plug-in and navigator are compiled, and compare them.
... the browser and plug-in api major version numbers represent code release numbers, and their minor version numbers represent point release numbers.
...changes to the minor version numbers indicate a smaller difference than changes to the major version.
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HTMLInputElement - Web APIs
<div id="interfacediagram" style="display: inline-block; position: relative; width: 100%; padding-bottom: 20%; vertical-align: middle; overflow: hidden;"><svg style="display: inline-block; position: absolute; top: 0; left: 0;" viewbox="-50 0 600 120" 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...
... indeterminate boolean: returns whether the checkbox or radio button is in indeterminate state.
... for checkboxes, the effect is that the appearance of the checkbox is obscured/greyed in some way as to indicate its state is indeterminate (not checked but not unchecked).
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Performance - Web APIs
it's part of the high resolution time api, but is enhanced by the performance timeline api, the navigation timing api, the user timing api, and the resource timing api.
... performance.navigation read only a legacy performancenavigation object that provides useful context about the operations included in the times listed in timing, including whether the page was a load or a refresh, how many redirections occurred, and so forth.
... performance.timing read only a legacy performancetiming object containing latency-related performance information.
...And 8 more matches

Pointer events - Web APIs
terminology active buttons state the condition when a pointer has a non-zero value for the buttons property.
... hit test the process the browser uses to determine a target element for a pointer event.
... typically, this is determined by considering the pointer's location and also the visual layout of elements in a document on screen media.
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Rendering and the WebXR frame animation callback - Web APIs
refresh rate and frame rate assuming you've called the xrsession method requestanimationframe() since the last time the screen refreshed, the browser will call your frame renderer callback every time it's ready to repaint your app or site window.
...this is due to early displays using the ac electrical grid's current flow waveform, which cycles 60 times per second in the united states (50 in europe), for timing purposes.
... that distance (or whatever pupillary distance the xr system is configured to use) is enouigh to allow our minds to see just enough difference due to retinal disparity (the difference in what each retina sees) and the parallax effect to allow our brains to calculate the distance to and depth of objects, thus enabling us to percieve three dimensions despite our retinas only being 2d surfaces.
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Background audio processing using AudioWorklet - Web APIs
create module that defines a audio worklet processor class, based on audioworkletprocessor which takes audio from one or more incoming sources, performs its operation on the data, and outputs the resulting audio data.
... the audio processor class must implement a process() method, which receives incoming audio data and writes back out the data as manipulated by the processor.
...by specification, each block of audio your process() function receives contains 128 frames (that is, 128 samples for each channel), but it is planned that this value will change in the future, and may in fact vary depending on circumstances, so you should always check the array's length rather than assuming a particular size.
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ARIA Test Cases - Accessibility
this must be done in order to determine where to file a bug (browser or at).
...however, where things don't work we may test with nightly builds if they are available, in order to show what is already fixed in upcoming releases.
... markup used: role="progressbar", aria-valuemin, aria-valuenow, aria-valuemax notes: results: at firefox ie opera safari jaws 9 - - n/a n/a jaws 10 - - - - voiceover (leopard) n/a n/a - fail window-eyes - - - - nvda - n/a - - zoom (leopard) pass n/a pass pass zoomtext - - - ...
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Date and time formats used in HTML - HTML: Hypertext Markup Language
examples of valid date strings date string full date 1993-11-01 november 1, 1993 1066-10-14 october 14, 1066 0571-04-22 april 22, 571 0062-02-05 february 5, 62 time strings a time string can specify a time with precision to the minute, second, or to the millisecond.
... specifying only the hour or minute isn't permitted.
... a valid time string minimally consists of a two-digit hour followed by a colon (":", u+003a), then a two-digit minute.
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<input type="date"> - HTML: Hypertext Markup Language
additional attributes along with the attributes common to all <input> elements, date inputs have the following attributes: attribute description max the latest acceptable date min the earliest acceptable date step the stepping interval, when clicking up and down spinner buttons and validating the date max the latest date to accept.
... if both the max and min attributes are set, this value must be a date string later than or equal to the one in the min attribute.
... min the earliest date to accept.
...And 8 more matches

<input type="month"> - HTML: Hypertext Markup Language
month"]'); monthcontrol.value = '1978-06'; additional attributes in addition to the attributes common to <input> elements, month inputs offer the following attributes: attribute description list the id of the <datalist> element that contains the optional pre-defined autocomplete options max the latest year and month to accept as a valid input min the earliest year and month to accept as a valid input readonly a boolean which, if present, indicates that the input's value can't be edited step a stepping interval to use when incrementing and decrementing the value of the input field list the values of the list attribute is the id of a <datalist> element located in the same document.
... this value must specify a year-month pairing later than or equal to the one specified by the min attribute.
... min the latest year and month to accept, in the same "yyyy-mm" format described above.
...And 8 more matches

<input type="password"> - HTML: Hypertext Markup Language
value a domstring representing a password, or empty events change and input supported common attributes autocomplete, inputmode, maxlength, minlength, pattern, placeholder, readonly, required, and size idl attributes selectionstart, selectionend, selectiondirection, and value methods select(), setrangetext(), and setselectionrange() value the value attribute contains a domstring whose value is the current contents of the text editing control being used to enter the password.
... additional attributes in addition to the attributes that operate on all <input> elements regardless of their type, password field inputs support the following attributes: attribute description maxlength the maximum length the value may be, in utf-16 characters minlength the minimum length in characters that will be considered valid pattern a regular expression the value must match in order to be valid placeholder an example value to display in the field when the field is empty readonly a boolean attribute which, if present, indicates that the field's contents should not be editable size the number of chara...
...this value must also be greater than or equal to the value of minlength.
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<input type="url"> - HTML: Hypertext Markup Language
value a domstring representing a url, or empty events change and input supported common attributes autocomplete, list, maxlength, minlength, pattern, placeholder, readonly, required and size idl attributes list, value, selectionend, selectiondirection methods select(), setrangetext() and setselectionrange().
... value the <input> element's value attribute contains a domstring which is automatically validated as conforming to url syntax.
... additional attributes in addition to the attributes that operate on all <input> elements regardless of their type, url inputs support the following attributes: attribute description list the id of the <datalist> element that contains the optional pre-defined autocomplete options maxlength the maximum number of characters the input should accept minlength the minimum number of characters long the input can be and still be considered valid pattern a regular expression the input's contents must match in order to be valid placeholder an exemplar value to display in the input field whenever it is empty readonly a boolean attribute indicating whether or not the contents of the input should be read-only ...
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<input type="week"> - HTML: Hypertext Markup Language
ascript using the input element's value property, for example: var weekcontrol = document.queryselector('input[type="week"]'); weekcontrol.value = '2017-w45'; additional attributes in addition to the attributes common to <input> elements, week inputs offer the following attributes: attribute description max the latest year and week to accept as valid input min the earliest year and week to accept as valid input readonly a boolean which, if present, indicates that the user cannot edit the field's contents step the stepping interval (the distance between allowed values) to use for both user interface and constraint validation max the latest (time-wise) year and week number, in the string format discussed in the value se...
... this value must be greater than or equal to the year and week specified by the min attribute.
... min the earliest year and week to accept.
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A re-introduction to JavaScript (JS tutorial) - JavaScript
because javascript is notorious for being the world's most misunderstood programming language.
... unlike most programming languages, the javascript language has no concept of input or output.
...javascript supports object-oriented programming with object prototypes, instead of classes (see more about prototypical inheritance and es2015 classes).
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Chapter 4: Using XPCOM—Implementing advanced processes - Archive of obsolete content
each component is identified with a contract id in the form @domain_name/module_name/component_name;version_number, and implements one or more interfaces that determine what functions can be called on these components.
...on windows vista, it will be located at c:\users\username\appdata\roaming\mozilla\firefox\profiles\random number.default\ ; on windows xp or 2000, it will be c:\documents and settings\username\application data\mozilla\firefox\profiles\random number.default\ ; on linux, it will be ~/.mozilla/firefox/random number.default/ ; on mac os x, it will be ~/library/application support/firefox/profiles/random number.default/ in the interests of security, delete these lines fro...
... table 1: methods for checking file states method name description nsilocalfile.exists() determines whether or not the file exists.
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The Box Model - Archive of obsolete content
this is the system that determines how all elements are laid out visually in a xul document.
...the default value for most elements is 0, which means that the element will not stretch in the direction of its orientation, and its size in that dimension will be determined by its contents and padding.
...if one of the buttons has a very long label that restricts its minimum size, then it could be the label determining its size, while the other button would flex taking the rest of the room.
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MMgc - Archive of obsolete content
the garbage collector is "managing" it, detecting when the memory is no longer reachable from anywhere in the application and reclaiming it at that time.
...it differs from a destructor in that it is usually called nondeterministically, i.e.
...it's best to avoid finalizers if you can, since finalization behavior can be unpredictable and nondeterministic, and also slows down the gc since the finalizers need to be invoked.
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Using XPInstall to Install Plugins - Archive of obsolete content
you can create an xpinstall file by first zipping all the items you want installed with winzip (create a zip archive) and then renaming it with the xpi file extension instead of the zip file extension.
... unlike native code installers (for example, files called setup.exe), the programming language for install operations in xpi is javascript.
...downloads and installs would be initiated with a security dialog box naming the certificate authority and the signer.
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The Implementation of the Application Object Model - Archive of obsolete content
a site admin could add new bookmarks to the file, and then the user would pick them up.
...if we ship a browser that does not have 100% support for css2, for example, but we've extended html by adding 20-30 new tags, people are going to put down their blinders and see only the fact that we were off adding a whole slew of new stuff to html when we could have been firming up our standards story.
... timing.
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Beginner's guide to media queries - Learn web development
width and height the feature we tend to detect most often in order to create responsive designs (and that has widespread browser support) is viewport width, and we can apply css if the viewport is above or below a certain width — or an exact width — using the min-width, max-width, and width media features.
... the width (and height) media features can be used as ranges, and therefore be prefixed with min- or max- to indicate that the given value is a minimum, or a maximum.
... in practice, using minimum or maximum values is much more useful for responsive design so you will rarely see width or height used alone.
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Advanced text formatting - Learn web development
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%"> bacon the glue that binds the world together.
... turn "the need to eliminate negative self talk" in the third paragraph into an inline quote, and include a cite attribute.
... the citation sources you need are: http://www.brainyquote.com/quotes/authors/c/confucius.html for the confucius quote http://www.affirmationsforpositivethinking.com for "the need to eliminate negative self talk".
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HTML text fundamentals - Learn web development
you just need to bear in mind a few best practices as you create such structures: preferably, you should use a single <h1> per page—this is the top level heading, and all others sit below this in the hierarchy.
... 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.
... 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%">milk eggs bread hummus</textarea> <div class="playable-buttons"> <input id="reset" type="button" value="reset"> <input id="solution" type="button" value="show solution">...
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Video and Audio APIs - Learn web development
you can solve both these problems by hiding the native controls (by removing the controls attribute), and programming your own with html, css, and javascript.
...you'll see a number of features; the html is dominated by the video player and its controls: <div class="player"> <video controls> <source src="video/sintel-short.mp4" type="video/mp4"> <source src="video/sintel-short.webm" type="video/webm"> <!-- fallback content here --> </video> <div class="controls"> <button class="play" data-icon="p" aria-label="play pause toggle"></button> <button class="stop" data-icon="s" aria-l...
...just for fun, we are providing two reporting mechanisms — a <span> containing the elapsed time in minutes and seconds, and an extra <div> that we will use to create a horizontal indicator bar that gets longer as the time elapses.
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A first splash into JavaScript - Learn web development
you won't be expected to understand all of the code in detail immediately — we just want to introduce you to the high-level concepts for now, and give you an idea of how javascript (and other programming languages) work.
... note: many of the code features you'll see in javascript are the same as in other programming languages — functions, loops, etc.
... thinking like a programmer one of the hardest things to learn in programming is not the syntax you need to learn, but how to apply it to solve real world problems.
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TypeScript support in Svelte - Learn web development
prerequisites: at minimum, it is recommended that you are familiar with the core html, css, and javascript languages, and have knowledge of the terminal/command line.
... you'll need a terminal with node + npm installed to compile and build your app.
...in the following sections we hope to give you more evidence to make up your mind about it.
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How Mozilla's build system works
the contents below will explain the basic concepts and terminology of the build system and how to do common tasks such as compiling components and creating jar files.
... the primary job of configure is to determine characteristics of the system and compiler, apply options passed into it, and validate everything looks ok to build.
... phase 2: build backend preparation and the build definition once configure has determined what the current build configuration is, we need to apply this to the source tree so we can actually build.
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Localization and Plurals
this plural rule is used to determine how many plural forms are needed for each word that needs to be localized, with plurals in mind.
... pluralrule=2 seconds=seconde;secondes minutes=minute;minutes hours=heure;heures days=jour;jours like many other times when localizing words, gender agreement might force you to rearrange words in a way that the gender is always the same.
... pluralrule=0 seconds=秒 minutes=分 hours=時 days=日 polish there's a singular form for 1, a plural form for 2-4, and another for 5-21 at which point 22 is the same as 2.
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Mozilla Development Strategies
but keep in mind that your checkin rate isn't everything.
... it's better to fix one data loss bug, crasher, or performance bug that really affects the user than edge case bugs that are rarely seen or minor bugs.
...even if you're not comfortable with your writing skills, keep in mind that our helpful, happy documentation gnomes will follow along behind you and clean up for you.
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An overview of NSS Internals
nss is a library written in the c programming language.
...in order to support multiple operating systems (os), it is based on a cross platform portability layer, called the netscape portable runtime (nspr), which provides cross platform application programming interfaces (apis) for os specific apis like file system access, memory management, network communication, and multithreaded programming.
...(note that it's important to look at the number 11, as there are other pkcs standards with different numbers that define quite different topics.) a software or hardware module conforming to the pkcs#11 standard implements an interface of c calls, which allow querying the characteristics and offered services of the module.
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NSS Tools certutil
the minimum is 512 bits and the maximum is 8192 bits.
...any size that is a multiple of 8 between the minimum and maximum is allowed.
...express the offset in integers, using a minus sign (-) to indicate a negative offset.
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Starting WebLock
assuming there weren't any unexpected errors, the variable catman holds the nsicategorymanager interface pointer, which you can use to add the component as a startup observer by calling a method on the nsicategorymanager.
... when naming your component in the category, take care to use something that means something and doesn't muddy up the namespace.
... creating the weblock programming interface design is one of the hardest parts of any programming problem.
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mozIStorageStatement
method overview void initialize(in mozistorageconnection adbconnection, in autf8string asqlstatement); obsolete since gecko 1.9.1 void finalize(); mozistoragestatement clone(); autf8string getparametername(in unsigned long aparamindex); unsigned long getparameterindex(in autf8string aname); autf8string getcolumnname(in unsigned long acolumnindex); unsigned long getcolumnindex(in autf8string aname); void reset(); astring escapestringforlike(in astring avalue, in wchar aescapechar); void bindparameters(in mozistoragebindingparamsarray aparameters); mozistoragebin...
...dingparamsarray newbindingparamsarray(); void bindutf8stringparameter(in unsigned long aparamindex, in autf8string avalue); void bindstringparameter(in unsigned long aparamindex, in astring avalue); void binddoubleparameter(in unsigned long aparamindex, in double avalue); void bindint32parameter(in unsigned long aparamindex, in long avalue); void bindint64parameter(in unsigned long aparamindex, in long long avalue); void bindnullparameter(in unsigned long aparamindex); void bindblobparameter(in unsigned long aparamindex, [array,const,size_is(avaluesize)] in octet avalue, in unsigned long avaluesize); mozistoragependingstatement executeasync(mozistoragestatementcallback acallback); boolean executestep(); ...
... autf8string getparametername( in unsigned long aparamindex ); parameters aparamindex the zero-based numerical index for the parameter to be bound.
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Index
pizzarro <rhp@netscape.com> 10 autoconfiguration in thunderbird administration, enterprise author: ben bucksch please do not change this document without consulting the author 11 autoconfig file format no summary!
... for the message pane, the icon we will show is on disk at: <profile home>/nim/<value of pref aim.session.screenname>/picture/<screenname for sender email address>.gif when trying to determine the screenname for the sender, we search the addressbook that we are using for collection.
... 32 index index found 72 pages: 33 ldap support administration, enterprise, thunderbird this document is intended to "fill in the gaps" about how enterprise customers can leverage and customize ldap support in mozilla thunderbird.
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Background Tasks API - Web APIs
the cooperative scheduling of background tasks api (also referred to as the background tasks api or simply the requestidlecallback() api) provides the ability to queue tasks to be executed automatically by the user agent when it determines that there is free time to do so.
...each time timeremaining() is called, it subtracts the elapsed time from the original 50 milliseconds to determine the amount of time left.
... example in this example, we'll take a look at how you can use requestidlecallback() to run time-consuming, low-priority tasks during time the browser would otherwise be idle.
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Key Values - Web APIs
opens an interface (typically a dialog box) for performing a find/search operation.
... vk_select (0x29) gdk_key_select (0xff60) keycode_button_select (109) "zoomin" [6] the zoomin key.
... gdk_key_zoomin (0x1008ff8b) qt::key_zoomin (0x010000f6) keycode_zoom_in (168) "zoomout" [6] the zoomout key.
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Advanced techniques: Creating and sequencing audio - Web APIs
in this tutorial, we're going to cover sound creation and modification, as well as timing and scheduling.
... the interface consists of master controls, which allow us to play/stop the sequencer, and adjust the bpm (beats per minute) to speed up or slow down the "music".
...we can allow the user to control these using range inputs on the interface: <label for="attack">attack</label> <input name="attack" id="attack" type="range" min="0" max="1" value="0.2" step="0.1" /> <label for="release">release</label> <input name="release" id="release" type="range" min="0" max="1" value="0.5" step="0.1" /> now we can create some variables over in javascript and have them change when the input values are updated: let attacktime = 0.2; const attackcontrol = document.queryselector('#attack'); attackcontrol.addeventlistener('input', func...
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Privileged features - Web APIs
minimizable this setting can only apply to dialog windows; minimizable requires dialog=yes.
... if minimizable is on, the new dialog window will have a minimize system command icon in the titlebar and it will be minimizable.
... any non-dialog window is always minimizable and minimizable=no will be ignored.
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Window.open() - Web APIs
keep in mind that this will not be used as the window's title.
...the minimum required value is 100.
...the minimum required value is 100.
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@viewport - CSS: Cascading Style Sheets
this may be either the full screen or the full screen area minus areas controlled by the operating system (such as a taskbar) or the application-available screen area (either the full screen or the screen minus any areas owned by the operating system or other applications).
... a zoom factor of 1.0 or 100% corresponds to no zooming.
... min-width used in the determination of the width of the viewport when the document is first displayed.
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grid-auto-rows - CSS: Cascading Style Sheets
syntax /* keyword values */ grid-auto-rows: min-content; grid-auto-rows: max-content; grid-auto-rows: auto; /* <length> values */ grid-auto-rows: 100px; grid-auto-rows: 20cm; grid-auto-rows: 50vmax; /* <percentage> values */ grid-auto-rows: 10%; grid-auto-rows: 33.3%; /* <flex> values */ grid-auto-rows: 0.5fr; grid-auto-rows: 3fr; /* minmax() values */ grid-auto-rows: minmax(100px, auto); grid-auto-rows: minmax(max-content, 2fr); grid-auto...
...-rows: minmax(20%, 80vmax); /* multiple track-size values */ grid-auto-rows: min-content max-content auto; grid-auto-rows: 100px 150px 390px; grid-auto-rows: 10% 33.3%; grid-auto-rows: 0.5fr 3fr 1fr; grid-auto-rows: minmax(100px, auto) minmax(max-content, 2fr) minmax(20%, 80vmax); grid-auto-rows: 100px minmax(100px, auto) 10% 0.5fr fit-content(400px); /* global values */ grid-auto-rows: inherit; grid-auto-rows: initial; grid-auto-rows: unset; values <length> is a non-negative length.
... when appearing outside a minmax() notation, it implies an automatic minimum (i.e.
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Applying color to HTML elements using CSS - HTML: Hypertext Markup Language
then we'll wrap things up with a brief discussion of how to use color wisely: how to select appropriate colors, keeping in mind the needs of people with differing visual capabilities.
... text whenever an element is rendered, these properties are used to determine the color of the text, its background, and any decorations on the text.
... hsl functional notation designers and artists often prefer to work using the hsl (hue/saturation/luminosity) color method.
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<input type="checkbox"> - HTML: Hypertext Markup Language
events change and input supported common attributes checked idl attributes checked, indeterminate and value methods select() value a domstring representing the value of the checkbox.
... 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).
... indeterminate if the indeterminate attribute is present on the <input> element defining a checkbox, the checkbox's value is neither true nor false, but is instead indeterminate, meaning that it's state cannot be determined or stated in pure binary terms.
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<input type="tel"> - HTML: Hypertext Markup Language
value a domstring representing a telephone number, or empty events change and input supported common attributes autocomplete, list, maxlength, minlength, pattern, placeholder, readonly, and size idl attributes list, selectionstart, selectionend, selectiondirection, and value methods select(), setrangetext(), setselectionrange() value the <input> element's value attribute contains a domstring that either represents a telephone number or is an empty string ("").
...in addition to the attributes that operate on all <input> elements regardless of their type, telephone number inputs support the following attributes: attribute description list the id of the <datalist> element that contains the optional pre-defined autocomplete options maxlength the maximum length, in utf-16 characters, to accept as a valid input minlength the minimum length that is considered valid for the field's contents pattern a regular expression the entered value must match to pass constraint validation placeholder an example value to display inside the field when it has no value readonly a boolean attribute which, if present, indicates that the field's contents should not be user-editable ...
...this value must also be greater than or equal to the value of minlength.
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<input type="text"> - HTML: Hypertext Markup Language
events change and input supported common attributes autocomplete, list, maxlength, minlength, pattern, placeholder, readonly, required and size idl attributes list, value methods select(), setrangetext() and setselectionrange().
... additional attributes in addition to the attributes that operate on all <input> elements regardless of their type, text inputs support the following attributes: attribute description list the id of the <datalist> element that contains the optional pre-defined autocomplete options maxlength the maximum number of characters the input should accept minlength the minimum number of characters long the input can be and still be considered valid pattern a regular expression the input's contents must match in order to be valid placeholder an exemplar value to display in the input field whenever it is empty readonly a boolean attribute indicating whether or not the contents of the input should be read-only ...
...this value must also be greater than or equal to the value of minlength.
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JavaScript data types and data structures - JavaScript
programming languages all have built-in data structures, but these often differ from one language to another.
... keep in mind the only valuable purpose of typeof operator usage is checking the data type.
... to check for the largest available value or smallest available value within ±infinity, you can use the constants number.max_value or number.min_value.
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Introduction - JavaScript
some programming experience.
... if you are new to programming, try one of the tutorials linked on the main page about javascript.
... where to find javascript information the javascript documentation on mdn includes the following: learn web development provides information for beginners and introduces basic concepts of programming and the internet.
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Date - JavaScript
this date and time is the same as the unix epoch, which is the predominant base value for computer-recorded date and time values.
... note: it's important to keep in mind that while the time value at the heart of a date object is utc, the basic methods to fetch the date and time or its components all work in the local (i.e.
... date.prototype.getminutes() returns the minutes (0–59) in the specified date according to local time.
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Understanding WebAssembly text format - WebAssembly
unlike the abstract syntax tree of a programming language, though, webassembly’s tree is pretty flat, mostly consisting of lists of instructions.
... next, we’ll load our binary into a typed array called addcode (as described in fetching webassembly bytecode), compile and instantiate it, and execute our add function in javascript (we can now find add() in the exports property of the instance): webassembly.instantiatestreaming(fetch('add.wasm')) .then(obj => { console.log(obj.instance.exports.add(1, 2)); // "3" }); note: you can find this example in github as add.html (see it live also).
... also see webassembly.instantiatestreaming() for more details about the instantiate function.
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Using the WebAssembly JavaScript API - WebAssembly
create a <script></script> element in your html file, and add the following code to it: var importobject = { imports: { imported_func: arg => console.log(arg) } }; streaming the webassembly module new in firefox 58 is the ability to compile and instantiate webassembly modules directly from underlying sources.
... this is achieved using the webassembly.compilestreaming() and webassembly.instantiatestreaming() methods.
... these methods are easier than their non-streaming counterparts, because they can turn the byte code directly into module/instance instances, cutting out the need to separately put the response into an arraybuffer.
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Extension Versioning, Update and Compatibility - Archive of obsolete content
as a rough overview this is a version string split by periods, some examples: 2.0 1.0b1 3.0pre1 5.0.1.2 note: before firefox 1.5 the more basic firefox version format was used: major.minor.release.build[+] where only digits were allowed.
... how applications determine compatibility when installing add-ons applications look at the targetapplication entries in the add-on's install.rdf.
...additionally the minversion and maxversion of this entry must be a range that includes the version of the running application.
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An Interview With Douglas Bowman of Wired News - Archive of obsolete content
my initial attempts at the markup and css for the wired news design eliminated the majority of our tables, but left one master table to control the primary columns of each page.
... by eliminating tables that were strictly used for layout, we significantly cut back on the amount of markup and useless tags in our html, and gained a structure that is much easier to maintain.
... in trying to eliminate that last table i was using to set the column structure of our pages, i took a close look at both floated divs and positioned divs.
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XUL element attributes - Archive of obsolete content
when generating content from a template this is used to determine which resources from the datasource are containers and thus can have child nodes and which ones are not containers.
...elements with larger flex values will be made larger than elements with lower flex values, at the ratio determined by the two elements.
...the actual displayed height may be different if the element or its contents have a minimum or maximum height.
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progressmeter - Archive of obsolete content
in addition, an indeterminate progressmeter may be created by setting the mode attribute to undetermined.
... attributes max, mode, value properties accessibletype, max, mode, value examples <progressmeter mode="determined" value="82"/> <progressmeter mode="undetermined"/> <!-- switching modes while the mouse is over a button --> <progressmeter mode="determined" id="myprogress"/> <button label="example" onmouseover="setloading(true)" onmouseout="setloading(false)"/> function setloading(state){ document.getelementbyid('myprogress').mode = (state) ?
... 'undetermined' : 'determined'; } attributes max type: integer the maximum value that progressmeter may have.
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splitter - Archive of obsolete content
the vbox is used to hold the .png image that a user clicks on to resize the search bar.--> <splitter tooltiptext="resize the search box" oncommand="alert('the splitter was dragged')"> <vbox id="example_vbox" /> </splitter> attributes collapse type: one of the values below determines which side of the splitter is collapsed when its grippy is clicked.
... both either the element immediately before the splitter, or the element immediately after the splitter can be collapsed, if the size of that element would fall below the minimum size due to the position of the splitter.
... substate type: one of the values below on splitters which have state="collapsed" and collapse="both", determines which direction the splitter is actually collapsed in.
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The First Install Problem - Archive of obsolete content
write a key under hkey_local_machine\software\mozillaplugins\ which is a vendor-determined plid.
... if the hkey_local_machine\software\mozillaplugins key doesn't exist, create it, and write the vendor-determined plid for each module that the vendor wishes to install.
... example: a piece of software called myapplication might create hkey_local_machine\software\mozillaplugins\@mycompany.com/myapplication,version=5.0.1/ where the plid is something the corporation that makes myapplication (mycompany inc.) determines.
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-ms-content-zoom-limit - Archive of obsolete content
the -ms-content-zoom-limit css shorthand property is a microsoft extension that specifies values for the -ms-content-zoom-limit-min and -ms-content-zoom-limit-max properties.
... initial valueas each of the properties of the shorthand:-ms-content-zoom-limit-max: 400%-ms-content-zoom-limit-min: 100%applies tonon-replaced block-level elements and non-replaced inline-block elementsinheritednopercentagesas each of the properties of the shorthand:-ms-content-zoom-limit-max: the largest allowed zoom factor.
... a zoom factor of 100% corresponds to no zooming.
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XForms Custom Controls - Archive of obsolete content
please keep in mind that just about everything we mention here may change to some degree as we continue to work on it.
...in many cases different values provided for the appearance or mediatype attributes will determine which xbl binding will be used for a particular xforms control on the form.
...for example, in the mozilla xforms extension we will render a combobox widget when appearance='minimal' on a select1 control.
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Grids - Learn web development
ackground-color: rgb(207,232,220); border: 2px solid rgb(79,185,227); } <div class="container"> <div>one</div> <div>two</div> <div>three</div> <div>four</div> <div>five</div> <div>six</div> <div>seven</div> </div> .container { display: grid; grid-template-columns: repeat(3, 1fr); grid-auto-rows: 100px; grid-gap: 20px; } the minmax() function our 100-pixel tall tracks won’t be very useful if we add content into those tracks that is taller than 100 pixels, in which case it would cause an overflow.
... the minmax() function lets us set a minimum and maximum size for a track, for example minmax(100px, auto).
... the minimum size is 100 pixels, but the maximum is auto, which will expand to fit the content.
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The HTML5 input types - Learn web development
read website security for an idea of what could happen; implementing server-side validation is somewhat beyond the scope of this module, but you should bear it in mind.
... the following screenshot (from firefox for android) provides an example: with the number input type, you can constrain the minimum and maximum values allowed by setting the min and max attributes.
... <input type="number" name="age" id="age" min="1" max="10" step="2"> the second one creates a number control whose value is restricted to any value between 0 and 1 inclusive, and whose increase and decrease buttons change its value by 0.01.
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Cooperative asynchronous JavaScript: Timeouts and intervals - Learn web development
note: the specified amount of time (or the delay) is not the guaranteed time to execution, but rather the minimum time to execution.
... you also want to calculate the number of hours, minutes, and seconds as separate values, and then show them together in a string after each loop iteration.
... the number of minutes will be the amount of seconds left over when all of the hours have been removed, divided by 60.
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Package management basics - Learn web development
in your terminal, run the following command: parcel index.html you should see something like this printed to your terminal: server running at http://localhost:1234 ✨ built in 193ms.
... note: if you have trouble with the terminal returning a "command not found" type error, try running the above command with the npx utility, i.e.
... dist: the distribution directory — these are the automatically packaged, minified files parcel has built for us, and the files it is serving at localhost:1234.
...And 6 more matches

Accessibility/LiveRegionDevGuide
it is responsible for queuing messages derived from live region events, where priority is determined by chronological order and the live politeness properties.
...instead, all text changed events should be examined for the presence of an embed character.
... filtering user actions this paragraph describes object properties and event naming schemes that are used to help an at determine if an event is an actual live region event or is the result of user action.
...And 6 more matches

IPDL Tutorial
each incoming message is a pure-virtual c++ method which must be implemented: class ppluginparent { public: bool sendinit(const nscstring& pluginpath) { // generated code to send an init() message } bool sendshutdown() { // generated code to send a shutdown() message } protected: /** * a subclass of ppluginparent must implement this method to handle the ready() message.
... using mozilla::plugins::npremoteevent; sync protocol pplugininstance { child: async handleevent(npremoteevent); }; unions ipdl has built-in support for declaring discriminated unions.
...union generates a c++ interface which includes the following: struct variant { enum type { tvoid_t, tbool, tint, tdouble, tnscstring, tpplugionscriptableobject }; type type(); void_t& get_void_t(); bool& get_bool(); int& get_int(); double& get_double(); nscstring& get_nscstring(); ppluginscriptableobject* get_ppluginscriptableobject(); }; aunion.type() can be used to determine the type of a union received in an ipdl message handler, with the remaining functions granting access to its contents.
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Creating JavaScript jstest reftests
performance tests or stress tests tests of spidermonkey's comformance to the ecmascript standard a brief history: in 2017, spidermonkey started comsuming test262, a comprehensive tests suite for ecmascript implementations.
... it is easy to make a test silently pass; anyone who has written js code for the web has written this kind of if-statement: if (typeof gc === 'function') { var arr = []; arr[10000] = 'item'; gc(); asserteq(arr[10000], 'item', 'gc must not wipe out sparse array elements'); } else { print('test skipped: no gc function'); } reportcompare(0, 0, 'ok'); handling abnormal test terminations some tests can terminate abnormally even though the test has technically passed.
... earlier we discussed the deprecated approach of using the -n naming scheme to identify tests whose passed, failed status is flipped by the post test processing code in jsdriver.pl and post-process-logs.pl.
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JS_GetGCParameter
max_bytes, jsgc_max_malloc_bytes, jsgc_max_nursery_bytes, jsgc_bytes, jsgc_number, jsgc_mode, jsgc_unused_chunks, jsgc_total_chunks, jsgc_slice_time_budget, jsgc_mark_stack_limit, jsgc_high_frequency_time_limit, jsgc_high_frequency_low_limit, jsgc_high_frequency_high_limit, jsgc_high_frequency_heap_growth_max, jsgc_high_frequency_heap_growth_min, jsgc_low_frequency_heap_growth, jsgc_dynamic_heap_growth, jsgc_dynamic_mark_slice, jsgc_allocation_threshold, jsgc_min_empty_chunk_count, jsgc_max_empty_chunk_count, jsgc_compaction_enabled, jsgc_allocation_threshold_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_min_nursery_bytes / "minnurserybytes" minimum size the nursery may shrink to.
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Redis Tips
redis data types include: strings hashes lists sets ordered sets (called zsets in redis) transactions publishers and subscribers this table lists some common programming tasks and data structures, and suggests some redis functions or data structures for them: dictionary lookup set, get, setnx, etc.
... getting started with redis before you go any further in this document, make sure you have played with redis for at least 5 or 10 minutes.
... here's a stupid node script to show how this works: #!/usr/bin/env node var r = require('redis').createclient(); r.multi() .set("foo", 42) .set("bar", "ice cream") .set("baz", 6.28) .get("foo") .get("bar") .get("baz") .exec(function(err, resultlist) { console.log(json.stringify(resultlist, null, 2)); r.end(); // terminate the redis connection; node can quit }); when run, this prints: [ "ok", "ok", "ok", "42", "ice cream", "6.28" ] the result list includes one value per each command executed.
...And 6 more matches

nsCString
class declaration this is the canonical null-terminated string class.
... all subclasses promise null-terminated storage.
... names: nsstring for wide characters nscstring for narrow characters this class is also known as nsaflat[c]string, where "flat" is used to denote a null-terminated string.
...And 6 more matches

nsString
class declaration this is the canonical null-terminated string class.
... all subclasses promise null-terminated storage.
... names: nsstring for wide characters nscstring for narrow characters this class is also known as nsaflat[c]string, where "flat" is used to denote a null-terminated string.
...And 6 more matches

nsINavBookmarksService
e gecko 1.9 nsiuri getfolderuri(in print64 folder); obsolete since gecko 1.9 long long getidforitemat(in long long aparentid, in long aindex); prtime getitemdateadded(in long long aitemid); astring getitemguid(in long long aitemid); obsolete since gecko 14.0 long long getitemidforguid(in astring aguid); obsolete since gecko 14.0 long getitemindex(in long long aitemid); prtime getitemlastmodified(in long long aitemid); autf8string getitemtitle(in long long aitemid); unsigned short getitemtype(in long long aitemid); astring getkeywordforbookmark(in long long aitemid); obsolete since gecko 40.0 astring getkeywordforuri(in nsiuri auri); obsolete since gecko 40.0 nsitransaction getre...
...acallback, in nsisupports auserdata); void setfolderreadonly(in long long afolder, in boolean areadonly); void setfoldertitle(in print64 folder, in astring title); obsolete since gecko 1.9 void setitemdateadded(in long long aitemid, in prtime adateadded); void setitemguid(in long long aitemid, in astring aguid); obsolete since gecko 14.0 void setitemindex(in long long aitemid, in long anewindex); void setitemlastmodified(in long long aitemid, in prtime alastmodified); void setitemtitle(in long long aitemid, in autf8string atitle); void setkeywordforbookmark(in long long aitemid, in astring akeyword); obsolete since gecko 40.0 void setkeywordforuri(in nsiuri uri, in astring keyword); obsolete since gecko 1.
...this contains administrative data as well as user data, and is therefore not recommended for use in queries.
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nsITreeView
constants constant value description progress_normal 1 note: renamed from progressnormal in gecko 1.8 progress_undetermined 2 note: renamed from progressundetermined in gecko 1.8 progress_none 3 note: renamed from progressnone in gecko 1.8 drop_before -1 drop_on 0 drop_after 1 indropbefore 0 obsolete since gecko 1.8 indropon 1 obsolete since gecko 1.8 indropafter 2 obsolete since gecko ...
...1.8 methods candrop() methods used by the drag feedback code to determine if a drag is allowable at the current location.
... datatransfer this parameter, added in gecko 1.9.2, provides the data being dragged, so that it can be examined to determine if a drop is possible.
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WebIDL bindings
the return type and argument types are determined as described below.
... api for working with dictionaries there are a few useful methods found on dictionaries and dictionary members that you can use to quickly determine useful things.
...with that in mind, the generated iterable bindings expect the wrapper object to provide certain methods for the interface to access.
...And 6 more matches

Streams - Plugins
this method also determines which mode it should use to send data to the plug-in.
...the plug-in can terminate the stream itself by calling npn_destroystream.
... finding out how much data the plug-in can accept after a call to npp_newstream and before writing data to the plug-in, the browser calls npp_writeready to determine the maximum number of bytes that the plug-in can consume.
...And 6 more matches

CloseEvent - Web APIs
1002 protocol error the endpoint is terminating the connection due to a protocol error.
... 1003 unsupported data the connection is being terminated because the endpoint received data of a type it cannot accept (for example, a text-only endpoint received binary data).
... 1007 invalid frame payload data the endpoint is terminating the connection because a message was received that contained inconsistent data (e.g., non-utf-8 data within a text message).
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Adding 2D content to a WebGL context - Web APIs
let's take a quick look at the two types of shader, with the example in mind of drawing a 2d shape into the webgl context.
... the vertex shader can, as needed, also do things like determine the coordinates within the face's texture of the texel to apply to the vertex, apply the normals to determine the lighting factor to apply to the vertex, and so on.
...this eliminates operations from every calculation we do in our shader.
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Fundamentals of WebXR - Web APIs
this is an important fact to keep in mind; while webxr manages the timing, scheduling, and the various points of view relevant when drawing the scene, it does not actually know how to load and manage models, render and texture them, and so forth.
... webvr was generally considered to be an experimental api designed to help specification writers determine the best approaches to creating an api for virtual reality on the web.
...assuming a person has two healthy eyes, their total field of view is about 200° to 220° wide.
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Movement, orientation, and motion: A WebXR example - Web APIs
while reading this article and the accompanying source code, it's helpful to keep in mind that the display for a 3d headset is a single screen, divided in half.
... setup and utility functions next, we declare the variables and constants used throughout the application, starting with those used to store webgl and webxr specific information: let polyfill = null; let xrsession = null; let xrinputsources = null; let xrreferencespace = null; let xrbutton = null; let gl = null; let animationframerequestid = 0; let shaderprogram = null; let programinfo = null; let buffers = null; let texture = null; let mouseyaw = 0; let mousepitch = 0; this is followed by a set of constants, mostly to contain various vectors and matrices used while rendering the scene.
... gl = canvas.getcontext("webgl", { xrcompatible: true }); if (allowmouserotation) { canvas.addeventlistener("pointermove", handlepointermove); canvas.addeventlistener("contextmenu", (event) => { event.preventdefault(); }); } if (allowkeyboardmotion) { document.addeventlistener("keydown", handlekeydown); } shaderprogram = initshaderprogram(gl, vssource, fssource); programinfo = { program: shaderprogram, attriblocations: { vertexposition: gl.getattriblocation(shaderprogram, 'avertexposition'), vertexnormal: gl.getattriblocation(shaderprogram, 'avertexnormal'), texturecoord: gl.getattriblocation(shaderprogram, 'atexturecoord'), }, uniformlocations: { projectionmatrix: gl.getuniformlocation(shaderprogram, 'uprojectionmatrix'), ...
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WindowOrWorkerGlobalScope.setTimeout() - Web APIs
timeouts throttled to ≥ 4ms in modern browsers, settimeout()/setinterval() calls are throttled to a minimum of once every 4 ms when successive calls are triggered due to callback nesting (where the nesting level is at least a certain depth), or after certain number of successive intervals.
... note: the minimum delay, dom_min_timeout_value, is 4 ms (stored in a preference in firefox: dom.min_timeout_value), with a dom_clamp_timeout_nesting_level of 5.
...prior to (firefox 5.0 / thunderbird 5.0 / seamonkey 2.2), the minimum timeout value for nested timeouts was 10 ms.
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Grid template areas - CSS: Cascading Style Sheets
naming a grid area you have already encountered the grid-area property.
... .wrapper { display: grid; grid-template-columns: repeat(9, 1fr); grid-auto-rows: minmax(100px, auto); grid-template-areas: "hd hd hd hd hd hd hd hd hd" "sd sd sd main main main main main main" "ft ft ft ft ft ft ft ft ft"; } * {box-sizing: border-box;} .wrapper { border: 2px solid #f76707; border-radius: 5px; background-color: #fff4e6; max-width: 940px; margin: 0 auto; } .wrapper > div { border: 2px solid #ffa...
...ing: border-box;} .wrapper { border: 2px solid #f76707; border-radius: 5px; background-color: #fff4e6; max-width: 940px; margin: 0 auto; } .wrapper > div { border: 2px solid #ffa94d; border-radius: 5px; background-color: #ffd8a8; padding: 1em; color: #d9480f; } .wrapper { display: grid; grid-template-columns: repeat(9, 1fr); grid-auto-rows: minmax(100px, auto); grid-template-areas: "hd hd hd hd hd hd hd hd hd" "sd sd sd main main main main main main" ".
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Relationship of grid layout to other layout methods - CSS: Cascading Style Sheets
the wrapper min-height is set, so it defines the height of the flex container.
... { border: 2px solid #f76707; border-radius: 5px; background-color: #fff4e6; } .wrapper > div { border: 2px solid #ffa94d; border-radius: 5px; background-color: #ffd8a8; padding: 1em; color: #d9480f; } <div class="wrapper"> <div class="box1">one</div> <div class="box2">two</div> <div class="box3">three</div> </div> .wrapper { display: flex; align-items: flex-end; min-height: 200px; } .box1 { align-self: stretch; } .box2 { align-self: flex-start; } alignment in css grids this second example uses a grid to create the same layout.
...the fr unit, when combined with the minmax() function can give us very similar behavior to the flex properties in flexbox while still enabling the creation of a layout in two dimensions.
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animation - CSS: Cascading Style Sheets
it is a shorthand for animation-name, animation-duration, animation-timing-function, animation-delay, animation-iteration-count, animation-direction, animation-fill-mode, and animation-play-state.
... /* @keyframes duration | timing-function | delay | iteration-count | direction | fill-mode | play-state | name */ animation: 3s ease-in 1s 2 reverse both paused slidein; /* @keyframes name | duration | timing-function | delay */ animation: 3s linear 1s slidein; /* @keyframes name | duration */ animation: slidein 3s; <div class="grid"> <div class="col"> <div class="note"> given the following animation: <pre>@keyframes slidein { from { transform: scalex(0); } to { transform: scalex(1); } }</pre> </div> <div class="row"> <div cl...
... constituent properties this property is a shorthand for the following css properties: animation-delay animation-direction animation-duration animation-fill-mode animation-iteration-count animation-name animation-play-state animation-timing-function syntax the animation property is specified as one or more single animations, separated by commas.
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max-height - CSS: Cascading Style Sheets
it prevents the used value of the height property from becoming larger than the value specified for max-height.
... max-height overrides height, but min-height overrides max-height.
... syntax /* <length> value */ max-height: 3.5em; /* <percentage> value */ max-height: 75%; /* keyword values */ max-height: none; max-height: max-content; max-height: min-content; max-height: fit-content(20em); /* global values */ max-height: inherit; max-height: initial; max-height: unset; values <length> defines the max-height as an absolute value.
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max() - CSS: Cascading Style Sheets
think of the max() value as providing the minimum value a property can have.
... the expressions can be math expressions (using arithmetic operators), literal values, or other expressions, such as attr(), that evaluate to a valid argument type (like <length>), or nested min() and max() functions.
... it is permitted to nest min() and other max() functions as expression values.
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HTML attribute: step - HTML: Hypertext Markup Language
if not explicitly included, step defaults to 1 for number and range, and 1 unit type (minute, week, month, day) for the date/time input types.
... the value can must be a positive number - integer or float -- or the special value any, which means no stepping is implied, and any value is allowed (barring other constraints, such as min and max).
...the default stepping value for time is 1 second, with 900 being equal to 15 minutes.
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<input type="email"> - HTML: Hypertext Markup Language
value a domstring representing an e-mail address, or empty events change and input supported common attributes autocomplete, list, maxlength, minlength, multiple, name,pattern, placeholder, readonly, required, size, and type idl attributes list and value methods select() value the <input> element's value attribute contains a domstring which is automatically validated as conforming to e-mail syntax.
...additional attributes in addition to the attributes that operate on all <input> elements regardless of their type, email inputs support the following attributes: attribute description list the id of the <datalist> element that contains the optional pre-defined autocomplete options maxlength the maximum number of characters the input should accept minlength the minimum number of characters long the input can be and still be considered valid multiple whether or not to allow multiple, comma-separated, e-mail addresses to be entered pattern a regular expression the input's contents must match in order to be valid placeholder an exemplar value to display in the input field whenever it is empty readon...
...this value must also be greater than or equal to the value of minlength.
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<input type="search"> - HTML: Hypertext Markup Language
events change and input supported common attributes autocomplete, list, maxlength, minlength, pattern, placeholder, required, size.
...nal attributes in addition to the attributes that operate on all <input> elements regardless of their type, search field inputs support the following attributes: attribute description list the id of the <datalist> element that contains the optional pre-defined autocomplete options maxlength the maximum number of characters the input should accept minlength the minimum number of characters long the input can be and still be considered valid pattern a regular expression the input's contents must match in order to be valid placeholder an exemplar value to display in the input field whenever it is empty readonly a boolean attribute indicating whether or not the contents of the input should be read-only ...
...this value must also be greater than or equal to the value of minlength.
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Cross-Origin Resource Sharing (CORS) - HTTP
more specifically, this article is for web administrators, server developers, and front-end developers.
...the only way to determine what specifically went wrong is to look at the browser's console for details.
...rces/public-data/ http/1.1 host: bar.other user-agent: mozilla/5.0 (macintosh; intel mac os x 10.14; rv:71.0) gecko/20100101 firefox/71.0 accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 accept-language: en-us,en;q=0.5 accept-encoding: gzip,deflate connection: keep-alive origin: https://foo.example the request header of note is origin, which shows that the invocation is coming from https://foo.example.
...And 6 more matches

Index - HTTP
(by languages, we mean natural languages, such as english, and not programming languages.) using content negotiation, the server then selects one of the proposals, uses it and informs the client of its choice with the content-language response header.
... 28 content-security-policy csp, http, reference, security, header the http content-security-policy response header allows web site administrators to control resources the user agent is allowed to load for a given page.
...it is used as a validator to determine if a resource received or stored is the same.
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Array.prototype.includes() - JavaScript
the includes() method determines whether an array includes a certain value among its entries, returning true or false as appropriate.
... syntax arr.includes(valuetofind[, fromindex]) parameters valuetofind the value to search for.
... fromindex optional the position in this array at which to begin searching for valuetofind.
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The "codecs" parameter in common media types - Web media technologies
this guide briefly examines the syntax of the media type codecs parameter and how it's used with the mime type string to provide details about the contents of audio or video media beyond simply indicating the container type.
...this, combined with the m component, can be used to construct the chroma subsampling format: determining the chroma subsampling format subsampling_x subsampling_y monochrome flag chroma subsampling format 0 0 0 yuv 4:4:4 1 0 0 yuv 4:2:2 1 1 0 yuv 4:2:0 1 1 1 yuv 4:0:0 (monochrome...
... specifying an avc profiles using the profile id and constraints components of the codecs parameter profile number (hex) constraints byte constrained baseline profile (cbp) cbp is primarily a solution for scenarios in which resources are constrained, or resource use needs to be controlled to minimize the odds of the media performing poorly.
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Critical rendering path - Web Performance
layout determines the size and location of everything on the page.
... once layout is determined, pixels are painted to the screen.
...the more specific rule is more expensive because it has to traverse more nodes in the dom tree - but that extra expense is generally minimal.
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Installing plugins to Gecko embedding browsers on Windows - Archive of obsolete content
this document presents the windows registry keys plugin installers can parse to determine where to install a given plugin (for mozilla browsers) on windows.
...on windows xp and windows 2000, in order to write to the registry, sometimes the software may need administrator privileges.
... thus, some mozilla based browsers, such as the netscape 6 installer, write to the hkey_current_user key in addition; this doesn't require administrator privileges.
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Textbox (XPFE autocomplete) - Archive of obsolete content
attributes accesskey, alwaysopenpopup, autocompletesearch, autocompletesearchparam, autofill, autofillaftermatch, autofill, completedefaultindex, crop, disableautocomplete, disableautocomplete, disabled, disablehistory, enablehistory, focused, forcecomplete, forcecomplete, highlightnonmatches, ignoreblurwhilesearching, ignoreblurwhilesearching, inputtooltiptext, label, maxlength, maxrows, minresultsforpopup, minresultsforpopup, nomatch, onchange, onerrorcommand, oninput, onsearchcomplete, ontextcommand, ontextentered, ontextrevert, ontextreverted, open, readonly, searchsessions, showcommentcolumn, showcommentcolumn, showpopup, size, tabindex, tabscrolling, tabscrolling, timeout, type, useraction, value properties accessible, alwaysopenpopup, autofill, autofillaftermatc...
...h, completedefaultindex, crop, disableautocomplete, disabled, editable, focused, forcecomplete, highlightnonmatches, ignoreblurwhilesearching, inputfield, issearching, iswaiting, label, maxlength, maxrows, minresultsforpopup, nomatch, open, popup, popupopen, resultspopup, searchcount, searchparam, searchsessions, selectionend, selectionstart, sessioncount, showcommentcolumn, showpopup, size, tabindex, tabscrolling, textlength, textvalue, timeout, type, useraction, value methods addsession, clearresults, getdefaultsession, getresultat, getresultcount, getresultvalueat, getsession, getsessionbyname, getsessionresultat, getsessionstatusat, getsessionvalueat, removesession, select, setselectionrange, syncsessions examples (example needed) attributes accesskey type: chara...
...this attribute is obsolete as of gecko 1.9.1; to control the display of the popup, use the minresultsforpopup attribute instead.
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Numeric Controls - Archive of obsolete content
however, the minimum and maximum values can also be specified using the min and max attributes.
...if the user enters a value less or greater than this value, it will be reset to the minimum or maximum value as necessary.
...<textbox type="number" min="1" max="20"/> as the default value isn't specified, it will default to 1, the minimum value.
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The Business Benefits of Web Standards - Archive of obsolete content
eliminate unwelcome future costs a very significant portion of electronically-stored information is produced for the web and written in html format.
... using xhtml is a way to enter a set of standards composed of xml-based technologies, such as xml, xslt (transforming data), svg (animated graphics), mathml (describing mathematic expressions)...
...that has been the real impact of the zen garden, in helping to demonstrate the stunning results which are possible without altering the markup, and indeed keeping the amount of presentational markup to an acceptable minimum.
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Drawing graphics - Learn web development
previous overview: client-side web apis next the browser contains some very powerful graphics programming tools, from the scalable vector graphics (svg) language, to apis for drawing on html <canvas> elements, (see the canvas api and webgl).
...this works out as the bottom left corner of the text box (literally, the box surrounding the text you draw), which might confuse you as other drawing operations tend to start from the top left corner — bear this in mind.
... now add the following code to the bottom of the javascript: function degtorad(degrees) { return degrees * math.pi / 180; }; function rand(min, max) { return math.floor(math.random() * (max-min+1)) + (min); } let length = 250; let moveoffset = 20; for(var i = 0; i < length; i++) { } here we are implementing the same degtorad() function we saw in the triangle example above, a rand() function that returns a random number between given lower and upper bounds, length and moveoffset variables (which we'll find out more about later), ...
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What is JavaScript? - Learn web development
a high-level definition javascript is a scripting or programming language that allows you to implement complex features on web pages — every time a web page does more than just sit there and display static information for you to look at — displaying timely content updates, interactive maps, animated 2d/3d graphics, scrolling video jukeboxes, etc.
... the core client-side javascript language consists of some common programming features that allow you to do things like: store useful values inside variables.
... operations on pieces of text (known as "strings" in programming).
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Website security - Learn web development
with great regularity, we hear about websites becoming unavailable due to denial of service attacks, or displaying modified (and often damaging) information on their homepages.
...while all that sounds very ominous, the good news is that if you're using a server-side web framework, it will almost certainly enable "by default" robust and well-thought-out defense mechanisms against a number of the more common attacks.
...as you read, note how threats are most successful when the web application either trusts, or is not paranoid enough about the data coming from the browser.
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Introduction to client-side frameworks - Learn web development
exploring the why requires first examining the challenges of software development.
... we can examine the difficulty of this problem by looking at just one feature of our todo list app: rendering a list of tasks.
...bear in mind that you might not need a framework at all — beware that you don't end up using a framework just for the sake of it.
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Getting started with React - Learn web development
prerequisites: familiarity with the core html, css, and javascript languages, knowledge of the terminal/command line.
... react's primary goal is to minimize the bugs that occur when developers are building uis.
... if you're using windows, you will need to install some software to give you parity with unix/macos terminal in order to use the terminal commands mentioned in this tutorial.
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Getting started with Vue - Learn web development
prerequisites: familiarity with the core html, css, and javascript languages, knowledge of the terminal/command line.
...for installation, and to use some of the more advanced features of vue (like single file components or render functions), you'll need a terminal with node + npm installed.
...great for development <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script> production script (optimized version, minimal console warnings.
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mach
mach's logic for determining which mozconfig to use is effectively the following: if a .mozconfig file (some say it is the file mozconfig without the dot) exists in the current directory, use that.
...if you don't use mach, you have to find another solution for the following problems: discovering what commands or make targets are available (mach exposes everything through mach help while inside "mozilla-central" , else you'll just get a cryptic error message) making more sense out of command output (mach offers terminal colorization and structured logging) getting productive tools in the hands of others (mach "advertises" tools to people through mach help (unless it actually just gives you a cryptic error message) - in the former case, people don't need to discover your tool from a blog post, wiki page, or word of mouth).
...some larger known issues include: mintty (alternative terminal emulator on windows) doesn't work.
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Storage access policy: Block cookies from trackers
this policy protects against cross-site tracking while minimizing the site breakage associated with traditional cookie blocking.
... tracking protection explained how does firefox determine which resources are tracking resources?
... firefox uses the tracking protection list to determine which resources are tracking resources.
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HTML parser threading
parseavailabledata() checks for parser termination or interruption from time to time.
... the termination and interruption indicators are guarded by a more narrowly scoped mterminatedmutex, so parseavailabledata() has the opportunity to receive an order to terminate or interrupt even while the parser thread is holding mterminatedmutex.
...the method then enters a loop that has a bunch of return conditions (including parser termination).
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DeferredTask.jsm
by design, this method doesn't provide a way for the caller to detect when the next execution terminates, or collect a result.
... if the task is running and the timer is armed, then one last execution from start to finish will happen again, immediately after the current execution terminates; then the returned promise will be resolved.
... if the task is running and the timer is not armed, the returned promise will be resolved when the current execution terminates.
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Investigating leaks using DMD heap scan mode
first, in toolkit/components/terminator/nsterminator.cpp, delete everything in runwatchdog but the call to ns_setcurrentthreadname.
... this will keep the watch dog from killing the browser when shut down takes multiple minutes.
... secondly, you may need to comment out the call to moz_crash("nss_shutdown failed"); in xpcom/build/xpcominit.cpp, as this also seems to trigger when shutdown is extremely slow.
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PKCS #11 Module Specs
a single line, terminated by a '\n', '\r\n', or '\r' represents a single pkcs #11 library.
...if the value is quoted, then the value is terminated with and ending quote of the form ', ", ), ], }, or > matching the respective starting quote.
... timeout - time in minutes before the current authentication should be rechecked.
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NSS Tools modutil
if both relativepath and absolutepath are specified, the installer attempts to use the relative path; if it is unable to determine a relative path, it uses the absolute path.
... a default providerenabling a slotenabling fips complianceadding a cryptographic moduleinstalling a cryptographic module from a jar filechanging the password on a token creating database files this example creates a set of security management database files in the specified directory: modutil -create -dbdir c:\databases the security module database tool displays a warning: warning: performing this operation while communicator is running couldcause corruption of your security databases.
...oken firmware version: 0.0access: not write protectedlogin type: login requireduser pin: not initialized setting a default provider this example makes the specified module a default provider for the rsa, dsa, and rc2 security mechanisms: modutil -default "cryptographic module" -dbdir c:\databases -mechanisms rsa:dsa:rc2 the security module database tool displays a warning: warning: performing this operation while communicator is running couldcause corruption of your security databases.
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Hacking Tips
nfo for the jitted code, you will need to tell gdb that you are looking at arm code: (gdb) set arm force-mode arm or you can wrap the x command in your own command: def xi set arm force-mode arm eval "x/%di %d", $arg0, $arg1 set arm force-mode auto end printing asm.js/wasm generated assembly code (from gdb) set a breakpoint on js::wasm::instance::callexport (defined in wasminstance.cpp as of november 18th 2016).
... one tip is to start looking at a script with an inverted js stack to locate the most expensive js function, then to focus on the frame of this js function, and to remove the inverted stack and look at c++ part of this function to determine from where the cost is coming from.
...this will remove entries that took only a minor time (=entries that will only show up with les than 1px).
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Secure Development Guidelines
ize = size; printf("0x%08x\r\n", new_size); } casting issues: sign extension prevention be careful with signed integers use unsigned integers for sizes, offsets, and indexes denial of service: divide by zero example: int main() { int a, b; if (argc != 3) return 1; a = atoi(argv[1]); b = atoi(argv[2]); return a/b; } denial of service: divide int_min by -1 example: int main(int argc, char **argv) { int a, b; if (argc != 3) return 1; a = atoi(argv[1]); b = atoi(argv[2]); return b ?
... a/b : 0; } writing secure code: memory management string handling c-style strings are byte arrays that end with a \0 byte some string handling functions won’t perform any kind of length checking, so don’t use them ensure your string is always \0 terminated!
... unlock(locka); unlock(lockb); } writing secure code: good coding practices banned api list badly designed apis can often lead to vulnerabilities it’s too easy to use the api inappropriately for example, consider the libc string handling apis strcpy() performs no bounds checking strncpy() doesn’t always 0-terminate strncat() length parameter is very confusing banned api list examples of incorrect strncat usage buffer overflow strncat(buffer, string, sizeof(buffer)); off-by-one strncat(buffer, string, sizeof(buffer) – strlen(string)); correct usage strncat(buffer, string, sizeof(buffer) – strlen(string) – 1)); banned api list: recommendations creat...
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nsDependentCString
class declaration nstdependentstring_chart stores a null-terminated, immutable sequence of characters.
... compare equalsignorecase tofloat tointeger mid left right setcharat stripchars stripwhitespace replacechar replacesubstring trim compresswhitespace assignwithconversion appendwithconversion appendint appendfloat beginreading endreading beginwriting endwriting data length isempty isvoid isterminated charat operator[] first last countchar findchar equals equalsascii equalsliteral(const char equalsliteral(char lowercaseequalsascii lowercaseequalsliteral(const char lowercaseequalsliteral(char assign assignascii assignliteral(const char assignliteral(char adopt replace replaceascii append appendascii ...
...char* end a pointer to the string's null terminator.
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nsICache
access granted - you can read the descriptor to determine if it's valid, you may write if it needs updating.
... store_anywhere 0 the storage policy of a cache entry determines the device(s) to which it belongs.
...the cache service decides which cache device to use based on "some resource management calculation." store_in_memory 1 the storage policy of a cache entry determines the device(s) to which it belongs.
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nsIScrollable
gecko 29.0 (firefox 29.0 / thunderbird 29.0 / seamonkey 2.26) method overview long getcurscrollpos(in long scrollorientation); obsolete since gecko 29.0 long getdefaultscrollbarpreferences(in long scrollorientation); void getscrollbarvisibility(out boolean verticalvisible, out boolean horizontalvisible); void getscrollrange(in long scrollorientation, out long minpos, out long maxpos); obsolete since gecko 29.0 void setcurscrollpos(in long scrollorientation, in long curpos); obsolete since gecko 29.0 void setcurscrollposex(in long curhorizontalpos, in long curverticalpos); obsolete since gecko 29.0 void setdefaultscrollbarpreferences(in long scrollorientation, in long scrollbarpref); void setscrollrange(in long scrollori...
...entation, in long minpos, in long maxpos); obsolete since gecko 29.0 void setscrollrangeex(in long minhorizontalpos, in long maxhorizontalpos, in long minverticalpos, in long maxverticalpos); obsolete since gecko 29.0 constants scroll orientations scroll orientations a scrollbar can be in.
... getscrollrange() obsolete since gecko 29.0 (firefox 29.0 / thunderbird 29.0 / seamonkey 2.26) void getscrollrange( in long scrollorientation, out long minpos, out long maxpos ); parameters scrollorientation an integer representing the orientation of the scrollbar.
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Drawing and Event Handling - Plugins
« previousnext » this chapter tells how to determine whether a plug-in instance is windowed or windowless, how to draw and redraw plug-ins, and how to handle plug-in events.
... when it comes to determining the way a plug-in instance appears in a web page, you (and the web page author) have many options.
... the content provider who writes the web page determines its display mode: whether the plug-in is embedded, or displayed in its own separate page.
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Debugger - Firefox Developer Tools
this function should return a resumption value, which determines how the debuggee should continue.
... an html5 windowproxy object (an “outer window”, in firefox terminology), which is treated as if the window object of the browsing context’s active document (the “inner window”) were passed.
...whether such sources appear can be affected by the garbage collector’s behavior, so this function’s result is not entirely deterministic.
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Network request details - Firefox Developer Tools
the tabs at the top of this pane enable you to switch between the following pages: headers messages (only for websocket items) cookies params response cache timings security (only for secure pages) stack trace (only when the request has a stack trace, e.g.
...if you select copy all, the entire header is copied in json format, giving you something like this (after running the results through a json validator): { "response headers (1.113 kb)": { "headers": [ { "name": "accept-ranges", "value": "bytes" }, { "name": "age", "value": "0" }, { "name": "backend-timing", "value": "d=74716 t=1560258099074460" }, { "name": "cache-control", "value": "private, must-revalidate, max-age=0" }, { "name": "content-disposition", "value": "inline; filename=api-result.js" }, { "name": "content-encoding", "value": "gzip" }, { "name": "content-length", "va...
...see https://en.wikipedia.org/wiki/special:centralautologin/p3p for more info.\"" }, { "name": "server", "value": "mw1316.eqiad.wmnet" }, { "name": "server-timing", "value": "cache;desc=\"pass\"" }, { "name": "strict-transport-security", "value": "max-age=106384710; includesubdomains; preload" }, { "name": "vary", "value": "accept-encoding,treat-as-untrusted,x-forwarded-proto,cookie,authorization,x-seven" }, { "name": "via", "value": "1.1 varnish (varnish/5.1), 1.1...
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Introduction to the DOM - Web APIs
the document object model (dom) is a programming interface for html and xml documents.
...that way, programming languages can connect to the page.
...the dom is not a programming language, but without it, the javascript language wouldn't have any model or notion of web pages, html documents, xml documents, and their component parts (e.g.
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Drag Operations - Web APIs
for example, setting the effectallowed property to copymove allows a copy or move operation but prevents the user from performing a link operation.
... within the drop and dragend events, you can check the dropeffect property to determine which effect was ultimately chosen.
...you can use the event's clientx and clienty properties as with other mouse events to determine the location of the mouse pointer.
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Intersection Observer API - Web APIs
it should operate as quickly as possible; if anything time-consuming needs to be done, use window.requestidlecallback().
...this rectangle is determined like this: if the intersection root is the implicit root (that is, the top-level document), the root intersection rectangle is the viewport's rectangle.
...this lets you determine whether the entry represents a transition from the elements intersecting to no longer intersecting or a transition from not intersecting to intersecting.
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Capabilities, constraints, and settings - Web APIs
figuring this out has often been difficult, and has usually involved looking at some combination of which user agent (or browser) you're running on, which version it is, looking to see if certain objects exist, trying to see whether various things work or not and determining what errors occur, and so forth.
...the constraint exerciser lets you experiment with the results of different constraint sets being applied to the audio and video tracks coming from the computer's a/v input devices (such as its webcam and microphone).
... once the script knows whether the property or properties it wishes to use are supported, it can then check the capabilities of the api and its implementation by examining the object returned by the track's getcapabilities() method; this object lists each supported constraint and the values or range of values which are supported.
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USBDevice - Web APIs
usbdevice.deviceversionminor read only the minor version number of the device in a semantic versioning scheme.
... usbdevice.deviceversionsubminor read only the patch version number of the device in a semantic versioning scheme.
...the other two properties are usbdevice.usbversionminor and usbdevice.usbversionsubminor.
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Using textures in WebGL - Web APIs
turn off mips and set // wrapping to clamp to edge gl.texparameteri(gl.texture_2d, gl.texture_wrap_s, gl.clamp_to_edge); gl.texparameteri(gl.texture_2d, gl.texture_wrap_t, gl.clamp_to_edge); gl.texparameteri(gl.texture_2d, gl.texture_min_filter, gl.linear); } }; image.src = url; return texture; } function ispowerof2(value) { return (value & (value - 1)) == 0; } the loadtexture() routine starts by creating a webgl texture object texture by calling the webgl createtexture() function.
...gl.texparameteri(gl.texture_2d, gl.texture_min_filter, gl.linear); // prevents s-coordinate wrapping (repeating).
...without performing the above configuration, webgl requires all samples of npot textures to fail by returning transparent black: rgba(0,0,0,0).
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Migrating from webkitAudioContext - Web APIs
new engines implementing the web audio spec (such as gecko) will only implement the official, final version of the specification, which means that code using webkitaudiocontext or old naming conventions in the web audio specification may not immediately work out of the box in a compliant web audio implementation.
... renaming of audioparam.settargetvalueattime the settargetvalueattime() method on the audioparam interface has been renamed to settargetattime().
... changes to determining playback state the playbackstate attribute of audiobuffersourcenode and oscillatornode has been removed.
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Using Web Workers - Web APIs
terminating a worker if you need to immediately terminate a running worker from the main thread, you can do so by calling the worker's terminate method: myworker.terminate(); the worker thread is killed immediately.
... about thread safety the worker interface spawns real os-level threads, and mindful programmers may be concerned that concurrency can cause “interesting” effects in your code if you aren't careful.
...steners and help us communicate with the worker: function queryableworker(url, defaultlistener, onerror) { var instance = this, worker = new worker(url), listeners = {}; this.defaultlistener = defaultlistener || function() {}; if (onerror) {worker.onerror = onerror;} this.postmessage = function(message) { worker.postmessage(message); } this.terminate = function() { worker.terminate(); } } then we add the methods of adding/removing listeners: this.addlisteners = function(name, listener) { listeners[name] = listener; } this.removelisteners = function(name) { delete listeners[name]; } here we let the worker handle two simple operations for illustration: getting the difference of two numbers and making an alert after th...
...And 5 more matches

max-block-size - CSS: Cascading Style Sheets
this is useful because the max-width is always used for horizontal sizes and max-height is always used for vertical sizes, and if you need to set lengths based on the size of your text content, you need to be able to do so with the writing direction in mind.
... syntax /* <length> values */ max-block-size: 300px; max-block-size: 25em; /* <percentage> values */ max-block-size: 75%; /* keyword values */ max-block-size: auto; max-block-size: max-content; max-block-size: min-content; max-block-size: fit-content(20em); /* global values */ max-block-size: inherit; max-block-size: initial; max-block-size: unset; values the max-block-size property's value can be any value that's legal for the max-width and max-height properties: <length> defines the max-width as an absolute value.
... min-content the intrinsic minimum max-width.
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max-width - CSS: Cascading Style Sheets
it prevents the used value of the width property from becoming larger than the value specified by max-width.
... max-width overrides width, but min-width overrides max-width.
... syntax /* <length> value */ max-width: 3.5em; /* <percentage> value */ max-width: 75%; /* keyword values */ max-width: none; max-width: max-content; max-width: min-content; max-width: fit-content(20em); /* global values */ max-width: inherit; max-width: initial; max-width: unset; values <length> defines the max-width as an absolute value.
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transition-duration - CSS: Cascading Style Sheets
v class="box">lorem</div> </div> .parent { width: 250px; height:125px;} .box { width: 100px; height: 100px; background-color: red; font-size: 20px; left: 0px; top: 0px; position:absolute; -webkit-transition-property: width height background-color font-size left top transform -webkit-transform color; -webkit-transition-duration:0.5s; -webkit-transition-timing-function: ease-in-out; transition-property: width height background-color font-size left top transform -webkit-transform color; transition-duration:0.5s; transition-timing-function: ease-in-out; } .box1{ transform: rotate(270deg); -webkit-transform: rotate(270deg); width: 50px; height: 50px; background-color: blue; color: yellow; font-size: 18px; left:...
... 150px; top:25px; position:absolute; -webkit-transition-property: width height background-color font-size left top transform -webkit-transform color; -webkit-transition-duration:0.5s; -webkit-transition-timing-function: ease-in-out; transition-property: width height background-color font-size left top transform -webkit-transformv color; transition-duration:0.5s; transition-timing-function: ease-in-out; } function updatetransition() { var el = document.queryselector("div.box"); if (el) { el.classname = "box1"; } else { el = document.queryselector("div.box1"); el.classname = "box"; } return el; } var intervalid = window.setinterval(updatetransition, 7000); transition-duration: 1s <div class="parent"> <div class="box">lorem</...
...div> </div> .parent { width: 250px; height:125px;} .box { width: 100px; height: 100px; background-color: red; font-size: 20px; left: 0px; top: 0px; position:absolute; -webkit-transition-property: width height background-color font-size left top -webkit-transform color; -webkit-transition-duration:1s; -webkit-transition-timing-function: ease-in-out; transition-property: width height background-color font-size left top transform color; transition-duration:1s; transition-timing-function: ease-in-out; } .box1{ transform: rotate(270deg); -webkit-transform: rotate(270deg); width: 50px; height: 50px; background-color: blue; color: yellow; font-size: 18px; left: 150px; top:25px; position:absolute; -web...
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Array.prototype.indexOf() - JavaScript
syntax arr.indexof(searchelement[, fromindex]) parameters searchelement element to locate in the array.
... fromindex optional the index to start the search at.
...this algorithm matches the one specified in ecma-262, 5th edition, assuming typeerror and math.abs() have their original values.
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Array.prototype.lastIndexOf() - JavaScript
the array is searched backwards, starting at fromindex.
... syntax arr.lastindexof(searchelement[, fromindex]) parameters searchelement element to locate in the array.
... fromindex optional the index at which to start searching backwards.
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Date.prototype.setHours() - JavaScript
syntax dateobj.sethours(hoursvalue[, minutesvalue[, secondsvalue[, msvalue]]]) versions prior to javascript 1.3 dateobj.sethours(hoursvalue) parameters hoursvalue ideally, an integer between 0 and 23, representing the hour.
... minutesvalue optional.
... ideally, an integer between 0 and 59, representing the minutes.
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Intl.NumberFormat() constructor - JavaScript
s are: "symbol" to use a localized currency symbol such as €, this is the default value, "narrowsymbol" to use a narrow format symbol ("$100" rather than "us$100"), "code" to use the iso currency code, "name" to use a localized currency name such as "dollar", currencysign in many locales, accounting format means to wrap the number with parentheses instead of appending a minus sign.
... the following properties fall into two groups: minimumintegerdigits, minimumfractiondigits, and maximumfractiondigits in one group, minimumsignificantdigits and maximumsignificantdigits in the other.
... minimumintegerdigits the minimum number of integer digits to use.
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Math.random() - JavaScript
the returned value is no lower than (and may possibly equal) min, and is less than (and not equal) max.
... function getrandomarbitrary(min, max) { return math.random() * (max - min) + min; } getting a random integer between two values this example returns a random integer between the specified values.
... the value is no lower than min (or the next integer greater than min if min isn't an integer), and is less than (but not equal to) max.
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Math.random() - JavaScript
the returned value is no lower than (and may possibly equal) min, and is less than (and not equal) max.
... function getrandomarbitrary(min, max) { return math.random() * (max - min) + min; } getting a random integer between two values this example returns a random integer between the specified values.
... the value is no lower than min (or the next integer greater than min if min isn't an integer), and is less than (but not equal to) max.
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Number - JavaScript
number.min_safe_integer the minimum safe integer in javascript (-(253 - 1)).
... number.min_value the smallest positive representable number—that is, the positive number closest to zero (without actually being zero).
... static methods number.isnan() determine whether the passed value is nan.
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Promise - JavaScript
states and fates contains more details about promise terminology.
...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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Codecs used by WebRTC - Web media technologies
unless the sdp specifically signals otherwise, the web browser receiving a webrtc video stream must be able to handle video at at least 20 fps at a minimum resolution of 320 pixels wide by 240 pixels tall.
...cb is a subset of the main profile, and is specifically designed for low-complexity, low-delay applications such as mobile video and videoconferencing, as well as for platforms with lower performing video processing capabilities.
... note: the list above indicates the minimum required set of codecs that all webrtc-compatible endpoints are required to implement.
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Performance fundamentals - Web Performance
a television probably looks choppy and unrealistic to a hummingbird, for example.
...in service of meeting upp goals, the system must use only the minimum power required.
...pixel buffers painted by both gecko "automatically" and applications to canvas "manually" minimize copies when being drawn to the display framebuffer.
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<symbol> - SVG: Scalable Vector Graphics
all instances of our symbol --> <use xlink:href="#mydot" x="5" y="5" style="opacity:1.0" /> <use xlink:href="#mydot" x="20" y="5" style="opacity:0.8" /> <use xlink:href="#mydot" x="35" y="5" style="opacity:0.6" /> <use xlink:href="#mydot" x="50" y="5" style="opacity:0.4" /> <use xlink:href="#mydot" x="65" y="5" style="opacity:0.2" /> </svg> attributes height this attribute determines the height of the symbol.
... value type: (none| xminymin| xmidymin| xmaxymin| xminymid| xmidymid| xmaxymid| xminymax| xmidymax| xmaxymax) (meet|slice)?
... ; default value: xmidymid meet; animatable: yes refx this attribute determines the x coordinate of the reference point of the symbol.
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Paths - SVG: Scalable Vector Graphics
each of the commands is instantiated (for example, creating a class, naming and locating it) by a specific letter.
...it requires one control point which determines the slope of the curve at both the start point and the end point.
...this rotates the ellipse so that it is aligned with its minor axis along the path direction, as shown by the second ellipse in the example image.
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Index - XPath
it can also be used to test addressed nodes within a document to determine whether they match a pattern or not.
... 2 axes transforming_xml_with_xslt, xpath, xpath_reference, xslt, xslt_reference for further information on using xpath expressions, please see the for further reading section at the end of transforming xml with xslt document.
... 17 functions transforming_xml_with_xslt, xpath, xpath_reference, xslt, xslt_reference no summary!
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Compiling a New C/C++ Module to WebAssembly - WebAssembly
take a copy of the following simple c example, and save it in a file called hello.c in a new directory on your local drive: #include <stdio.h> int main(int argc, char ** argv) { printf("hello world\n"); } now, using the terminal window you used to enter the emscripten compiler environment, navigate to the same directory as your hello.c file, and run the following command: emcc hello.c -s wasm=1 -o hello.html the options we’ve passed in with the command are as follows: -s wasm=1 — specifies that we want wasm output.
... first of all, save the following c code in a file called hello2.c, in a new directory: #include <stdio.h> int main(int argc, char ** argv) { printf("hello world\n"); } search for the file shell_minimal.html in your emsdk repo.
... now navigate into your new directory (again, in your emscripten compiler environment terminal window), and run the following command: emcc -o hello2.html hello2.c -o3 -s wasm=1 --shell-file html_template/shell_minimal.html the options we've passed are slightly different this time: we've specified -o hello2.html, meaning that the compiler will still output the javascript glue code and .html.
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Enhanced Extension Installation - Archive of obsolete content
the composite datasource handles all read-only information requests, and when data must be written the extension manager determines the appropriate datasource to write and flush to.
...in situations where an item is not yet a member of one of the containers, type is inelegantly determined by checking for presence of a theme-only property on the item's install manifest rdf file.
... if the item is determined compatible by either of the above processes, a copy of the item's file is staged into the install location directory under a hierarchy like so: <staged-xpis>/guid/foo.xpi (where foo.xpi is the original file name of the file) since xpinstall cleans up the file it supplies when the install function returns.
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Appendix: What you should know about open-source software licenses - Archive of obsolete content
this can be briefly answered by the open source definition, which was determined by the open source initiative (osi).
... these conditions will vary from one license to the next, but the open source definition stipulates the following minimum conditions: the integrity of the author’s source code must be preserved; no discrimination may be made against individuals or organizations; no discrimination may be made based on field of endeavor; no additional licensing can be required when redistributing; license must not be specific to a product; license must not interfere with other software.
... the “no discrimination may be made against individuals or organizations” rule means that you cannot prohibit it from any particular country.
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CSS3 - Archive of obsolete content
new pseudo-classes: :target, :enabled and :disabled, :checked, :indeterminate, :root, :nth-child and :nth-last-child, :nth-of-type and :nth-last-of-type, :last-child, :first-of-type and :last-of-type, :only-child and :only-of-type,:empty, and :not.
... allow the styling of forms according their content using the css :indeterminate, :default, :valid, :invalid, :in-range, :out-of-range, :required, :optional, :read-only, and :read-write pseudo-classes and the ::value, ::choices, ::repeat-item, and ::repeat-index pseudo-elements.
... definition for viewport-relative length units: vw, vh, vmax, and vmin .
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Source code directories overview - Archive of obsolete content
introduction: common subdirectories a common naming scheme is used throughout the mozilla source trees.
...the third level is where the common naming scheme usually takes over.
...xpidl files have their own mini-language and processing tools.
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Migrate apps from Internet Explorer to Mozilla - Archive of obsolete content
the easiest way to eliminate the need to recode for a new browser is to abstract out functionality.
...the two browsers possess few core javascript differences; issues encountered are often timing related.
...per the ecmascript specification, getyear returns the year minus 1900, originally meant to return "98" for 1998.
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Anonymous Content - Archive of obsolete content
binding scopes are determined by the bound element that contains the binding responsible for the generation of the anonymous nodes.
... the scope of an element can be determined using the getbindingparent method on the documentxbl interface.
...the most derived binding in the chain with a template is the one used to determine if anonymous content should be generated.
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RDF Modifications - Archive of obsolete content
these are called when performing a lot of operations on a datasource.
...assuming that the 'obelisk' photo doesn't have a description already, adding the triple listed above should cause a new result to be available for this photo.
...next, the member statement is examined, and, in this situation, the builder fills in the known ?photo variable, and looks for a parent container containing this value.
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Box Model Details - Archive of obsolete content
more layout details the style properties such as min-width and max-height can be applied to any element.
...example 1 : source view <hbox flex="1"> <button label="left" style="min-width: 100px;" flex="1"/> <spacer flex="1"/> <button label="right" style="min-width: 100px;" flex="1"/> </hbox> in the example above, all three elements will resize themselves as they are all flexible.
... the two buttons indicate a minimum width of 100 pixels.
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textbox - Archive of obsolete content
attributes cols, decimalplaces, disabled, emptytext, hidespinbuttons, increment, label, max, maxlength, min, multiline, newlines, onblur, onchange, onfocus, oninput, placeholder, preference, readonly, rows, searchbutton, size, spellcheck, tabindex, timeout, type, value, wrap, wraparound properties accessibletype, clickselectsall, decimalplaces, decimalsymbol, defaultvalue, disabled, editor, emptytext, increment, inputfield, label, max, maxlength, min, placeholder, readonly, searchbutton, selection...
... min type: integer the minimum value the textbox's value may take.
...there are several attributes that allow the number textbox to be configured, including decimalplaces, min, max, increment, wraparound, hidespinbuttons, and textbox.value.
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Gecko Compatibility Handbook - Archive of obsolete content
this way you can test your site on the aol client from behind your firewall, provided that your network administrators will open these ports.
... use perl's head utitility to determine the actual mime type being used by the web server.
... the web server administrator needs to upgrade the ssl software.
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Mozilla release FAQ - Archive of obsolete content
gemini was a previous rendering engine project, renamed nglayout aurora is the navigation center in mozilla and navigator5 seamonkey refers to versions of mozilla based on xpfe and nglayout normandy refers to the mail/news branch of mozilla what are all these acronyms people are using in the newsgroup?
...when i try to use cvs on windows, i get an error about no home directory you need to set the home environment variable to a valid directory, as cvs was designed with unix in mind, and wants to put a file in your home directory (the password file) i'm on a unix system, and still am having problems building here's a brief guide to common build problems: cc1: invalid option 'foo' cc: no such file or directory 'foo' these are almost always caused by your platform-specific makefile being incorrect for your system, either because you're not using the compiler that you're expe...
...please send stats to me in the following format: cpu/mhz, architecture, ram, disk type, os version, compiler version, build type, tree date -- build time example: 21164/533, alpha, 512m edo, ultra2 scsi, linux kernel 2.2.11, gcc 2.95, non-debug, 19 august 1999 cvs -- 25 minutes how do i run the binary on unix?
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Back to the Server: Server-Side JavaScript On The Rise - Archive of obsolete content
there are currently two main javascript engines used server-side and both are from the minds at mozilla: mozilla rhino and mozilla spidermonkey.
... id: 1 first_name: sammy last_name: hamm department: it title: network administrator ---------- id: 2 first_name: nigel last_name: bitters department: finance title: accounting manager ...
... e4x (ecmascript for xml) is an extension of javascript which provides direct support for xml, greatly simplifying the process of consuming xml via javascript.
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Plug-in Development Overview - Gecko Plugin API Reference
it determines which plug-ins are installed and which types they support through a combination of user preferences that are private to the browser, the contents of the plug-ins directory, or the registry on windows.
... a mime type is made up of a major type (such as application or image) and a minor type, for example, image/jpeg.
... to determine the mime types and file extensions that the plug-in handles, the browser normally uses the content of the registry entries for the plug-in described below in installation using the registry.
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MDN Web Docs Glossary: Definitions of Web-related terms
authority certified challenge-response authentication character character encoding character set chrome cia cipher cipher suite ciphertext class client hints closure cms code splitting codec compile compile time computer programming conditional constant constructor continuous media control flow cookie copyleft cors cors-safelisted request header cors-safelisted response header crawler crlf cross axis cross-site scripting crud cryptanalysis cryptographic hash function ...
...al of service descriptor (css) deserialization developer tools dhtml digest digital certificate distributed denial of service dmz dns doctype document directive document environment dom (document object model) domain domain name domain sharding dominator dos attack dtls (datagram transport layer security) dtmf (dual-tone multi-frequency signaling) dynamic programming language dynamic typing e ecma ecmascript effective connection type element empty element encapsulation encryption endianness engine ...
... gonk google chrome gpl gpu graceful degradation grid grid areas grid axis grid cell grid column grid container grid lines grid row grid tracks guard gutters gzip compression h hash head high-level programming language hmac hoisting host hotlink houdini hpkp hsts html html5 http http header http/2 http/3 https hyperlink hypertext i i18n iana icann ice ide idempotent identifier ...
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Responsive design - Learn web development
@media screen and (min-width: 800px) { .container { margin: 1em 2em; } } you can add multiple media queries within a stylesheet, tweaking your whole layout or parts of it to best suit the various screen sizes.
... in the early days of responsive design, our only option for performing layout was to use floats.
... .container { column-count: 3; } if you instead specify a column-width, you are specifying a minimum width.
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How CSS is structured - Learn web development
previous overview: first steps next now that you are beginning to understanding the purpose and use of css, let's examine the structure of css.
... applying css to html first, let's examine three methods of applying css to a document: with an external stylesheet, with an internal stylesheet, and with inline styles.
...in the case of the calc() example above, the values define the width of this box to be 90% of the containing block width, minus 30 pixels.
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Sending form data - Learn web development
prerequisites: basic computer literacy, an understanding of html, and basic knowledge of http and server-side programming.
... note: to get a better idea of how client-server architectures work, read our server-side website programming first steps module.
...the action value should be a file on the server that can handle the incoming data, including ensuring server-side validation.
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HTML table basics - Learn web development
a table allows you to quickly and easily look up values that indicate some kind of connection between different types of data, for example a person and their age, or a day of the week, or the timetable for a local swimming pool.
...one thing you'll notice is that the table does look a bit more readable there — this is because the table you see above on this page has minimal styling, whereas the github version has more significant css applied.
... we won't focus on css in this module, but we have provided a minimal css stylesheet for you to use that will make your tables more readable than the default you get without any styling.
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Introduction to events - Learn web development
previous overview: building blocks next events are actions or occurrences that happen in the system you are programming, which the system tells you about so you can respond to them in some way if desired.
... objective: to understand the fundamental theory of events, how they work in browsers, and how events may differ in different programming environments.
... a series of fortunate events as mentioned above, events are actions or occurrences that happen in the system you are programming — the system produces (or "fires") a signal of some kind when an event occurs, and provides a mechanism by which an action can be automatically taken (that is, some code running) when the event occurs.
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Looping code - Learn web development
previous overview: building blocks next programming languages are very useful for rapidly completing repetitive tasks, from multiple basic calculations to just about any other situation where you've got a lot of similar items of work to complete.
...as well as being associated with popular breakfast cereals, roller coasters, and musical production, they are also a critical concept in programming.
... programming loops are all to do with doing the same thing over and over again — which is termed iteration in programming speak.
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Measuring performance - Learn web development
for example, you can use performance metrics to determine how your app performs in comparison to a competitor or you can compare your app's performance across releases.
... you can use the navigation timing api to measure client-side web performance; including the amount of time needed to unload the previous page, how long domain lookups take, the total time spent executing the window's load handler, and more.
... the performance api, which provides access to performance-related information for the current page, includes the performance timeline api, the navigation timing api, the user timing api, and the resource timing api.
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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.
...this discussion is however still very relevant, because the described behaviour must be implemented by your server-side code, irrespective of which programming language or web framework you select.
...cookies contain session data about the client, including keys that the server can use to determine their login status and permissions/accesses to resources.
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Beginning our React todo list - Learn web development
prerequisites: familiarity with the core html, css, and javascript languages, knowledge of the terminal/command line.
... then, copy and paste the following commands into your terminal to delete some unneeded files.
... if you stopped your server to do the terminal tasks mentioned above, you’ll have to start it again using npm start.
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Starting our Svelte Todo list app - Learn web development
prerequisites: at minimum, it is recommended that you are familiar with the core html, css, and javascript languages, and have knowledge of the terminal/command line.
... you'll need a terminal with node + npm installed to compile and build your app.
...group"> <label for="todo-1" class="todo-label"> new name for 'create a svelte starter app' </label> <input type="text" id="todo-1" autocomplete="off" class="todo-text" /> </div> <div class="btn-group"> <button class="btn todo-cancel" type="button"> cancel <span class="visually-hidden">renaming create a svelte starter app</span> </button> <button class="btn btn__primary todo-edit" type="submit"> save <span class="visually-hidden">new name for create a svelte starter app</span> </button> </div> </form> </div> </li> <!-- todo-2 --> <li class="todo"> <div class="stack-small"> ...
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Styling Vue components with CSS - Learn web development
prerequisites: familiarity with the core html, css, and javascript languages, knowledge of the terminal/command line.
...for installation, and to use some of the more advanced features of vue (like single file components or render functions), you'll need a terminal with node + npm installed.
... line-height: 1.15; margin: 0; } button, input { /* 1 */ overflow: visible; } input[type="text"] { border-radius: 0; } body { width: 100%; max-width: 68rem; margin: 0 auto; font: 1.6rem/1.25 "helvetica neue", helvetica, arial, sans-serif; background-color: #f5f5f5; color: #4d4d4d; -moz-osx-font-smoothing: grayscale; -webkit-font-smoothing: antialiased; } @media screen and (min-width: 620px) { body { font-size: 1.9rem; line-height: 1.31579; } } /*end resets*/ next, in your src/main.js file, import the reset.css file like so: import './assets/reset.css'; this will cause the file to get picked up during the build step and automatically added to our site.
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Introduction to cross browser testing - Learn web development
we should explain a few bits of terminology here.
...this situation is a lot less bad than it used to be; back when ie4 and netscape 4 were competing to be the dominant browser in the 1990s, browser companies deliberately implemented things differently to each other to try to gain competitive advantage, which made life hell for developers.
... workflows for cross browser testing all of this cross browser testing business may sound time consuming and scary, but it needn't be — you just need to plan carefully for it, and make sure you do enough testing in the right places to make sure you don't run into unexpected problems.
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Strategies for carrying out testing - Learn web development
opera mini is also significant, but it isn't very capable in terms of running complex javascript at runtime, etc (see opera mini and javascript for more details).
... b grade: ie 8 and 9 for windows, opera mini.
... these test criteria are useful, because: they give you a set of steps to follow when you are performing tests.
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Setting up your own test automation environment - Learn web development
how you install and use webdriver depends on what programming environment you want to use to write and run your tests.
... paste the following into the bottom of your file (updating the path as it actually is on your machine): #add webdriver browser drivers to path export path=$path:/users/bob save and close this file, then restart your terminal/command prompt to reapply your bash configuration.
... check that your new paths are in the path variable by entering the following into your terminal: echo $path you should see it printed out in the terminal.
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Learn web development
frameworks and tooling: after mastering the essentials of vanilla html, css, and javascript, you should learn about client-side web development tools, and then consider digging into client-side javascript frameworks, and server-side website programming.
... note: our glossary provides terminology definitions.
... random glossary entry semantics in programming, semantics refers to the meaning of a piece of code — for example "what effect does running that line of javascript have?", or "what purpose or role does that html element have" (rather than "what does it look like?".) topics covered the following is a list of all the topics we cover in the mdn learning area.
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Multiple Firefox profiles
however, for those more adventurous, you can try one of the other three channels to see what is coming in firefox and play around with emerging features.
... mac os x multifirefox by dave martorana profile management determining the profile while firefox is running to determine the profile of a currently-running firefox instance in windows, macos or linux, type about:profiles into the browser url search bar.
... launching firefox into a desired profile although it is possible in some cases to have multiple instances of firefox running in different profiles, to avoid confusion, you might want to first exit/quit/terminate all running instances of firefox, firefox developer edition or nightly.
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Performance best practices for Firefox front-end engineers
always keep in mind the side effects your changes may have, from blocking other tasks, to interfering with other user interface elements.
...assuming there weren’t any style changes requiring size or position recalculation above line 1, the clientheight information should be cached since the last reflow, and will not result in a new layout calculation.
...unless transparency is involved, all but the last painting will be overwritten, becoming unnecessary.
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MathML Torture Test
ont" 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> ...
...> <msup> <mo>&part;</mo> <mn>2</mn> </msup> <mrow> <mo>&part;</mo> <msup> <mi>y</mi> <mn>2</mn> </msup> </mrow> </mfrac> <mo>)</mo> </mrow> <msup> <mrow> <mo minsize="150%">|</mo> <mi>&#x3c6; <!-- \varphi --></mi> <mo stretchy="false">(</mo> <mi>x</mi> <mo>+</mo> <mi mathvariant="normal">i</mi> <mi>y</mi> <mo stretchy="false">)</mo> <mo minsize="150%">|</mo> </mrow> <mn>2</mn> </msup> <mo>=</mo> ...
...frac><msqrt><mrow><mn>2</mn><mi>π</mi><mi>n</mi></mrow></msqrt><mrow><mi>n</mi><mo>!</mo></mrow></mfrac><msup><mrow><mo>(</mo><mfrac><mi>n</mi><mi>e</mi></mfrac><mo>)</mo></mrow><mi>n</mi></msup></mrow><mo>=</mo><mn>1</mn></math></td> </tr> <tr> <td>30</td> <td><img src="https://udn.realityripple.com/samples/d5/2cf8356a09.png" width="194" height="58" alt="leibniz formula for the determinant" /></td> <td><math display="block" xmlns="http://www.w3.org/1998/math/mathml"><mrow><mrow><mo lspace="0em" rspace="0em">det</mo><mo stretchy="false">(</mo><mi>a</mi><mo stretchy="false">)</mo></mrow><mo>=</mo><munder><mo>∑</mo><mrow><mi>σ</mi><mo>∊</mo><msub><mi>s</mi><mi>n</mi></msub></mrow></munder><mrow><mi>ϵ</mi><mo stretchy="false">(</mo><mi>σ</mi><mo stretchy="false">)</mo></m...
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Gecko Profiler FAQ
you need deterministic profiles that can be compared meaningfully, you need to gather enough data / samples, and you need a way to compare profiles.
... to increase determinism, you really want an automated way of gathering the data.
...in a difference call tree, each node’s weight instead is computed as <number of samples under this stack in the “after” profile> minus <number of samples under this stack in the “before” profile>.
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NSS tools : certutil
the minimum is 512 bits and the maximum is 16384 bits.
...any size between the minimum and maximum is allowed.
...express the offset in integers, using a minus sign (-) to indicate a negative offset.
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certutil
the minimum is 512 bits and the maximum is 8192 bits.
...any size between the minimum and maximum is allowed.
...express the offset in integers, using a minus sign (-) to indicate a negative offset.
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Animated PNG graphics
terminology the default image is the image described by the standard 'idat' chunks, and is the image that is displayed by decoders that do not support apng.
... 22 delay_den unsigned short frame delay fraction denominator.
...if the denominator is 0, it is to be treated as if it were 100 (that is, delay_num then specifies 1/100ths of a second).
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Mork
hex = [0-9a-fa-f]+ name = [a-za-z_?:] [a-za-z_?:+-]* value is a string terminated by ')' (not consumed) where '\' quotes the next metacharacter and '$' quotes the next two hexadecimal digits as a value (e.g., $20 is a space) the first line in the file is the header.
... some notes on further terminology: when referring to cells or aliases, the first component is the key and the second component is the value.
...the last important point about tables is the meaning of the minuses.
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nsDependentString
class declaration nstdependentstring_chart stores a null-terminated, immutable sequence of characters.
...ndcharinset equalsignorecase tofloat tointeger mid left right setcharat stripchars stripwhitespace replacechar replacesubstring trim compresswhitespace assignwithconversion appendwithconversion appendint appendfloat beginreading endreading beginwriting endwriting data length isempty isvoid isterminated charat operator[] first last countchar findchar equals equalsascii equalsliteral(const char equalsliteral(char lowercaseequalsascii lowercaseequalsliteral(const char lowercaseequalsliteral(char assign assignascii assignliteral(const char assignliteral(char adopt replace replaceascii append appendascii ...
...source parameters prunichar c nsastring_internal& operator=(const prunichar*) - source parameters prunichar* data nsastring_internal& operator=(const nsastring_internal&) - source parameters nsastring_internal& str nsastring_internal& operator=(const nssubstringtuple&) - source parameters nssubstringtuple& tuple get prunichar* get() const - source returns the null-terminated string find print32 find(const nscstring&, prbool, print32, print32) const - source search for the given substring within this string.
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Plug-in Development Overview - Plugins
it determines which plug-ins are installed and which types they support through a combination of user preferences that are private to the browser, the contents of the plug-ins directory, or the registry on windows.
... a mime type is made up of a major type (such as application or image) and a minor type, for example, image/jpeg.
... to determine the mime types and file extensions that the plug-in handles, the browser normally uses the content of the registry entries for the plug-in described below in installation using the registry.
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