nsIMacDockSupport
widget/nsimacdocksupport.idlscriptable provides access to the dock on mac os x.
... 1.0 66 introduced gecko 2.0 inherits from: nsimacdocksupport last changed in gecko 11.0 (firefox 11.0 / thunderbird 11.0 / seamonkey 2.8) implemented by: @mozilla.org/cookie-monster;1.
... to create an instance, use: var dock = components.classes["@mozilla.org/widget/macdocksupport;1"] .getservice(components.interfaces.nsimacdocksupport); see working with the mac os x dock for details and examples.
...And 4 more matches

nsISupports proxies
about xpcom proxies a proxy, in this context, is a stub object which enables a method of any class which is derived from nsisupports and has a typelib to be called on any in-process thread.
... the main reason for nsisupports proxies is that javascript and ui are on a single thread.
...herein lays the utility of nsisupports proxies.
...And 4 more matches

XRSystem: isSessionSupported() - Web APIs
the xrsystem method issessionsupported() returns a promise which resolves to true if the specified webxr session mode is supported by the user's webxr device.
... syntax var issupportedpromise = xr.issessionsupported(xrsessionmode) parameters xrsessionmode a domstring specifying the webxr session mode for which support is to be checked.
... return value a promise that resolves to true if the specified session mode is supported; otherwise the promise resolves to false.
...And 4 more matches

Debug.msUpdateAsyncCallbackRelation - Archive of obsolete content
the debug.msupdateasynccallbackrelation function updates the relationship status between a synchronous work item and the associated asynchronous operation.
... syntax debug.msupdateasynccallbackrelation(relatedasyncoperationid, relationtype) parameters relatedasyncoperationid the id associated with the asynchronous operation.
... requirements supported in the internet explorer 11 standards document mode.
...And 3 more matches

CSS.supports() - Web APIs
the css.supports() method returns a boolean value indicating if the browser supports a given css feature, or not.
... syntax css.supports(propertyname, value); css.supports(supportcondition); parameters there are two distinct sets of parameters.
... the first one allows to test the support of a pair property-value: propertyname a domstring containing the name of the css property to check.
...And 3 more matches

MediaDevices.getSupportedConstraints() - Web APIs
the getsupportedconstraints() method of the mediadevices interface returns an object based on the mediatracksupportedconstraints dictionary, whose member fields each specify one of the constrainable properties the user agent understands.
... syntax var supportedconstraints = navigator.mediadevices.getsupportedconstraints(); parameters none.
... return value a new object based on the mediatracksupportedconstraints dictionary listing the constraints supported by the user agent.
...And 3 more matches

MediaRecorder.isTypeSupported - Web APIs
the mediarecorder.istypesupported() static method returns a boolean which is true if the mime type specified is one the user agent should be able to successfully record.
... syntax var canrecord = mediarecorder.istypesupported(mimetype) parameters mimetype the mime media type to check.
...recording may still fail if there are insufficient resources to support the recording and encoding process.
...And 3 more matches

MediaTrackConstraints.noiseSuppression - Web APIs
the mediatrackconstraints dictionary's noisesuppression property is a constrainboolean describing the requested or mandatory constraints placed upon the value of the noisesuppression constrainable property.
... if needed, you can determine whether or not this constraint is supported by checking the value of mediatracksupportedconstraints.noisesuppression as returned by a call to mediadevices.getsupportedconstraints().
... noise suppression is typically provided by microphones, although it can be provided by other input sources as well.
...And 3 more matches

MediaTrackSettings.noiseSuppression - Web APIs
the mediatracksettings dictionary's noisesuppression property is a boolean value whose value indicates whether or not noise suppression technology is enabled on an audio track.
... this lets you determine what value was selected to comply with your specified constraints for this property's value as described in the mediatrackconstraints.noisesuppression property you provided when calling either getusermedia() or mediastreamtrack.applyconstraints().
... noise suppression automatically filters the audio to remove background noise, hum caused by equipment, and the like from the sound before delivering it to your code.
...And 3 more matches

MediaTrackSupportedConstraints.aspectRatio - Web APIs
the mediatracksupportedconstraints dictionary's aspectratio property is a read-only boolean value which is present (and set to true) in the object returned by mediadevices.getsupportedconstraints() if and only if the user agent supports the aspectratio constraint.
... if the constraint isn't supported, it's not included in the list, so this value will never be false.
... you can access the supported constraints dictionary by calling navigator.mediadevices.getsupportedconstraints().
...And 3 more matches

MediaTrackSupportedConstraints.channelCount - Web APIs
the mediatracksupportedconstraints dictionary's channelcount property is a read-only boolean value which is present (and set to true) in the object returned by mediadevices.getsupportedconstraints() if and only if the user agent supports the channelcount constraint.
... if the constraint isn't supported, it's not included in the list, so this value will never be false.
... you can access the supported constraints dictionary by calling navigator.mediadevices.getsupportedconstraints().
...And 3 more matches

MediaTrackSupportedConstraints.deviceId - Web APIs
the mediatracksupportedconstraints dictionary's deviceid property is a read-only boolean value which is present (and set to true) in the object returned by mediadevices.getsupportedconstraints() if and only if the user agent supports the deviceid constraint.
... if the constraint isn't supported, it's not included in the list, so this value will never be false.
... you can access the supported constraints dictionary by calling navigator.mediadevices.getsupportedconstraints().
...And 3 more matches

MediaTrackSupportedConstraints.echoCancellation - Web APIs
the mediatracksupportedconstraints dictionary's echocancellation property is a read-only boolean value which is present (and set to true) in the object returned by mediadevices.getsupportedconstraints() if and only if the user agent supports the echocancellation constraint.
... if the constraint isn't supported, it's not included in the list, so this value will never be false.
... you can access the supported constraints dictionary by calling navigator.mediadevices.getsupportedconstraints().
...And 3 more matches

MediaTrackSupportedConstraints.facingMode - Web APIs
the mediatracksupportedconstraints dictionary's facingmode property is a read-only boolean value which is present (and set to true) in the object returned by mediadevices.getsupportedconstraints() if and only if the user agent supports the facingmode constraint.
... if the constraint isn't supported, it's not included in the list, so this value will never be false.
... you can access the supported constraints dictionary by calling navigator.mediadevices.getsupportedconstraints().
...And 3 more matches

MediaTrackSupportedConstraints.frameRate - Web APIs
the mediatracksupportedconstraints dictionary's framerate property is a read-only boolean value which is present (and set to true) in the object returned by mediadevices.getsupportedconstraints() if and only if the user agent supports the framerate constraint.
... if the constraint isn't supported, it's not included in the list, so this value will never be false.
... syntax framerateconstraintsupported = supportedconstraintsdictionary.framerate; value this property is present in the dictionary if the user agent supports the framerate constraint.
...And 3 more matches

MediaTrackSupportedConstraints.groupId - Web APIs
the mediatracksupportedconstraints dictionary's groupid property is a read-only boolean value which is present (and set to true) in the object returned by mediadevices.getsupportedconstraints() if and only if the user agent supports the groupid constraint.
... if the constraint isn't supported, it's not included in the list, so this value will never be false.
... you can access the supported constraints dictionary by calling navigator.mediadevices.getsupportedconstraints().
...And 3 more matches

MediaTrackSupportedConstraints.height - Web APIs
the mediatracksupportedconstraints dictionary's height property is a read-only boolean value which is present (and set to true) in the object returned by mediadevices.getsupportedconstraints() if and only if the user agent supports the height constraint.
... if the constraint isn't supported, it's not included in the list, so this value will never be false.
... you can access the supported constraints dictionary by calling navigator.mediadevices.getsupportedconstraints().
...And 3 more matches

MediaTrackSupportedConstraints.latency - Web APIs
the mediatracksupportedconstraints dictionary's latency property is a read-only boolean value which is present (and set to true) in the object returned by mediadevices.getsupportedconstraints() if and only if the user agent supports the latency constraint.
... if the constraint isn't supported, it's not included in the list, so this value will never be false.
... you can access the supported constraints dictionary by calling navigator.mediadevices.getsupportedconstraints().
...And 3 more matches

MediaTrackSupportedConstraints.sampleRate - Web APIs
the mediatracksupportedconstraints dictionary's samplerate property is a read-only boolean value which is present (and set to true) in the object returned by mediadevices.getsupportedconstraints() if and only if the user agent supports the samplerate constraint.
... if the constraint isn't supported, it's not included in the list, so this value will never be false.
... you can access the supported constraints dictionary by calling navigator.mediadevices.getsupportedconstraints().
...And 3 more matches

MediaTrackSupportedConstraints.sampleSize - Web APIs
the mediatracksupportedconstraints dictionary's samplesize property is a read-only boolean value which is present (and set to true) in the object returned by mediadevices.getsupportedconstraints() if and only if the user agent supports the samplesize constraint.
... if the constraint isn't supported, it's not included in the list, so this value will never be false.
... you can access the supported constraints dictionary by calling navigator.mediadevices.getsupportedconstraints().
...And 3 more matches

MediaTrackSupportedConstraints.volume - Web APIs
the mediatracksupportedconstraints dictionary's volume property is a read-only boolean value which is present (and set to true) in the object returned by mediadevices.getsupportedconstraints() if and only if the user agent supports the volume constraint.
... if the constraint isn't supported, it's not included in the list, so this value will never be false.
... you can access the supported constraints dictionary by calling navigator.mediadevices.getsupportedconstraints().
...And 3 more matches

MediaTrackSupportedConstraints.width - Web APIs
the mediatracksupportedconstraints dictionary's width property is a read-only boolean value which is present (and set to true) in the object returned by mediadevices.getsupportedconstraints() if and only if the user agent supports the width constraint.
... if the constraint isn't supported, it's not included in the list, so this value will never be false.
... you can access the supported constraints dictionary by calling navigator.mediadevices.getsupportedconstraints().
...And 3 more matches

Node.isSupported() - Web APIs
the node.issupported()returns a boolean flag containing the result of a test whether the dom implementation implements a specific feature and this feature is supported by the specific node.
... syntax boolvalue = element.issupported(feature, version) parameters feature is a domstring containing the name of the feature to test.
...if the version is not specified, supporting any version of the feature will cause the method to return true.
...And 3 more matches

PushManager.supportedContentEncodings - Web APIs
the supportedcontentencodings read-only property of the pushmanager interface returns an array of supported content codings that can be used to encrypt the payload of a push message.
... syntax var encodings[] = pushmanager.supportedcontentencodings value an array of strings.
... specifications specification status comment push apithe definition of 'supportedcontentencodings' in that specification.
...And 3 more matches

Detecting CSS animation support - CSS: Cascading Style Sheets
testing for css animation support this code will check to see if css animation support is available: var animation = false, animationstring = 'animation', keyframeprefix = '', domprefixes = 'webkit moz o ms khtml'.split(' '), pfx = '', elem = document.createelement('div'); if( elem.style.animationname !== undefined ) { animation = true; } if( animation === false ) { for( var i = 0; i < domprefixes.length; i++ ) { ...
...we assume that animation is not supported by setting animation to false.
...this means the browser supports css animation without any prefix, which, to date, none of them do.
...And 3 more matches

Intl.Collator.supportedLocalesOf() - JavaScript
the intl.collator.supportedlocalesof() method returns an array containing those of the provided locales that are supported in collation without having to fall back to the runtime's default locale.
... syntax intl.collator.supportedlocalesof(locales[, options]) parameters locales a string with a bcp 47 language tag, or an array of such strings.
... return value an array of strings representing a subset of the given locale tags that are supported in collation without having to fall back to the runtime's default locale.
...And 3 more matches

Intl.DateTimeFormat.supportedLocalesOf() - JavaScript
the intl.datetimeformat.supportedlocalesof() method returns an array containing those of the provided locales that are supported in date and time formatting without having to fall back to the runtime's default locale.
... syntax intl.datetimeformat.supportedlocalesof(locales[, options]) parameters locales a string with a bcp 47 language tag, or an array of such strings.
... return value an array of strings representing a subset of the given locale tags that are supported in date and time formatting without having to fall back to the runtime's default locale.
...And 3 more matches

Intl.DisplayNames.supportedLocalesOf() - JavaScript
the intl.displaynames.supportedlocalesof() method returns an array containing those of the provided locales that are supported in date and time formatting without having to fall back to the runtime's default locale.
... syntax intl.displaynames.supportedlocalesof(locales[, options]) parameters locales a string with a bcp 47 language tag, or an array of such strings.
... return value an array of strings representing a subset of the given locale tags that are supported in date and time formatting without having to fall back to the runtime's default locale.
...And 3 more matches

Intl.ListFormat.supportedLocalesOf() - JavaScript
the intl.listformat.supportedlocalesof() method returns an array containing those of the provided locales that are supported in date and time formatting without having to fall back to the runtime's default locale.
... syntax intl.listformat.supportedlocalesof(locales[, options]) parameters locales a string with a bcp 47 language tag, or an array of such strings.
... return value an array of strings representing a subset of the given locale tags that are supported in date and time formatting without having to fall back to the runtime's default locale.
...And 3 more matches

Intl.NumberFormat.supportedLocalesOf() - JavaScript
the intl.numberformat.supportedlocalesof() method returns an array containing those of the provided locales that are supported in number formatting without having to fall back to the runtime's default locale.
... syntax intl.numberformat.supportedlocalesof(locales[, options]) parameters locales a string with a bcp 47 language tag, or an array of such strings.
... return value an array of strings representing a subset of the given locale tags that are supported in number formatting without having to fall back to the runtime's default locale.
...And 3 more matches

Intl.PluralRules.supportedLocalesOf() - JavaScript
the intl.pluralrules.supportedlocalesof() method returns an array containing those of the provided locales that are supported in plural formatting without having to fall back to the runtime's default locale.
... syntax intl.pluralrules.supportedlocalesof(locales[, options]) parameters locales a string with a bcp 47 language tag, or an array of such strings.
... return value an array of strings representing a subset of the given locale tags that are supported in plural formatting without having to fall back to the runtime's default locale.
...And 3 more matches

Intl.RelativeTimeFormat.supportedLocalesOf() - JavaScript
the intl.relativetimeformat.supportedlocalesof() method returns an array containing those of the provided locales that are supported in date and time formatting without having to fall back to the runtime's default locale.
... syntax intl.relativetimeformat.supportedlocalesof(locales[, options]) parameters locales a string with a bcp 47 language tag, or an array of such strings.
... return value an array of strings representing a subset of the given locale tags that are supported in date and time formatting without having to fall back to the runtime's default locale.
...And 3 more matches

Extensions support in SeaMonkey 2 - Archive of obsolete content
starting with seamonkey 2 alpha 1 seamonkey supports toolkit/-style extensions.
... the basics to support seamonkey 2 as a target application, you need to add it to the list of target applications in the extension's install.rdf file.
... the code for that will look something like this: <em:targetapplication> <!-- seamonkey --> <description> <em:id>{92650c4d-4b8e-4d2a-b7eb-24ecf4f6b63a}</em:id> <em:minversion>2.0</em:minversion> <em:maxversion>2.*</em:maxversion> </description> </em:targetapplication> the install.js is not supported any more and should be removed.
...And 2 more matches

Supporting private browsing mode - Archive of obsolete content
this interface is deprecated since firefox 20, and will probably be completely removed in firefox 21.see supporting per-window private browsing for details.
... detecting whether private browsing mode is permanent requires gecko 2.0(firefox 4 / thunderbird 3.3 / seamonkey 2.1) firefox 4 added support for having private browsing mode permanently enabled.
...rver(this, "quit-application"); this._os.removeobserver(this, "private-browsing"); } }, get inprivatebrowsing() { return this._inprivatebrowsing; }, get watcher() { return this._watcher; }, set watcher(val) { this._watcher = val; } }; of special note is the fact that this helper object is designed to not break on versions of firefox without private browsing support (those prior to firefox 3.5).
...And 2 more matches

Internationalized Domain Names (IDN) Support in Mozilla Browsers
introduction netscape 7.1 is the first commercial browser that has built-in support for internationalized domain name under the new ietf rfc's established in 2003.
...rfc's 3490, 3491, 3492.) these new rfc's now make it possible for domain name servers to register non-ascii domain names and application/client vendors to implement standardized support for handling non-ascii characters in domain names.
...it was shown to be language independent, superior in compression, compact in code size, round-trip safe, and superior for encoding chinese/japanese/korean characters.
...And 2 more matches

BasicCardRequest.supportedTypes - Web APIs
the obsolete supportedtypes property of the basiccardrequest dictionary can optionally be provided to specify an array of domstrings representing the card types that the retailer supports (e.g.
... syntax basiccardrequest.supportedtypes = [cardtype1...cardtypen]; value an array containing one or more domstrings, which describe the card types the retailer supports.
... legal values are defined in basiccardtype enum, and are currently: credit debit prepaid example the following example shows a sample definition of the first parameter of the paymentrequest() constructor, the data property of which contains supportednetworks and supportedtypes properties.
...And 2 more matches

CSSSupportsRule - Web APIs
the csssupportsrule interface describes an object representing a single css @supports at-rule.
... it implements the cssconditionrule interface, and therefore the cssrule and cssgroupingrule interfaces with a type value of 12 (cssrule.supports_rule).
... interface csssupportsrule : cssconditionrule { } properties as a cssconditionrule and therefore a cssrule and a cssgroupingrule, csssupportsrule also implements the properties of these interfaces.
...And 2 more matches

MediaTrackSupportedConstraints.cursor - Web APIs
the mediatracksupportedconstraints dictionary's cursor property indicates whether or not the cursor constraint is supported by the user agent and the device on which the content is being used.
... the supported constraints list is obtained by calling navigator.mediadevices.getsupportedconstraints().
... syntax iscursorsupported = supportedconstraints.cursor; value a boolean value which is true if the cursor constraint is supported by the device and user agent.
...And 2 more matches

MediaTrackSupportedConstraints.displaySurface - Web APIs
the mediatracksupportedconstraints dictionary's displaysurface property indicates whether or not the displaysurface constraint is supported by the user agent and the device on which the content is being used.
... the supported constraints list is obtained by calling navigator.mediadevices.getsupportedconstraints().
... syntax isdisplaysurfacesupported = supportedconstraints.displaysurface; value a boolean value which is true if the displaysurface constraint is supported by the device and user agent.
...And 2 more matches

MediaTrackSupportedConstraints.logicalSurface - Web APIs
the mediatracksupportedconstraints dictionary's logicalsurface property indicates whether or not the logicalsurface constraint is supported by the user agent and the device on which the content is being used.
... the supported constraints list is obtained by calling navigator.mediadevices.getsupportedconstraints().
... syntax islogicalsurfacesupported = supportedconstraints.logicalsurface; value a boolean value which is true if the logicalsurface constraint is supported by the device and user agent.
...And 2 more matches

<msubsup> - MathML
the mathml <msubsup> element is used to attach both a subscript and a superscript, together, to an expression.
... it uses the following syntax: <msubsup> base subscript superscript </msubsup>.
... superscriptshift the minimum space by which to shift the superscript above the baseline of the expression, as a length value.
...And 2 more matches

<msup> - MathML
the mathml <msup> element is used to attach a superscript to an expression.
... it uses the following syntax: <msup> base superscript </msup>.
... superscriptshift the minimum space by which to shift the superscript up from the baseline of the expression, as a length value.
...And 2 more matches

ECMAScript 5 support in Mozilla - Archive of obsolete content
the javascript runtime used in the latest versions of mozilla projects including both firefox and thunderbird has full support for ecmascript 5.1 features.
... this article covers the features supported by different versions of mozilla's javascript runtime.
... supported features added in javascript 1.8.5 (gecko 2, firefox 4 and later) firefox 4 has full ecmascript 5 support including the object.* methods and strict mode.
... added in javascript 1.8.1 (gecko 1.9.1, firefox 3.5) native json support object.getprototypeof() method.

nsIEditorMailSupport
editor/idl/nsieditormailsupport.idlscriptable provides simple editing actions for the thunderbird mail editor.
... inherits from: nsisupports last changed in gecko 1.7 method overview nsisupportsarray getembeddedobjects(); nsidomnode insertascitedquotation(in astring aquotedtext, in astring acitation, in boolean ainserthtml); nsidomnode insertasquotation(in astring aquotedtext); void inserttextwithquotations(in domstring astringtoinsert); void pasteascitedquotation(in astring acitation, in long aselectiontype); void pasteasquotation(in long aselectiontype); void rewrap(in boolean arespectnewlines); void stripcites(); methods getembeddedobjects() get a list of img and object tags in the current document.
... nsisupportsarray getembeddedobjects(); parameters none.
... return value an nsisupportsarray containing the img and object tags of the current document.

DOMTokenList.supports() - Web APIs
the supports() method of the domtokenlist interface returns true if a given token is in the associated attribute's supported tokens.
... this method is intended to support feature detection.
... syntax let trueorfalse = element.supports(token) parameters token a domstring containing the token to query for.
... example let iframe = document.getelementbyid('display'); if (iframe.sandbox.supports('an-upcoming-feature')) { // support code for mystery future feature } else { // fallback code } if (iframe.sandbox.supports('allow-scripts')) { // instruct frame to run javascript // // (note: this feature is well-supported; this is just an example!) // } specifications specification status comment credential management level 1 working draft initial definition.

Document.queryCommandSupported() - Web APIs
the document.querycommandsupported() method reports whether or not the specified editor command is supported by the browser.
... syntax issupported = document.querycommandsupported(command); parameters command the command for which to determine support.
... return value returns a boolean which is true if the command is supported and false if the command isn't.
... notes the 'paste' command return false not only if the feature is unavailable, but also if the script calling it has insufficient privileges to perform the action [1] example var flg = document.querycommandsupported("selectall"); if(flg) { // ...do something } specifications specification status comment execcommand ...

MediaSource.isTypeSupported() - Web APIs
the mediasource.istypesupported() static method returns a boolean value which is true if the given mime type is likely to be supported by the current user agent.
... syntax var isitsupported = mediasource.istypesupported(mimetype); parameters mimetype the mime media type that you want to test support for in the current browser.
... example the following snippet is from an example written by nick desaulniers (view the full demo live, or download the source for further investigation.) var asseturl = 'frag_bunny.mp4'; // need to be specific for blink regarding codecs // ./mp4info frag_bunny.mp4 | grep codec var mimecodec = 'video/mp4; codecs="avc1.42e01e, mp4a.40.2"'; if ('mediasource' in window && mediasource.istypesupported(mimecodec)) { var mediasource = new mediasource; //console.log(mediasource.readystate); // closed video.src = url.createobjecturl(mediasource); mediasource.addeventlistener('sourceopen', sourceopen); } else { console.error('unsupported mime type or codec: ', mimecodec); } function sourceopen (_) { //console.log(this.readystate); // open var mediasource = this; var sourcebuf...
...urcebuffer(mimecodec); fetchab(asseturl, function (buf) { sourcebuffer.addeventlistener('updateend', function (_) { mediasource.endofstream(); video.play(); //console.log(mediasource.readystate); // ended }); sourcebuffer.appendbuffer(buf); }); }; specifications specification status comment media source extensionsthe definition of 'istypesupported()' in that specification.

PaymentDetailsUpdate.error - Web APIs
the paymentdetailsupdate dictionary's error property is a human-readable domstring which provides an error message to be displayed if the specified information doesn't offer any valid shipping options.
... syntax errorstring = paymentdetailsupdate.error; paymentdetailsupdate.error = errorstring; value a domstring specifying the string to display to the user if the information specified in the paymentdetailsupdate doesn't provide any valid shipping options.
... the paymentdetailsupdate object specifies no valid shipping options in its shippingoptions list.
... specifications specification status comment payment request apithe definition of 'paymentdetailsupdate.error' in that specification.

PaymentDetailsUpdate - Web APIs
the paymentdetailsupdate dictionary is used to provide updated information to the payment user interface after it has been instantiated.
... this can be done either by calling the paymentrequestupdateevent.updatewith() method or by using the paymentrequest.show() method's detailspromise parameter to provide a promise that returns a paymentdetailsupdate that updates the payment information before the user interface is even enabled for the first time.
... properties the paymentdetailsupdate dictionary is based on the paymentdetailsbase dictionary, and inherits its properties, which are included in the list below.
... specifications specification status comment payment request apithe definition of 'paymentdetailsupdate' in that specification.

WebGLRenderingContext.getSupportedExtensions() - Web APIs
the webglrenderingcontext.getsupportedextensions() method returns a list of all the supported webgl extensions.
... syntax gl.getsupportedextensions(); return value an array of strings with all the supported webgl extensions.
... examples var canvas = document.getelementbyid('canvas'); gl = canvas.getcontext('webgl'); var extensions = gl.getsupportedextensions(); // array [ 'angle_instanced_arrays', 'ext_blend_minmax', ...
...e_atc webgl_compressed_texture_etc webgl_compressed_texture_etc1 webgl_compressed_texture_pvrtc webgl_compressed_texture_s3tc webgl_compressed_texture_s3tc_srgb webgl_debug_renderer_info webgl_debug_shaders webgl_depth_texture webgl_draw_buffers webgl_lose_context specifications specification status comment webgl 1.0the definition of 'webglrenderingcontext.getsupportedextensions' in that specification.

String.prototype.sup() - JavaScript
the sup() method creates a <sup> html element that causes a string to be displayed as superscript.
... syntax str.sup() return value a string containing a <sup> html element.
... description the sup() method embeds a string in a <sup> tag: "^str".
... examples using sub() and sup() methods the following example uses the sub() and sup() methods to format a string: var supertext = 'superscript'; var subtext = 'subscript'; console.log('this is what a ' + supertext.sup() + ' looks like.'); // "this is what a ^superscript looks like." console.log('this is what a ' + subtext.sub() + ' looks like.'); // "this is what a _subscript looks like." specifications specification ecmascript (ecma-262)the definition of 'string.prototype.sup' in that specification.

SVG 1.1 Support in Firefox - SVG: Scalable Vector Graphics
note: as of gecko 2.0, gecko supports svg animation using smil.
... there is also a description of the mozilla support of the changes in svg 2.
... element implementation status a quick overview of the svg 1.1 elements and the current status of the native support.
... document fragments (bug 455986) aren't supported in <svg:feimage>.

Script-supporting element - MDN Web Docs Glossary: Definitions of Web-related terms
in an html document, script-supporting elements are those elements that don't directly contribute to the appearance or layout of the page; instead, they're either scripts or contain information that's only used by scripts.
... there are only two script-supporting elements: <script> and <template>.
... technical reference to learn more, see script-supporting elements in kinds of html content.

nsISupportsWeakReference
inherits from: nsisupports last changed in gecko 1.7 method overview nsiweakreference getweakreference(); methods getweakreference() produces an appropriate instance of nsiweakreference.
... remarks the xpcom glue library provides nssupportsweakreference, a canonical implementation of nsisupportsweakreference.
... see also nsiweakreference nssupportsweakreference ...

File and Directory Entries API support in Firefox - Web APIs
the original file system api was created to let browsers implement support for accessing a sandboxed virtual file system on the user's storage device.
... firefox only supports reading from files in the file system.
... firefox doesn't support the "filesystem:" url scheme.

PaymentDetailsUpdate.shippingAddressErrors - Web APIs
the paymentdetailsupdate dictionary's shippingaddresserrors property, if present, contains an addresserrors object whose contents provide error messages for one or more of the values in the paymentaddress specified as paymentrequest.shippingaddress.
... syntax var addresserrors = paymentdetailsupdate.shippingaddresserrors; value an addresserrors object, which contains domstrings describing errors in the properties of a paymentaddress.
... specifications specification status comment payment request apithe definition of 'paymentdetailsupdate.shippingaddresserrors' in that specification.

StorageQuota.supportedTypes - Web APIs
the supportedtypes read-only property of the storagequota interface returns a list of the available storage types.
... syntax var storagetypes = storagequota.supportedtypes value a frozen array of available storage types.
... specifications specification status comment quota management apithe definition of 'supportedtypes' in that specification.

WEBGL_compressed_texture_astc.getSupportedProfiles() - Web APIs
the webgl_compressed_texture_astc.getsupportedprofiles() method returns an array of strings containing the names of the astc profiles supported by the implementation.
... syntax sequence<domstring> ext.getsupportedprofiles(); return value an array of domstring elements indicating which astc profiles are supported by the implementation.
... examples var ext = gl.getextension('webgl_compressed_texture_astc'); ext.getsupportedprofiles(); // ["ldr"] specifications specification status comment webgl_compressed_texture_astcthe definition of 'webgl_compressed_texture_astc' in that specification.

Handling media support issues in web content - Web media technologies
there is a drawback, however: because there are so many to choose from, with so many different kinds of licenses and design principles involved, each web browser developer is left to its own devices when deciding which media file types and codecs to support.
... poster frames for video progressive images images—whether embedded using <img> or <picture>—don't support a concept similar to poster frames.
... specifying multiple sources checking compatibility in javascript htmlmediaelement.canplaytype and mediasource.istypesupported...

xml:base support in old browsers - Archive of obsolete content
before using this code, check if your browser has native support for node.baseuri.
... these two functions aim to allow some support for xml:base.

Supporting per-window private browsing - Archive of obsolete content
to do this, observe the last-pb-context-exiting notification and set the data field of the nsisupportsprbool subject to true.
... var os = components.classes["@mozilla.org/observer-service;1"] .getservice(components.interfaces.nsiobserverservice); os.addobserver(function (asubject, atopic, adata) { asubject.queryinterface(components.interfaces.nsisupportsprbool); // if another extension has not already canceled entering the private mode if (!asubject.data) { /* you should display some user interface here */ asubject.data = true; // cancel the operation } }, "last-pb-context-exiting", false); forcing a channel into private mode usually, network channels inherit the privacy status of the document that created them, which means that they work correctly most of the time.

Updating an extension to support multiple Mozilla applications - Archive of obsolete content
this is done by adding new <targetapplication> tags to the install.rdf file, like this: <!-- describe the thunderbird versions we support --> <em:targetapplication> <description> <em:id>{3550f703-e582-4d05-9a08-453d09bdfdc6}</em:id> <em:minversion>1.5</em:minversion> <em:maxversion>2.0.0.*</em:maxversion> </description> </em:targetapplication> <!-- describe the sunbird versions we support --> <em:targetapplication> <description> <em:id> {718e30fb-e89b-41dd-9da...
...7-e25a45638b28}</em:id> <em:minversion>0.2</em:minversion> <em:maxversion>0.4.*</em:maxversion> </description> </em:targetapplication> these two blocks indicate that the extension supports thunderbird versions 1.5 through 2.0.0.x, sunbird versions 0.2 through 0.4.x.

CSS -moz-bool-pref() @supports function
the -moz-bool-pref() @supports condition is available to gecko chrome and ua stylesheets to check if a boolean preference is enabled.
...</div> css @supports -moz-bool-pref("test") { #pref-test { background: green; } } @supports not -moz-bool-pref("test") { #pref-test { background: red; } } result ...

nsIDispatchSupport
js/src/xpconnect/idl/nsidispatchsupport.idlnot scriptable please add a summary to this article.
... inherits from: nsisupports last changed in gecko 1.7 method overview void comvariant2jsval(in comvariantptr comvar, out jsval val); unsigned long gethostingflags(in string acontext); boolean isclassmarkedsafeforscripting(in nscidref cid, out boolean classexists); boolean isclasssafetohost(in jscontextptr cx, in nscidref cid, in boolean capscheck, out boolean classexists); boolean isobjectsafeforscripting(in voidptr theobject, in nsiidref id); void jsval2comvariant(in jsval var, out comvariant comvar); methods comvariant2jsval() converts a com variant to a jsval.

nsIEditorIMESupport
editor/idl/nsieditorimesupport.idlscriptable please add a summary to this article.
... inherits from: nsisupports last changed in gecko 2.0 (firefox 4 / thunderbird 3.3 / seamonkey 2.1) method overview void begincomposition(in nstexteventreplyptr areply); native code only!

nsISupports
xpcom/base/nsisupports.idlscriptable all xpcom interfaces inherit this interface.
...on win32 systems, nsisupports is abi-compatible with microsoft com's iunknown interface.

nsISupportsCString
xpcom/ds/nsisupportsprimitives.idlscriptable this interface provides scriptable access for ascii character strings.
... inherits from: nsisupportsprimitive last changed in gecko 1.2 method overview string tostring(); attributes attribute type description data acstring provides access to the native type represented by the object.

nsISupportsChar
xpcom/ds/nsisupportsprimitives.idlscriptable this interface provides scriptable access for single character values (often used to store an ascii character).
... inherits from: nsisupportsprimitive last changed in gecko 1.2 method overview string tostring(); attributes attribute type description data char provides access to the native type represented by the object.

nsISupportsDouble
xpcom/ds/nsisupportsprimitives.idlscriptable this interface provides scriptable access for double-precision floating-point values.
... inherits from: nsisupportsprimitive last changed in gecko 1.2 method overview string tostring(); attributes attribute type description data double provides access to the native type represented by the object.

nsISupportsFloat
xpcom/ds/nsisupportsprimitives.idlscriptable this interface provides scriptable access for single-precision floating-point values.
... inherits from: nsisupportsprimitive last changed in gecko 1.2 method overview string tostring(); attributes attribute type description data float provides access to the native type represented by the object.

nsISupportsID
xpcom/ds/nsisupportsprimitives.idlscriptable this interface provides scriptable access for boolean values.
... inherits from: nsisupportsprimitive last changed in gecko 1.2 method overview string tostring(); attributes attribute type description data nsidptr provides access to the native type represented by the object.

nsISupportsInterfacePointer
xpcom/ds/nsisupportsprimitives.idlscriptable this interface provides scriptable access for xpcom objects.
... inherits from: nsisupportsprimitive last changed in gecko 1.2 method overview string tostring(); attributes attribute type description data nsisupports provides access to the native type represented by the object.

nsISupportsPRBool
xpcom/ds/nsisupportsprimitives.idlscriptable this interface provides scriptable access for boolean values.
... inherits from: nsisupportsprimitive last changed in gecko 1.2 method overview string tostring(); attributes attribute type description data prbool provides access to the native type represented by the object.

nsISupportsPRInt16
xpcom/ds/nsisupportsprimitives.idlscriptable this interface provides scriptable access for 16-bit signed integers.
... inherits from: nsisupportsprimitive last changed in gecko 1.2 method overview string tostring(); attributes attribute type description data print16 provides access to the native type represented by the object.

nsISupportsPRInt32
xpcom/ds/nsisupportsprimitives.idlscriptable this interface provides scriptable access for 32-bit signed integers.
... 66 introduced gecko 1.0 inherits from: nsisupportsprimitive last changed in gecko 1.2 method overview string tostring(); attributes attribute type description data print32 provides access to the native type represented by the object.

nsISupportsPRInt64
xpcom/ds/nsisupportsprimitives.idlscriptable this interface provides scriptable access for 64-bit signed integers.
... inherits from: nsisupportsprimitive last changed in gecko 1.2 method overview string tostring(); attributes attribute type description data print64 provides access to the native type represented by the object.

nsISupportsPRTime
xpcom/ds/nsisupportsprimitives.idlscriptable this interface provides scriptable access for prtime values.
... inherits from: nsisupportsprimitive last changed in gecko 1.2 method overview string tostring(); attributes attribute type description data prtime provides access to the native type represented by the object.

nsISupportsPRUint16
xpcom/ds/nsisupportsprimitives.idlscriptable this interface provides scriptable access for 16-bit unsigned integers.
... inherits from: nsisupportsprimitive last changed in gecko 1.2 method overview string tostring(); attributes attribute type description data pruint16 provides access to the native type represented by the object.

nsISupportsPRUint32
xpcom/ds/nsisupportsprimitives.idlscriptable this interface provides scriptable access for 32-bit unsigned integers.
... inherits from: nsisupportsprimitive last changed in gecko 1.2 method overview string tostring(); attributes attribute type description data pruint32 provides access to the native type represented by the object.

nsISupportsPRUint64
xpcom/ds/nsisupportsprimitives.idlscriptable this interface provides scriptable access for 64-bit unsigned integers.
... inherits from: nsisupportsprimitive last changed in gecko 1.2 method overview string tostring(); attributes attribute type description data pruint64 provides access to the native type represented by the object.

nsISupportsPRUint8
xpcom/ds/nsisupportsprimitives.idlscriptable this interface provides scriptable access for 8-bit unsigned integers.
... inherits from: nsisupportsprimitive last changed in gecko 1.2 method overview string tostring(); attributes attribute type description data pruint8 provides access to the native type represented by the object.

nsISupportsPriority
xpcom/threads/nsisupportspriority.idlscriptable this interface exposes the general notion of a scheduled object with an integral priority value.
... 1.0 66 introduced gecko 1.8 inherits from: nsisupports last changed in gecko 1.8 (firefox 1.5 / thunderbird 1.5 / seamonkey 1.0) this interface does not strictly define what happens when the priority of an object is changed.

nsISupportsString
xpcom/ds/nsisupportsprimitives.idlscriptable this interface provides scriptable access for unicode character strings.
... inherits from: nsisupportsprimitive last changed in gecko 1.2 method overview string tostring(); attributes attribute type description data astring provides access to the native type represented by the object.

nsISupportsVoid
xpcom/ds/nsisupportsprimitives.idlscriptable this interface provides scriptable access for generic pointers.
... inherits from: nsisupportsprimitive last changed in gecko 1.0 method overview string tostring(); attributes attribute type description data voidptr this attribute provides access to the native type represented by the object.

nsIWebappsSupport
toolkit/components/webapps/nsiwebappssupport.idlscriptable please add a summary to this article.
... 1.0 66 introduced gecko 2.0 inherits from: nsisupports last changed in gecko 2.0 (firefox 4 / thunderbird 3.3 / seamonkey 2.1) method overview void installapplication(in wstring title, in wstring uri, in wstring iconuri, in wstring icondata); boolean isapplicationinstalled(in wstring uri); methods installapplication() this method installs a web application.

LDAP Support
this document is intended to "fill in the gaps" about how enterprise customers can leverage and customize ldap support in mozilla thunderbird.
...enname webpage1 workurl webpage2 homeurl birthyear birthyear custom1 custom1 custom2 custom2 custom3 custom3 custom4 custom4 notes notes notes description prefermailformat xmozillausehtmlmail lastmodifieddate modifytimestamp custom ldap attributes thunderbird supports custom ldap attributes for various address book attributes.

:-moz-suppressed - CSS: Cascading Style Sheets
the :-moz-suppressed css pseudo-class is a mozilla extension that matches elements representing images that were suppressed because loading images from the specified site has been blocked.
... syntax :-moz-suppressed examples styling elements that have been blocked :-moz-suppressed { background: yellow; padding: 8px; } specifications not part of any standard.

WAI ARIA Live Regions/API Support - Developer guides
these features will help screen reader developers improve the quality and performance of live region support, both for pages that are marked up with aria live region markup, and for pages where the author did not add any additional markup.
...retrieving author-supplied aria live region semantics from an event for any mutation event in a page, the author can get the following object attributes from the event object, if they are defined on some ancestor element (closest ancestor wins): object attribute name possible values default value if not specified meaning aria markup if required container-live "off" | "polite" | "assert...

415 Unsupported Media Type - HTTP
the http 415 unsupported media type client error response code indicates that the server refuses to accept the request because the payload format is in an unsupported format.
... status 415 unsupported media type specifications specification title rfc 7231, section 6.5.13: 415 unsupported media type hypertext transfer protocol (http/1.1): semantics and content ...

505 HTTP Version Not Supported - HTTP
the hypertext transfer protocol (http) 505 http version not supported response status code indicates that the http version used in the request is not supported by the server.
... status 505 http version not supported specifications specification title rfc 7231, section 6.6.6: 505 http version not supported hypertext transfer protocol (http/1.1): semantics and content ...

SVG 2 support in Mozilla - SVG: Scalable Vector Graphics
those changes are listed below including their support status within mozilla applications.
...mentation status unknown context-fill and context-stroke paint values implemented (bug 719286 (firefox 18.0 / thunderbird 18.0 / seamonkey 2.15) and bug 798843 (firefox 26.0 / thunderbird 26.0 / seamonkey 2.23)) child keyword for <paint> values and marker properties implementation status unknown vector-effect property only none and non-scaling-stroke values are supported (bug 528332 (firefox 15 / thunderbird 15 / seamonkey 2.12), bug 1318208) arcs value for stroke-linejoin not implemented (bug 1239142) auto-start-reverse value for <marker>'s orient attribute implemented (bug 879659) svgpaint removed implementation status unknown fill and stroke taking multiple paints implementation status unknown z-in...

suppressonselect - Archive of obsolete content
« xul reference home suppressonselect type: boolean if this attribute is not specified, a select event is fired whenever an item is selected, either by the user or by calling one of the select methods.

suppressOnSelect - Archive of obsolete content
« xul reference suppressonselect type: boolean gets and sets the value of the suppressonselect attribute.

Character sets supported by Gecko - Gecko Redirect 1
gecko supports the character encodings defined in the encoding standard.

Supported build targets
page moved to the in-tree documentation: https://firefox-source-docs.mozilla.org/build/buildsystem/supported-configurations.html ...

Supporting both TouchEvent and MouseEvent - Web APIs
consequently, even if a browser supports touch, the browser must still emulate mouse events so content that assumes mouse-only input will work as is without direct modification.

Reason: Credential is not supported if the CORS header ‘Access-Control-Allow-Origin’ is ‘*’ - HTTP
reason reason: credential is not supported if the cors header ‘access-control-allow-origin’ is ‘*’ what went wrong?

Index - Web APIs
121 audioconfiguration api, audio, audioconfiguration, experimental, interface, media capabilities api, reference, video the audioconfiguration dictionary of the media capabilities api defines the audio file being tested when calling mediacapabilities.encodinginfo() or mediacapabilities.decodinginfo() to query whether a specific audio configuration is supported, smooth, and/or power efficient.
... 202 audioworklet api, audio, audioworklet, experimental, interface, reference, web audio api, worklet the audioworklet interface of the web audio api is used to supply custom audio processing scripts.
... user-supplied code is run in the audioworkletglobalscope global execution context in a separate web audio rendering thread along with other nodes, allowing for zero-latency audio processing.
...And 212 more matches

Index - Archive of obsolete content
syntax highliting support for .htaccess files less.
... 6 navigator.moznotification api, deprecated, mobile, non-standard, property, reference provides support for creating notification objects, which are used to display desktop notification alerts to the user.
... currently, these are only supported on firefox mobile and firefox os.
...And 110 more matches

Index
this can create a difficult situation for extension developers trying to support multiple gecko versions (firefox 2 and 3, for example).
... 99 avoiding leaks in javascript xpcom components add-ons, developing mozilla, extensions, mozilla, needsupdate, obsolete, xpcom, xpcom:language bindings, xpconnect programmers writing and reviewing javascript code in mozilla should understand how code using xpcom in javascript can leak so that they can avoid leaks.
... 109 setting up the gecko sdk needsupdate, tutorial, xpcom this chapter provides basic setup information for the gecko software development kit (sdk) used to build the weblock component in this tutorial.
...And 75 more matches

Web video codec guide - Web media technologies
for each codec, the containers (file types) that can support them are also listed.
... codec name (short) full codec name container support av1 aomedia video 1 mp4, webm avc (h.264) advanced video coding 3gp, mp4, webm h.263 h.263 video 3gp hevc (h.265) high efficiency video coding mp4 mp4v-es mpeg-4 video elemental stream 3gp, mp4 mpeg-1 mpeg-1 part 2 visual mpeg, quicktime mpeg-2 mpeg-2 part 2 visual mp4, mpeg, quicktime theora theora ogg vp8 video processor 8 3gp, ogg, webm vp9 video processor 9 mp4, ogg, webm factors affe...
... av1 currently offers three profiles: main, high, and professional with increasing support for color depths and chroma subsampling.
...And 74 more matches

MathML Accessibility in Mozilla
this table below provides a list of mathml constructions and how they are read in mozilla applications for various platforms: windows: mathml support is provided by nvda, which actually delegates math reading to the proprietary mathplayer plugin.
... mac: mathml support is provided by voiceover.
...hence basic support is available in gecko 41.0 (firefox 41.0 / thunderbird 41.0 / seamonkey 2.38) and we are still trying to keep in sync with webkit/voiceover.
...And 67 more matches

Web audio codec guide - Web media technologies
additionally, webrtc implementations generally use a subset of these codecs for their encoding and decoding of media, and may support additional codecs as well, for optimal cross-platform support of video and audio conferencing, and to integrate better with legacy telecommunication solutions.
... common codecs the list below denotes the codecs most commonly used on the web and which containers (file types) support them.
...of course, individual browsers may or may not choose to support all of these codecs, and their support for which container types can use them may vary as well.
...And 57 more matches

IDBObjectStore - Web APIs
desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetidbobjectstorechrome full support 24 full support 24 no support 23 — 57prefixed prefixed implemented with the vendor prefix: webkitedge full support 12firefox full support 16 full support 16 ...
... no support 10 — 16prefixed prefixed implemented with the vendor prefix: mozie partial support 10opera full support 15safari full support 7webview android full support yes full support yes no support ?
... — 57prefixed prefixed implemented with the vendor prefix: webkitchrome android full support 25 full support 25 no support 25 — 57prefixed prefixed implemented with the vendor prefix: webkitfirefox android full support 22opera android full support 14safari ios full support 8samsung internet android full support 1.5 full support 1.5 no support 1.5 — 7.0prefixed prefixed implemented with the vendor prefix: webkitaddchrome ...
...And 56 more matches

Index
found 353 pages: # page tags and summary 1 network security services jss, nss, needsmigration network security services (nss) is a set of libraries designed to support cross-platform development of security-enabled client and server applications.
... applications built with nss can support ssl v3, tls, pkcs #5, pkcs #7, pkcs #11, pkcs #12, s/mime, x.509 v3 certificates, and other security standards.
...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.
...And 53 more matches

Permissions - Web APIs
this is not currently supported in any browser.
...this is not currently supported in any browser.
... browser support the compatibility table on this page is generated from structured data.
...And 53 more matches

Gecko info for Windows accessibility vendors
this faq explains how makers of windows screen readers, voice dictation packages and magnification software can support gecko-based software.
... the base of our support for these products is msaa (microsoft active accessibility), external readonly dom support, and the keyboard api/user interface.
...it supports html, xhtml, cascading style sheets (css) and the document object model (dom).
...And 52 more matches

Migrate apps from Internet Explorer to Mozilla - Archive of obsolete content
introduction when netscape started the mozilla browser, it made the conscious decision to support w3c standards.
... as a result, mozilla is not fully backwards-compatible with netscape navigator 4.x and microsoft internet explorer legacy code; for example, mozilla does not support <layer> as i will discuss later.
... i'll also cover nonstandard technologies, such as xmlhttprequest and rich text editing, that mozilla does support because no w3c equivalent existed at the time.
...And 49 more matches

BluetoothCharacteristicProperties - Web APIs
examples the following example shows how tell if a gatt characteristic supports value change notifications.
... desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetbluetoothcharacteristicproperties experimentalchrome full support 56notes full support 56notes notes chromeos and macos only.
... full support 56notes disabled notes linux and versions of windows earlier than 10.disabled from version 56: this feature is behind the #enable-experimental-web-platform-features preference (needs to be set to enabled).
...And 49 more matches

Image file type and format guide - Web media technologies
in this guide, we'll cover the image file types generally supported by web browsers, and provide insights that will help you select the most appropriate formats to use for your site's imagery.
...however, the ones listed below are generally recognized as usable on the web, though bmp is generally not recommended as browser support is potentially constrained; it should usually be avoided for web content.
..., opera, safari tiff tagged image file format image/tiff .tif, .tiff none built-in; add-ons required webp web picture format image/webp .webp chrome, edge, firefox, opera the abbreviation for each format links to a longer description of the format, its capabilities, and detailed browser compatibility information; including which versions introduced support and specific special features that may have been introduced later.
...And 49 more matches

Codecs used by WebRTC - Web media technologies
this guide reviews the codecs that browsers are required to implement as well as other codecs that some or all browsers support for webrtc.
...however, rfc 7742 specifies that all webrtc-compatible browsers must support vp8 and h.264's constrained baseline profile for video, and rfc 7874 specifies that browsers must support at least the opus codec as well as g.711's pcma and pcmu formats.
... these two rfcs also lay out options that must be supported for each codec, as well as specific user comfort features such as echo cancelation.
...And 44 more matches

Implementing a Microsoft Active Accessibility (MSAA) Server - Accessibility
practical tips for developers and how mozilla does it contents this document is for developers working to support msaa in an application in order to make it accessible with 3rd party assistive technologies, as well as for hackers wishing to be involved in mozilla's msaa support specifically.
...if you're interested in more about gecko's msaa implementation, read gecko info for windows accessibility vendors to learn how msaa clients can utilize gecko's msaa support.
... msaa is the microsoft active accessibility (msaa) api, used on windows operating systems to support assistive technologies for users with disabilities.
...And 43 more matches

Media container formats (file types) - Web media technologies
see codecs used by webrtc for information about codecs commonly used for making webrtc calls, as well as browser compatibility information around codec support in webrtc.
...some support only audio while others support both audio and video.
...not all of these are broadly supported by browsers, however; some combinations of container and codec are sometimes given their own file extensions and mime types as a matter of convenience, or because of their ubiquity.
...And 43 more matches

Introduction to SSL - Archive of obsolete content
some red hat products already support tls.
... most other red hat products plan to support the protocol in future versions.
... 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.
...And 41 more matches

Choosing the right approach - Learn web development
browser compatibility really good general support, although the exact support for callbacks in apis depends on the particular api.
... refer to the reference documentation for the api you're using for more specific support info.
... browser compatibility desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetsettimeoutchrome full support 30edge full support 12firefox full support 1 full support 1 full support 52notes notes setinterval now defined on windoworworkerglobalscope mixin.ie full support ...
...And 40 more matches

Starting WebLock
the method at the core of this interface is observe: void observe(in nsisupports asubject, in string atopic, in wstring adata); there aren't really any restrictions on what the three parameters (asubject, atopic and adata) may represent.
...xxx what is example 2?following example 2, you change the class definition to support the nsiobserver interface and change ns_impl_isupports1 so that the queryinterface implementation knows that the component also supports nsiobserver.
... the weblock class definition with support for startup observation is below.
...And 40 more matches

MathML Torture Test
its</option> </select> <br/> </p> <table> <tr> <td></td> <th scope="col">as rendered by tex</th> <th scope="col">as rendered by your browser</th></tr> <tr> <td>1</td> <td><img src="https://udn.realityripple.com/samples/45/d5a0dbbca3.png" width="38" height="22" alt="texbook, 16.2-16.3" /></td> <td> <math display="block"> <mrow> <msup> <mi>x</mi> <mn>2</mn> </msup> <msup> <mi>y</mi> <mn>2</mn> </msup> </mrow> </math> </td></tr> <tr> <td>2</td> <td><img src="https://udn.realityripple.com/samples/b8/da4a50ea34.png" width="30" height="17" alt="texbook, 16.2-16.3" /></td> <td> <math display="block"> <!-- ...
... <mn>2</mn><none/> </mmultiscripts> </mrow> </math> </td></tr> <tr> <td>3</td> <td><img src="https://udn.realityripple.com/samples/8a/1d0e6e073c.png" width="58" height="47" alt="texbook, 17-17.1" /></td> <td> <math display="block"> <mrow> <mfrac> <mrow> <mi>x</mi> <mo>+</mo> <msup> <mi>y</mi> <mn>2</mn> </msup> </mrow> <mrow> <mi>k</mi> <mo>+</mo> <mn>1</mn> </mrow> </mfrac> </mrow> </math> </td></tr> <tr> <td>4</td> <td><img src="https://udn.realityripple.com/samples/a7/27acbeabcf.png" width="76" height="25" alt="t...
...exbook, 17-17.1" /></td> <td> <math display="block"> <mrow> <mi>x</mi> <mo>+</mo> <msup> <mi>y</mi> <mfrac> <mn>2</mn> <mrow> <mi>k</mi> <mo>+</mo> <mn>1</mn> </mrow> </mfrac> </msup> </mrow> </math> </td></tr> <tr> <td>5</td> <td><img src="https://udn.realityripple.com/samples/d2/921226dd85.png" width="30" height="42" alt="texbook, 17-17.1" /></td> <td> <math display="block"> <mrow> <mfrac> <mi>a</mi> <mrow> <mi>b</mi> <mo>/</mo> <mn>2</mn> </mrow> </mfrac> </mrow...
...And 39 more matches

Fullscreen API - Web APIs
note: support for this api varies somewhat across browsers, with many requiring vendor prefixes and/or not implementing the latest specification.
... see the browser compatibility section below for details on support for this api.
... properties the document interface provides properties that can be used to determine if full-screen mode is supported and available, and if full-screen mode is currently active, which element is using the screen.
...And 39 more matches

Selection API - Web APIs
desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetselection experimentalchrome full support 1edge full support 12firefox full support 1notes full support 1notes notes the globaleventhandlers.onselectionchange and globaleventhandlers.onselectstart event handlers are supported as of firefox 52.ie full suppo...
...rt 9opera full support 9safari full support 1webview android full support 1chrome android full support 18firefox android full support 4notes full support 4notes notes the globaleventhandlers.onselectionchange and globaleventhandlers.onselectstart event handlers are supported as of firefox 52.opera android full support 10.1safari ios full support 1samsung internet android full support ...
... 1.0addrange experimentalchrome full support 1edge full support 12firefox full support yesie ?
...And 38 more matches

Gecko events
« at apis support page this page offers a list of accessibility-related events supported by gecko.
... is supported: yes event_dom_destroy an object has been destroyed.
... is supported: yes event_dom_significant_change an object's properties or content have changed significantly so that the type of object has really changed, and therefore the accessible should be destroyed or recreated.
...And 35 more matches

BluetoothRemoteGATTDescriptor - Web APIs
methods bluetoothremotegattdescriptor.readvalue() returns a promise that resolves to an arraybuffer holding a duplicate of the value property if it is available and supported.
... desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetbluetoothremotegattdescriptor experimentalchrome full support 57notes full support 57notes notes macos only.
... full support 57notes disabled notes linux and versions of windows earlier than 10.disabled from version 57: this feature is behind the #enable-experimental-web-platform-features preference (needs to be set to enabled).
...And 35 more matches

Implementation Status - Archive of obsolete content
specification chapter index here we give an overview of xforms 1.1 specification chapters and the current status of the mozilla support.
... the sections are marked with their current status: supported, partial support, in progress, and not currently supported.
...document structure section title status notes bugs 3.1 namespaces supported 3.2.1 common attributes supported 3.2.2 linking attributes supported 3.2.3 single-node binding attributes supported 3.2.4 node-set binding attributes supported 3.2.5 model item property attributes partial in some cases a loop error can occur on valid bindings 302168; 3.3.1 model support...
...And 34 more matches

CSS property compatibility table for form controls - Learn web development
the following compatibility tables try to summarize the state of css support for html forms.
... how to read the tables values for each property, there are four possible values: yes there's reasonably consistent support for the property across browsers.
... line-height this property is supported inconsistently across browsers and you should avoid it.
...And 34 more matches

CSS3 - Archive of obsolete content
the transparent color is now a real color (thanks to the support for the alpha channel) and is a now an alias for rgba(0,0,0,0.0).
... css namespaces module recommendation since september 29th, 2011 adds the support for the xml namespaces by defining the notion of css qualified name, using the ' | ' syntax and adding the @namespace css at-rule.
...detection of ecmascript support, using the script media features is also proposed.
...And 33 more matches

Handling common HTML and CSS problems - Learn web development
this includes linting code, handling css prefixes, using browser dev tools to track down problems, using polyfills to add support into browsers, tackling responsive design problems, and more.
...in other cases, nascent features are not supported consistently across browsers, which can make some features and styles not work for some users.
...the main areas we'll look at are lack of support for modern features, and layout issues.
...And 32 more matches

Bytecode Descriptions
(per spec, unary - supports bigints, but unary + does not.) format: jof_ic neg stack: val ⇒ (-val) the unary - operator.
...format: jof_ic super superbase stack: callee ⇒ superbase push the superbase of the method callee.
... the superbase is callee.[[homeobject]].[[getprototypeof]](), the object where super property lookups should begin.
...And 32 more matches

IDBIndex - Web APIs
desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetidbindexchrome full support 24 full support 24 no support 23 — 57prefixed prefixed implemented with the vendor prefix: webkitedge full support 12firefox full support 16 full support 16 ...
... no support 10 — 16prefixed prefixed implemented with the vendor prefix: mozie partial support 10opera full support 15safari full support 7webview android full support yes full support yes no support ?
... — 57prefixed prefixed implemented with the vendor prefix: webkitchrome android full support 25 full support 25 no support 25 — 57prefixed prefixed implemented with the vendor prefix: webkitfirefox android full support 22opera android full support 14safari ios full support 8samsung internet android full support 1.5 full support 1.5 no support 1.5 — 7.0prefixed prefixed implemented with the vendor prefix: webkitcountchrome ...
...And 31 more matches

Handling common JavaScript problems - Learn web development
such incompatibility problems persisted well into the early 2000s, as old browsers were still being used and still needed supporting.
... 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).
...(see using a task runner to automate testing tools in a later article.) see eslint integrations for eslint options; jshint is supported out of the box by grunt, and also has other integrations available, e.g.
...And 30 more matches

An Overview of XPCOM
but xpcom also provides several tools and libraries that enable the loading and manipulation of these components, services that help the developer write modular cross-platform code, and versioning support, so that components can be replaced or upgraded without breaking or having to recreate the application.
... 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.
... the nsisupports base interface two fundamental issues in component and interface-based programming are component lifetime, also called object ownership, and interface querying, or being able to identify which interfaces a component supports at runtime.
...And 29 more matches

BasicCardResponse - Web APIs
the first of these three (supportedinstruments in the example below) contains a data property that has to conform to the structure defined by the basiccardrequest dictionary.
... var supportedinstruments = [{ supportedmethods: 'basic-card', data: { supportednetworks: ['visa', 'mastercard', 'amex', 'jcb', 'diners', 'discover', 'mir', 'unionpay'], supportedtypes: ['credit', 'debit'] } }]; var details = { total: {label: 'donation', amount: {currency: 'usd', value: '65.00'}}, displayitems: [ { label: 'original donation amount', amount: {currency: 'usd', value: '65.00'} } ], shippingoptions: [ { id: 'standard', label: 'standard shipping', amount: {currency: 'usd', value: '0.00'}, selected: true } ] }; var options = {requestshipping: true}; try { var request = new paymentrequest(supportedinstruments, details, options); // add event listeners here.
... desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetbasiccardresponsechrome no support noedge no support ≤18 — 79firefox full support 56notes disabled full support 56notes disabled notes available only in nightly builds.disabled from version 56: this feature is behind the dom.payments.request.enabled preference (needs to be set to...
...And 29 more matches

Modularization techniques - Archive of obsolete content
nsisupports the key interface in our model is the nsisupports interface, our equivalent to com's iunknown interface.
... nsisupports provides two key features, interface interrogation and reference counting.
... interface interrogation is a simple, uniform mechanism for determining which interfaces a object supports, and for hiding the the mechanics of how the object was implemented.
...And 28 more matches

IDBDatabase - Web APIs
desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetidbdatabasechrome full support 24 full support 24 no support 23 — 57prefixed prefixed implemented with the vendor prefix: webkitedge full support 12firefox full support 16 full support 16 ...
... no support 10 — 16prefixed prefixed implemented with the vendor prefix: mozie partial support 10opera full support 15safari full support 7webview android full support yes full support yes no support ?
... — 57prefixed prefixed implemented with the vendor prefix: webkitchrome android full support 25 full support 25 no support 25 — 57prefixed prefixed implemented with the vendor prefix: webkitfirefox android full support 22opera android full support 14safari ios full support 8samsung internet android full support 1.5 full support 1.5 no support 1.5 — 7.0prefixed prefixed implemented with the vendor prefix: webkitabort eventchrom...
...And 27 more matches

Implementing feature detection - Learn web development
previous overview: cross browser testing next feature detection involves working out whether a browser supports a certain block of code, and running different code depending on whether it does (or doesn't), so that the browser can always provide a working experience rather than crashing/erroring in some browsers.
... this article details how to write your own simple feature detection, how to use a library to speed up implementation, and native features for feature detection such as @supports.
... the concept of feature detection the idea behind feature detection is that you can run a test to determine whether a feature is supported in the current browser, and then conditionally run code to provide an acceptable experience both in browsers that do support the feature, and browsers that don't.
...And 26 more matches

Python binding for NSS
nss provides cryptography services supporting ssl, tls, pki, pkix, x509, pkcs*, etc.
... nss/nspr objects which are collections support the python iteration protocol.
... nss/nspr objects whose collection elements can be referenced by name support associative indexing.
...And 26 more matches

IDBTransaction - Web APIs
desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetidbtransactionchrome full support 24 full support 24 no support 23 — 57prefixed prefixed implemented with the vendor prefix: webkitedge full support 12firefox full support 16 full support 16 ...
... no support 10 — 16prefixed prefixed implemented with the vendor prefix: mozie partial support 10opera full support 15safari full support 7webview android full support yes full support yes no support ?
... — 57prefixed prefixed implemented with the vendor prefix: webkitchrome android full support 25 full support 25 no support 25 — 57prefixed prefixed implemented with the vendor prefix: webkitfirefox android full support 22opera android full support 14safari ios full support 8samsung internet android full support 1.5 full support 1.5 no support 1.5 — 7.0prefixed prefixed implemented with the vendor prefix: webkitabortchrome ...
...And 25 more matches

Using feature queries - CSS: Cascading Style Sheets
feature queries are created using the css at-rule @supports, and are useful as they give web developers a way to test to see if a browser has support for a certain feature, and then provide css that will only run based on the result of that test.
...the difference is that with a media query you are testing something about the environment in which the web page is running, whereas with feature queries you are testing browser support for css features.
... a feature query consists of the @supports rule, followed by the property name and value you would like to test for.
...And 25 more matches

JavaScript modules - JavaScript
the good news is that modern browsers have started to support module functionality natively, and this is what this article is all about.
... browser support use of native javascript modules is dependent on the import and export statements; these are supported in browsers as follows: import desktopmobileserverchromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetnode.jsimportchrome full support 61edge full support 16 full support 16 full support 15disabled disabled ...
...from version 15: this feature is behind the experimental javascript features preference.firefox full support 60 full support 60 no support 54 — 60disabled disabled from version 54 until version 60 (exclusive): this feature is behind the dom.modulescripts.enabled preference.
...And 25 more matches

Mozilla Application Framework in Detail - Archive of obsolete content
imagine not having to re-write your application 3 times, or not supporting a less popular platform simply because you do not have the resources for parallel development!
...this innovation in browser technology offers small size, speed and industry leading standards support.
... gecko is the premier cross-platform, full-featured, mature and well-tested layout engine available, providing robust and high quality support for a massive array of standards.
...And 24 more matches

The "codecs" parameter in common media types - Web media technologies
however, many media types—especially those that support video tracks—can benefit from the ability to more precisely describe the format of the data within them.
...all of these file types support a variety of codecs, and those codecs may have any number of profiles, levels, and other configuration factors.
...the list may also contain codecs not present in the file.= codec options by container the containers below support extended codec options in their codecs parameters: 3gp av1 iso bmff mpeg-4 quicktime webm several of the links above go to the same section; that's because those media types are all based on iso base media file format (iso bmff), so they share the same syntax.
...And 24 more matches

Gecko Compatibility Handbook - Archive of obsolete content
internet explorer 4 and netscape navigator 4 share support for a large part of the html 3.2 standard and basic javascript.
... while they support the css 1 standard to some degree, the implementations are not complete and have non-standard features added.
... neither internet explorer 4 or netscape navigator 4 support the w3 dom.
...And 22 more matches

sslfnc.html
nss 2.8 supports tls in addition to ssl2 and ssl3.
... by default, none of the cipher suites supported by ssl are permitted.
... for descriptions of cipher suites supported by ssl, see introduction to ssl.
...And 22 more matches

Audio and Video Delivery - Developer guides
currently, to support all browsers we need to specify two formats, although with the adoption of mp3 and mp4 formats in firefox and opera, this is changing fast.
... to deliver video and audio, the general workflow is usually something like this: check what format the browser supports via feature detection (usually a choice of two, as stated above).
... if the browser doesn't support playback of any of the provided formats natively, either present a still image or use a fallback technology to present the video.
...And 22 more matches

<textarea> - HTML: Hypertext Markup Language
<textarea> does not support the value attribute.
... autocapitalize this is a non-standard attribute supported by webkit on ios (therefore nearly all browsers running on ios, including safari, firefox, and chrome), which controls whether and how the text value should be automatically capitalized as it is entered/edited by the user.
... desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internettextareachrome full support yesedge full support 12firefox full support yesnotes full support yesnotes notes before firefox 6, when a <textarea> was focused, the insertion point was placed at the end of the text by default.
...And 22 more matches

Windows Media in Netscape - Archive of obsolete content
this article explains how to embed the windows media player activex control in web pages to support netscape 7.1, how to control the windows media player activex control using javascript and provides working examples.
...this control is widely used to provide inline media support for web pages that provide sound, video and other media.
...netscape 7.1 is the first netscape gecko™ browser to support the windows media player as an activex control -- previous netscape browsers did not support any activex controls, and thus detecting which versions of netscape support the windows media activex control is an important first step towards building multimedia experiences using html, javascript, and the windows media activex control.
...And 21 more matches

Index - MDN Web Docs Glossary: Definitions of Web-related terms
since 2007, utf-8 superseded it on the web.
...adobe flash can run from supporting web browsers via a browser plug-in.
...chrome supports its own layout called blink.
...And 21 more matches

Video and audio content - Learn web development
video and audio on the web web developers have wanted to use video and audio on the web for a long time, ever since the early 2000s when we started to have bandwidth fast enough to support any kind of video (video files are much larger than text or even images.) in the early days, native web technologies such as html didn't have the ability to embed video and audio on the web, so proprietary (or plugin-based) technologies like flash (and later, silverlight) became popular for handling such content.
...a really simple example looks like this: <video src="rabbit320.webm" controls> <p>your browser doesn't support html5 video.
... the paragraph inside the <video> tags this is called fallback content — this will be displayed if the browser accessing the page doesn't support the <video> element, allowing us to provide a fallback for older browsers.
...And 21 more matches

Index
7 gcintegration developing mozilla, firefox, garbage collection, intermediate, intro, jsapi, needsupdate, spidermonkey, tools, memory the spidermonkey garbage collector (gc) will be changing a lot in the future.
...if scopechain is supplied, it uses scopechain as its enclosing scope.
...future versions of the javascript engine may not support or recognize this macro.
...And 21 more matches

Creating the Component Code
you should consult with the authors of the application you wish to extend to see if there are other supported ways.
... basic structure of the weblock component source weblock1.cpp that defines these classes and the code you need to create a basic component has the following structure: * required includes and constants * weblock: public iweblock * weblockfactory: public nsifactory * weblockmodule: public nsimodule in xpcom, all of these classes also derive from the nsisupports base interface.
...for example, including nsicomponentmanager.idl without mozilla_strict_api defined will include the following headers, which are not supported across versions (unfrozen): nscomponentmanagerutils.h nscomponentmanagerobsolete.h these variables are picked up by files that do not specify themselves as mozilla_strict_api.
...And 21 more matches

Using XPCOM Utilities to Make Things Easier
}; the important thing to note in the fictitious listing above is that it can support multiple components in a module.
... common implementation macros every xpcom object implements nsisupports, but writing this implementation over and over is tedious.
...instead of implementing the nsisupports yourself, ns_impl_isupports1 can expand to the implementation of addref, release, and queryinterface for any object.
...And 21 more matches

WebIDL bindings
adding webidl bindings to a class to add a webidl binding for interface myinterface to a class mozilla::dom::myinterface that's supposed to implement that interface, you need to do the following: if your interface doesn't inherit from any other interfaces, inherit from nswrappercache and hook up the class to the cycle collector so it will trace the wrapper cache properly.
...if you also inherit from nsisupports, make sure the nsisupports comes before the nswrappercache in your list of parent classes.
... if you do need to hook up cycle collection, it will look like this in the common case of also inheriting from nsisupports: // add strong pointers your class holds here.
...And 21 more matches

PasswordCredential - Web APIs
in supporting browsers an instance of this class may be passed in the credential member of the init object for global fetch.
... desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetpasswordcredential experimentalchrome full support 51edge full support ≤79firefox ?
... opera full support yessafari ?
...And 21 more matches

sslerr.html
peer does not support high-grade encryption." the local system was configured to support the cipher suites permitted for domestic use.
... the remote system was configured to support only the cipher suites permitted for export use.
...peer requires high-grade encryption which is not supported." the remote system was configured to support the cipher suites permitted for domestic use.
...And 20 more matches

PhotoCapabilities - Web APIs
photocapabilities.imageheight read only returns a mediasettingsrange object indicating the image height range supported by the user agent.
... photocapabilities.imagewidth read only returns a mediasettingsrange object indicating the image width range supported by the user agent.
... desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetphotocapabilities experimentalchrome full support 59edge full support ≤79firefox ?
...And 20 more matches

requiredFeatures - SVG: Scalable Vector Graphics
it determines whether or not all of the named features are supported by the browser; if all of them are supported, the attribute evaluates to true end the element is rendered; otherwise, the attribute evaluates to false and the current element and its children are skipped and thus will not be rendered.
...ject>, <g>, <image>, <line>, <mask>, <path>, <pattern>, <polygon>, <polyline>, <rect>, <set>, <svg>, <switch>, <text>, <textpath>, <tref>, <tspan>, <use> html, body, svg { height: 100%; } text { fill: white; } <svg viewbox="0 0 250 45" xmlns="http://www.w3.org/2000/svg"> <g> <rect fill="forestgreen" x="10" y="10" height="25" width="230" /> <text x="20" y="27">requiredfeatures supported</text> </g> <g requiredfeatures=""> <rect fill="crimson" x="10" y="10" height="25" width="230" /> <text x="20" y="27">requiredfeatures not supported</text> </g> </svg> usage notes value <list-of-features> default value true if not defined, false if null or empty string as value animatable no <list-of-features> this is a list o...
...determines whether all of the named features are supported by the browser.
...And 20 more matches

Browser Feature Detection - Archive of obsolete content
an experimental approach to discovering degree of support for standards.
... among the methods of browser detection, many people recommend using the existence of specific properties or methods in a browser's dom to detect the browser type and whether it supports a given operation.
... this test takes that idea to the extreme and tests a large number of properties and methods to determine the level of support a browser has for particular standards and reports a rating as the percentage of names the browser defines.
...And 19 more matches

PushRegistrationManager - Web APIs
this interface has been superceded by pushmanager.
... desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetpushregistrationmanager experimentaldeprecatedchrome no support noedge no support nofirefox ?
... ie no support noopera no support nosafari ?
...And 19 more matches

Mozilla Crypto FAQ - Archive of obsolete content
in this document i try to answer some frequently asked questions about the mozilla web browser and mail/news client and its support for ssl, s/mime, and related features based on cryptographic technology.
... the questions in this faq address mozilla's support for encryption and related security functionality, information important to mozilla contributors relating to encryption functionality in mozilla, and general questions on u.s.
...in the near future the mozilla code base will include a complete open source cryptographic library, and mozilla will include ssl support as a standard feature.
...And 18 more matches

nsIMsgFolder
inherits from: nsisupports method overview void startfolderloading(); void endfolderloading(); void updatefolder(in nsimsgwindow awindow); nsimsgfilterlist getfilterlist(in nsimsgwindow msgwindow); void setfilterlist(in nsimsgfilterlist filterlist); void forcedbclosed(); void delete(); void deletesubfolders(in nsisupportsarray folders, in nsimsgwindow msgwindow); void propagatedelete(in nsimsgfolder folder, in boolean deletestorage,in nsimsgwindow msgwindow); ...
...nsimsgwindow msgwindow); void createsubfolder(in astring foldername, in nsimsgwindow msgwindow); nsimsgfolder addsubfolder(in astring foldername); void createstorageifmissing(in nsiurllistener urllistener); void compact(in nsiurllistener alistener, in nsimsgwindow amsgwindow); void compactall(in nsiurllistener alistener, innsimsgwindow amsgwindow,in nsisupportsarray afolderarray, in boolean acompactofflinealso,in nsisupportsarray aofflinefolderarray); void compactallofflinestores(in nsimsgwindow amsgwindow,in nsisupportsarray aofflinefolderarray); void emptytrash(in nsimsgwindow amsgwindow, in nsiurllistener alistener); void rename(in astring name, in nsimsgwindow msgwindow); void renamesubfolders( in nsimsgwindo...
...void setflag(in unsigned long flag); void clearflag(in unsigned long flag); boolean getflag(in unsigned long flag); void toggleflag(in unsigned long flag); void onflagchange(in unsigned long flag); void setprefflag(); nsimsgfolder getfolderswithflag(in unsigned long flags, in unsigned long resultsize, out unsigned long numfolders); nsisupportsarray getallfolderswithflag(in unsigned long aflag); void getexpansionarray(in nsisupportsarray expansionarray); acstring geturiformsg(in nsimsgdbhdr msghdr); void deletemessages(in nsisupportsarray messages,in nsimsgwindow msgwindow, in boolean deletestorage, in boolean ismove, in nsimsgcopyservicelistener listener, in boolean allowundo); void copymessages...
...And 18 more matches

Web applications and ARIA FAQ - Accessibility
where is aria supported?
... aria is a relatively new specification, but support for it is growing.
... a wide variety of commonly-used browsers, assistive technologies, javascript toolkits, and applications now support aria.
...And 18 more matches

WebAssembly - JavaScript
desktopmobileserverchromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetnode.jswebassemblychrome full support 57edge full support 16firefox full support 52notes full support 52notes notes disabled in the firefox 52 extended support release (esr).ie no support noopera full suppor...
...t 44safari full support 11webview android full support 57chrome android full support 57firefox android full support 52notes full support 52notes notes disabled in the firefox 52 extended support release (esr).opera android full support 43safari ios full support 11samsung internet android full support 7.0nodejs full support 8.0.0compileerrorchrome ful...
...l support 57edge full support 16firefox full support 52notes full support 52notes notes disabled in the firefox 52 extended support release (esr).ie no support noopera full support 44safari full support 11webview android full support 57chrome android full support 57firefox android full support 52notes full support 52note...
...And 18 more matches

WebAssembly
desktopmobileserverchromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetnode.jswebassemblychrome full support 57edge full support 16firefox full support 52notes full support 52notes notes disabled in the firefox 52 extended support release (esr).ie no support noopera full suppor...
...t 44safari full support 11webview android full support 57chrome android full support 57firefox android full support 52notes full support 52notes notes disabled in the firefox 52 extended support release (esr).opera android full support 43safari ios full support 11samsung internet android full support 7.0nodejs full support 8.0.0compileerrorchrome ful...
...l support 57edge full support 16firefox full support 52notes full support 52notes notes disabled in the firefox 52 extended support release (esr).ie no support noopera full support 44safari full support 11webview android full support 57chrome android full support 57firefox android full support 52notes full support 52note...
...And 18 more matches

Mozilla’s UAAG evaluation report
we are claiming to support html 4, css 2, png, jpg and gif.
...support input and output device-independence.
...(p1) p onmouseover, onmousedown, onmouseup, onmousemove, onclick, ondbclick: no keyboard support onfocus and onblur: cannot be activated with pointer 1.3 provide text messages.
...And 17 more matches

PKCS11 FAQ
what version of pkcs #11 does nss support?
... nss requires at least pkcs #11 version 2.0, but can support some features of later versions of nss, including nss 2.20.
...if you do not actually do the operation specified by that function, you can return ckr_function_not_supported.
...And 17 more matches

CSS Grid Layout and Progressive Enhancement - CSS: Cascading Style Sheets
in spring of 2017, we saw for the first time a major specification like grid being shipped into browsers almost simultaneously, and we now have css grid layout support in the public versions of firefox, chrome, opera, safari and edge.
... however, while evergreen browsers mean that many of us are going to see the majority of users having grid layout support very quickly, there are also old or non-supporting browsers to contend with.
... in this guide we will walk through a variety of strategies for support.
...And 17 more matches

min-width - CSS: Cascading Style Sheets
desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetmin-widthchrome full support 1edge full support 12firefox full support 1notes full support 1notes notes css 2.1 leaves the behavior of min-width with table undefined.
... firefox supports applying min-width to table elements.ie full support 7opera full support 4notes full support 4notes notes css 2.1 leaves the behavior of min-width with table undefined.
... opera supports applying min-width to table elements.safari full support 1webview android full support 4.4chrome android full support 18firefox android full support 4notes full support 4notes notes css 2.1 leaves the behavior of min-width with table undefined.
...And 17 more matches

<input type="time"> - HTML: Hypertext Markup Language
support is good in modern browsers, with safari being the sole major browser not yet implementing it; in safari, and any other browsers that don't support <time>, it degrades gracefully to <input type="text">.
... events change and input supported common attributes autocomplete, list, readonly, and step idl attributes value, valueasdate, valueasnumber, and list.
... using time inputs although among the date and time input types time has the widest browser support, it is not yet approaching universal, so it is likely that you'll need to provide an alternative method for entering the date and time, so that safari users (and users of other non-supporting browsers) can still easily enter time values.
...And 17 more matches

<input>: The Input (Form Input) element - HTML: Hypertext Markup Language
<input type="checkbox" name="checkbox"/> color a control for specifying a color; opening a color picker when active in supporting browsers.
...opens a date picker or numeric wheels for year, month, day when active in supporting browsers.
...opens a date picker or numeric wheels for date- and time-components when active in supporting browsers.
...And 17 more matches

SVG documentation index - SVG: Scalable Vector Graphics
scalable vector graphics 2d graphics, graphics, icons, images, reference, responsive design, svg, scalable graphics, scalable images, vector graphics, web, l10n:priority scalable vector graphics (svg) are an xml-based markup language for describing two-dimensional based vector graphics.xml 2 applying svg effects to html content css, guide, html, svg modern browsers support using svg within css styles to apply graphical effects to html content.
...versions of svg viewers prior to the release of firefox 1.5 unfortunately paid scant attention to namespaces, but they are essential to multi-xml dialect supporting user agents such as gecko-based browsers which must be very strict.
... 11 svg 1.1 support in firefox firefox, svg you can find some basic examples of svg syntax and usage in the w3c svg test suite.
...And 17 more matches

Accessible Toolkit Checklist
also, assistive technologies already understand native widgets so it is only necessary to implement microsoft active accessibility (msaa) api support for custom controls.
...you will also need to provide a way for custom and owner drawn controls to easily accessibility api support, as wxwidgets does.
...these toolkits need to have accessibility implemented from the ground up, and get nothing for free in terms of keyboard, api or os-theme support.
...And 16 more matches

Mozilla Web Developer FAQ
in the standards mode and in the almost standards mode mozilla does not suppress the default margins of the first and last child element in table cells.
... some proprietary document objects such as document.all and document.layers are not part of the w3c dom and are not supported in mozilla.
... (there is partial undetectable support for document.all, though, in newer versions of mozilla.
...And 16 more matches

PKCS11 Implement
this document supplements the information in pkcs #11: cryptographic token interface standard, version 2.0 with guidelines for implementors of cryptographic modules who want their products to work with mozilla client software: how nss calls pkcs #11 functions.
...summarizes the support nss expects from different kinds of tokens.
... future versions of netscape server products will also support of pkcs #11 version 2.0.
...And 16 more matches

BudgetService - Web APIs
desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetbudgetservice experimentaldeprecatednon-standardchrome full support 55edge full support ≤79firefox ?
... opera full support 42safari ?
... webview android full support 55chrome android full support 55firefox android ?
...And 16 more matches

IDBKeyRange - Web APIs
desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetidbkeyrangechrome full support 24 full support 24 no support 23 — 57prefixed prefixed implemented with the vendor prefix: webkitedge full support 12firefox full support 16 full support 16 ...
... no support 10 — 16prefixed prefixed implemented with the vendor prefix: mozie partial support 10opera full support 15safari full support 7webview android full support yeschrome android full support yesfirefox android full support 22opera android full support 14safari ios full support 8samsung internet android full support yesboundchrome full support ...
... 24 full support 24 no support 23 — 24prefixed prefixed implemented with the vendor prefix: webkitedge full support 12firefox full support 16 full support 16 no support 10 — 16prefixed prefixed implemented with the vendor prefix: mozie partial support 10opera full support 15safari full support 7webview android full support yeschrome android full support ...
...And 16 more matches

MediaMetadata - Web APIs
desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetmediametadata experimentalchrome full support 57edge no support nofirefox full support 71ie no support noopera full support yessafari ?
... webview android no support nochrome android full support 57firefox android ?
... opera android no support nosafari ios ?
...And 16 more matches

WebGL best practices - Web APIs
when using webgl extensions, if possible, try to make them optional by gracefully adapting to the case there they are not supported.
... 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 quite low.
... in practice, effectively all systems support at least the following: max_cube_map_texture_size: 4096 max_renderbuffer_size: 4096 max_texture_size: 4096 max_viewport_dims: [4096,4096] max_vertex_texture_image_units: 4 max_texture_image_units: 8 max_combined_texture_image_units: 8 max_vertex_attribs: 16 max_varying_vectors: 8 max_vertex_uniform_vectors: 128 max_fragment_uniform_vectors: 64 aliased_point_size_range: [1,100] your desktop may support 16k textures, or maybe 16 texture units in the vertex shader, but most other systems don't, and content that works for you will not work for them!
...And 16 more matches

:is() (:matches(), :any()) - CSS: Cascading Style Sheets
note that currently browsers support this functionality as :matches(), or through an older, prefixed pseudo-class — :any(), including older versions of chrome, firefox, and safari.
... :any() works in exactly the same way as :matches()/:is(), except that it requires vendor prefixes and doesn't support complex selectors.
... p'); } catch(e) { try { matcheditems = document.queryselectorall(':matches(header, main, footer) p'); } catch(e) { try { matcheditems = document.queryselectorall(':-webkit-any(header, main, footer) p'); } catch(e) { try { matcheditems = document.queryselectorall(':-moz-any(header, main, footer) p'); } catch(e) { console.log('your browser doesn\'t support :is(), :matches(), or :any()'); } } } } matcheditems.foreach(applyhandler); function applyhandler(elem) { elem.addeventlistener('click', function(e) { alert('this paragraph is inside a ' + e.target.parentnode.nodename); }); } simplifying list selectors the :is() pseudo-class can greatly simplify your css selectors.
...And 16 more matches

NSS FAQ
general questions what is network security services (nss) nss is set of libraries, apis, utilities, and documentation designed to support cross-platform development of security-enabled client and server applications.
... if you want add support for ssl, s/mime, or other internet security standards to your application, you can use network security services (nss) to do so.
... because nss provides complete support for all versions of ssl and tls, it is particularly well-suited for applications that need to communicate with the many clients and servers that already support the ssl protocol.
...And 15 more matches

JSS Provider Notes
contents signed jar file installing the provider specifying the cryptotoken supported classes what's not supported signed jar file jss 3.2 implements several jce (java cryptography extension) algorithms.
...dsakpg.initialize(1024); keypair dsapair = dsakpg.generatekeypair(); supported classes cipher dsaprivatekey dsapublickey keyfactory keygenerator keypairgenerator mac messagedigest rsaprivatekey rsapublickey secretkeyfactory secretkey securerandom signature what's not supported the following classes don't work very well: keystore: there are many serious problems mapping the jca keystore interface onto nss's model of pkcs #11 mo...
... cipher supported algorithms notes aes des desede (des3 ) rc2 rc4 rsa the following modes and padding schemes are supported: algorithm mode padding des ecb nopadding cbc nopadding ...
...And 15 more matches

NSS 3.28 release notes
nss 3.28 source distributions are available on ftp.mozilla.org for secure https download: source tarballs: https://ftp.mozilla.org/pub/mozilla.org/security/nss/releases/nss_3_28_rtm/src/ new in nss 3.28 new functionality nss includes support for tls 1.3 draft -18.
... this includes a number of improvements to tls 1.3: the signed certificate timestamp, used in certificate transparency, is supported in tls 1.3 (bug 1252745).
... key exporters for tls 1.3 are supported (bug 1310610).
...And 15 more matches

Introduction to XPCOM for the DOM
i will introduce nscomptr's, interfaces, reference counting, and the nsisupports interface.
...as opposed to a concreate class, an interface is supposed to be more stable through time.
...the function that does this is called "addref" and is defined in the nsisupports interface.
...And 15 more matches

<input type="date"> - HTML: Hypertext Markup Language
the time and datetime-local input types support time and date+time input.
...in unsupported browsers, the control degrades gracefully to <input type="text">.
... among browsers with custom interfaces for selecting dates are chrome and opera, whose data control looks like so: the edge date control looks like: and the firefox date control looks like this: value a domstring representing a date in yyyy-mm-dd format, or empty events change and input supported common attributes autocomplete, list, readonly, and step idl attributes list, value, valueasdate, valueasnumber.
...And 15 more matches

<input type="datetime-local"> - HTML: Hypertext Markup Language
the control's ui varies in general from browser to browser; at the moment support is patchy, with only chrome/opera and edge on desktop and most modern versions of mobile browsers having usable implementations.
... because of the limited browser support for datetime-local, and the variations in how the inputs work, it may currently still be best to use a framework or library to present these, or to use a custom input of your own.
... another option is to use separate date and time inputs, each of which is more widely supported than datetime-local.
...And 15 more matches

platform/xpcom - Archive of obsolete content
implementing xpcom interfaces this module exports a class called unknown which implements the fundamental xpcom interface nsisupports.
...helloworld'; // define a component var helloworld = class({ extends: unknown, get wrappedjsobject() this, hello: function() {return 'hello world';} }); // create and register the factory var factory = factory({ contract: contractid, component: helloworld }); // xpcom clients can retrieve and use this new // component in the normal way var wrapper = cc[contractid].createinstance(ci.nsisupports); var helloworld = wrapper.wrappedjsobject; console.log(helloworld.hello()); using class id you can specify a class id for the factory by setting the id option in the factory's constructor.
... { cc, ci, components } = require('chrome'); // define a component var helloworld = class({ extends: unknown, get wrappedjsobject() this, hello: function() {return 'hello world';} }); // create and register the factory var factory = factory({ component: helloworld }); var id = factory.id; // retrieve the factory by class id var wrapper = components.classesbyid[id].createinstance(ci.nsisupports); var helloworld = wrapper.wrappedjsobject; console.log(helloworld.hello()); replacing factories if the factory you create has the same contract id as an existing registered factory, then your factory will replace the existing one.
...And 14 more matches

cfx - Archive of obsolete content
cfx is no longer supported as of firefox 44 and no longer accepted for add-on submission.
...cfx is is no longer supported as of firefox 44 and no longer accepted for add-on submission, jpm should now be used instead.
...cfx supports the following global options: -h, --help - show a help message and exit -v, --verbose - enable lots of output "command-specific options" are documented alongside the commands.
...And 14 more matches

Index - Archive of obsolete content
355 suppressonselect xul attributes, xul reference no summary!
... 435 how to implement a custom xul query processor component xul supports templating to create a block of content from a datasource query.
...the templating system also supports building custom query processors.
...And 14 more matches

Server-side web frameworks - Learn web development
they provide tools and libraries that simplify common web development tasks, including routing urls to appropriate handlers, interacting with databases, supporting sessions and user authorization, formatting output (e.g.
...exact, case-insensitive, greater than, etc.), and can support complex statements (for example, you can specify a search on u11 teams that have a team name that starts with "fr" or ends with "al").
...the template system also provides support for expressions (with syntax: {% expression %}), which allow templates to perform simple operations like iterating list values passed into the template.
...And 14 more matches

Mozilla accessibility architecture
intro this document is for people who wish to understand the architecture of mozilla's accessibility api module, which provides support for platform accessibility apis.
...mozilla supports two accessibility apis: microsoft active accessibility (msaa) on windows and accessibility tool kit (atk) on linux and unix.
... we do not currently support the carbon accessibility model for apple's os x.
...And 14 more matches

nsIXPConnect
inherits from: nsisupports last changed in gecko 2.0 (firefox 4 / thunderbird 3.3 / seamonkey 2.1) to access the xpconnect service, use code like this: nsresult rv; nscomptr<nsixpconnect> xpconnect = do_getservice(nsixpconnect::getcid(), &rv); if (ns_succeeded(rv)) { /* use the object */ } method overview void addjsholder(in voidptr aholder, in nsscriptobjecttracerptr atracer); native code only!
...amelocation(in pruint32 alanguage, in string afilename, in string afunctionname, in print32 alinenumber, in nsistackframe acaller); void debugdump(in short depth); void debugdumpevalinjsstackframe(in pruint32 aframenumber, in string asourcetext); void debugdumpjsstack(in prbool showargs, in prbool showlocals, in prbool showthisprops); void debugdumpobject(in nsisupports acomobj, in short depth); [noscript,notxpcom] prbool definedomquickstubs(in jscontextptr cx, in jsobjectptr proto, in pruint32 flags, in pruint32 interfacecount, [array, size_is(interfacecount)] in nsiidptr interfacearray); jsval evalinsandboxobject(in astring source, in jscontextptr cx, in nsixpconnectjsobjectholder sandbox, in prbool returnstringonly); native code only!
... obsolete since gecko 2.0 void getdefaultsecuritymanager(out nsixpcsecuritymanager amanager, out pruint16 flags); nsixpcfunctionthistranslator getfunctionthistranslator(in nsiidref aiid); jsobjectptr getjsobjectofwrapper(in jscontextptr ajscontext, in jsobjectptr ajsobj); [noscript, notxpcom] nsisupports getnativeofwrapper(in jscontextptr ajscontext, in jsobjectptr ajsobj); void getsecuritymanagerforjscontext(in jscontextptr ajscontext, out nsixpcsecuritymanager amanager, out pruint16 flags); nsixpconnectwrappednative getwrappednativeofjsobject(in jscontextptr ajscontext, in jsobjectptr ajsobj); nsixpconnectwrappednative getwrappednativeofnativeobject(in jscontext...
...And 14 more matches

EventTarget.addEventListener() - Web APIs
common targets are element, document, and window, but the target may be any object that supports events (such as xmlhttprequest).
... for example, an event handler callback that can be used to handle both fullscreenchange and fullscreenerror might look like this: function eventhandler(event) { if (event.type == 'fullscreenchange') { /* handle a full screen toggle */ } else /* fullscreenerror */ { /* handle a full screen toggle error */ } } safely detecting option support in older versions of the dom specification, the third parameter of addeventlistener() was a boolean value indicating whether or not to use capture.
... for example, if you want to check for the passive option: let passivesupported = false; try { const options = { get passive() { // this function will be called when the browser // attempts to access the passive property.
...And 14 more matches

FileReaderSync - Web APIs
desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetfilereadersyncchrome full support yesedge full support 12firefox full support 8ie full support yesopera full support yessafari full support yeswebview android ...
...full support yeschrome android full support yesfirefox android full support 8opera android full support yessafari ios full support yessamsung internet android full support yesreadasarraybufferchrome full support yesedge full support 12firefox full support 8ie full support yesopera full support yessafari ful...
...l support yeswebview android full support yeschrome android full support yesfirefox android full support 8opera android full support yessafari ios full support yessamsung internet android full support yesreadasbinarystringchrome full support yesedge full support 12firefox full support 8ie full support yesopera ...
...And 14 more matches

FileSystemEntry - Web APIs
desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetfilesystementry experimentalchrome full support 8alternate name full support 8alternate name alternate name uses the non-standard name: entryedge full support 79prefixed full support 79prefixed prefixed implemented with the vendor prefix: webkitfirefox full sup...
...port 50ie no support noopera no support nosafari full support 11.1webview android full support ≤37alternate name full support ≤37alternate name alternate name uses the non-standard name: entrychrome android full support 18alternate name full support 18alternate name alternate name uses the non-standard name: entryfirefox android full support 50opera android no support ...
... nosafari ios full support 11.3samsung internet android full support yesprefixed full support yesprefixed prefixed implemented with the vendor prefix: webkitcopyto experimentaldeprecatednon-standardchrome full support 8edge full support 79firefox no support noie no support noopera no support nosafari no support nowebview android full support �...
...And 14 more matches

MSGestureEvent - Web APIs
desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetmsgestureevent non-standardchrome no support noedge no support 12 — 79firefox no support noie full support 10opera no support nosafari no support nowebview android no support ...
... nochrome android no support nofirefox android no support noopera android no support nosafari ios no support nosamsung internet android no support nomsgestureevent() constructor non-standardchrome no support noedge no support 12 — 79firefox no support noie full support 10opera no support nosafari no support ...
...nowebview android no support nochrome android no support nofirefox android no support noopera android no support nosafari ios no support nosamsung internet android no support noexpansion non-standardchrome no support noedge no support 12 — 79firefox no support noie full support 10opera no support nosafari no...
...And 14 more matches

Capabilities, constraints, and settings - Web APIs
the twin concepts of constraints and capabilities let the browser and web site or app exchange information about what constrainable properties the browser's implementation supports and what values it supports for each one.
... overview the process works like this (using mediastreamtrack as an example): if needed, call mediadevices.getsupportedconstraints() to get the list of supported constraints, which tells you what constrainable properties the browser knows about.
... 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.
...And 14 more matches

@font-feature-values - CSS: Cascading Style Sheets
desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internet@font-feature-valueschrome no support noedge no support nofirefox full support 34 full support 34 full support 24disabled disabled from version 24: this feature is behind the layout.css.font-features.enabled preference (need...
...to change preferences in firefox, visit about:config.ie no support noopera no support nosafari full support 9.1webview android no support nochrome android no support nofirefox android full support 34 full support 34 full support 24disabled disabled from version 24: this feature is behind the layout.css.font-features.enabled preference (needs to be set to true).
... to change preferences in firefox, visit about:config.opera android no support nosafari ios full support 9.3samsung internet android no support no@annotationchrome no support noedge no support nofirefox full support 34 full support 34 full support 24disabled disabled from version 24: this feature is behind the layout.css.font-features.enabled preference (needs to be set to true).
...And 14 more matches

max-width - CSS: Cascading Style Sheets
desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetmax-widthchrome full support 1edge full support 12firefox full support 1notes full support 1notes notes css 2.1 leaves the behavior of max-width with table undefined.
... firefox supports applying max-width to table elements.ie full support 7opera full support 4notes full support 4notes notes css 2.1 leaves the behavior of max-width with table undefined.
... opera supports applying max-width to table elements.safari full support 1webview android full support 4.4chrome android full support 18firefox android full support 4notes full support 4notes notes css 2.1 leaves the behavior of max-width with table undefined.
...And 14 more matches

<input type="month"> - HTML: Hypertext Markup Language
the control's ui varies in general from browser to browser; at the moment support is patchy, with only chrome/opera and edge on desktop — and most modern mobile browser versions — having usable implementations.
... in browsers that don't support month inputs, the control degrades gracefully to a simple <input type="text">, although there may be automatic validation of the entered text to ensure it's formatted as expected.
... for those of you using a browser that doesn't support month, the screenshot below shows what it looks like in chrome and opera.
...And 14 more matches

Working with JSON - Learn web development
this allows you to construct a data hierarchy, like so: { "squadname": "super hero squad", "hometown": "metro city", "formed": 2016, "secretbase": "super tower", "active": true, "members": [ { "name": "molecule man", "age": 29, "secretidentity": "dan jukes", "powers": [ "radiation resistance", "turning tiny", "radiation blast" ] }, { "name": "madame uppercut", "age": 39, "secret...
...identity": "jane wilson", "powers": [ "million tonne punch", "damage resistance", "superhuman reflexes" ] }, { "name": "eternal flame", "age": 1000000, "secretidentity": "unknown", "powers": [ "immortality", "heat immunity", "inferno", "teleportation", "interdimensional travel" ] } ] } if we loaded this object into a javascript program, parsed in a variable called superheroes for example, we could then access the data inside it using the same dot/bracket notation we looked at in the javascript object basics article.
... for example: superheroes.hometown superheroes['active'] to access data further down the hierarchy, you simply have to chain the required property names and array indexes together.
...And 13 more matches

Accessibility Features in Firefox
assistive technology support on windows "i am a full firefox convert with the release of 1.5.
... at my next opportunity, i intend to convert my family over to it too." darren paskell, from window-eyes beta testing list firefox works with popular screen readers, with the best support currently coming from gw micro's window-eyes 5.5.
... we are optimistic that jaws support will catch up this year.
...And 13 more matches

Mozilla-JSS JCA Provider notes
contents signed jar file installing the provider specifying the cryptotoken supported classes what's not supported signed jar file jss implements several jce (java cryptography extension) algorithms.
...dsakpg.initialize(1024); keypair dsapair = dsakpg.generatekeypair(); supported classes cipher dsaprivatekey dsapublickey keyfactory keygenerator keypairgenerator mac messagedigest rsaprivatekey rsapublickey secretkeyfactory secretkey securerandom signature cipher supported algorithms notes aes des desede (des3) rc2 rc4 rsa the following modes and padding schemes are supported: algorithm mode padding ...
...cs5 padding aes ecb nopadding cbc nopadding pkcs5 padding rc4 none none rc2 cbc nopadding pkcs5padding the securerandom argument passed to initsign() and initverify() is ignored, because nss does not support specifying an external source of randomness.
...And 13 more matches

nsIDOMWindowUtils
1.0 66 introduced gecko 1.8 inherits from: nsisupports last changed in gecko 49.0 (firefox 49.0 / thunderbird 49.0 / seamonkey 2.46) implemented by: window.
...ent, in astring apropertyname); boolean isinmodalstate(); void leavemodalstate(); void loadsheet(in nsiuri sheeturi, in unsigned long type); nsidomnodelist nodesfromrect(in float ax, in float ay, in float atopsize, in float arightsize, in float abottomsize, in float aleftsize, in boolean aignorerootscrollframe, in boolean aflushlayout); void processupdates(); obsolete since gecko 13.0 void purgepccounts(); unsigned long redraw([optional] in unsigned long acount); void renderdocument(in nsconstrect arect, in pruint32 aflags, in nscolor abackgroundcolor, in gfxcontext athebescontext); native code only!
...difiers, [optional] in boolean aignorerootscrollframe); void setcssviewport(in float awidthpx, in float aheightpx); void setdisplayport(in float axpx, in float aypx, in float awidthpx, in float aheightpx); void setresolution(in float axresolution, in float ayresolution); void startpccountprofiling(); void stoppccountprofiling(); void suppresseventhandling(in boolean asuppress); void suspendtimeouts(); nsidomfile wrapdomfile(nsifile afile); attributes attribute type description currentinnerwindowid unsigned long long the id of the window's current inner window.
...And 13 more matches

nsITransferable
inherits from: nsisupports last changed in gecko 13.0 (firefox 13.0 / thunderbird 13.0 / seamonkey 2.10) implemented by: @mozilla.org/widget/transferable;1.
... to create an instance, use: var transferable = components.classes["@mozilla.org/widget/transferable;1"] .createinstance(components.interfaces.nsitransferable); it's important to note that a flavor, which specifies a type of data the transferable supports, is represented by a null-terminated string indicating the mime type of the format supported by the flavor.
... method overview void adddataflavor( in string adataflavor ); nsisupportsarray flavorstransferablecanexport( ); nsisupportsarray flavorstransferablecanimport( ); void getanytransferdata( out string aflavor, out nsisupports adata, out unsigned long adatalen ); void gettransferdata( in string aflavor, out nsisupports adata, out unsigned long adatalen ); void init(in nsiloadcontext acontext); boolean islargedataset( ); void removedataflavor( in string adataflavor ); void settransferdata( in string aflavor, in nsisupports adata, in unsigned long adatalen ); attributes attribute type description converter nsiformatconverter an nsiformatconverter instance which implements the co...
...And 13 more matches

Key Values - Web APIs
modifies keystrokes to allow typing upper (or other) case letters, and to support typing punctuation and other special characters.
... vk_shift (0x10) vk_lshift (0xa0) vk_rshift (0xa1) kvk_shift (0x38) kvk_rightshift (0x3c) gdk_key_shift_l (0xffe1) gdk_key_shift_r (0xffe2) qt::key_shift (0x01000020) keycode_shift_left (59) keycode_shift_right (60) "super" [4] the super key.
... gdk_key_super_l (0xffeb) gdk_key_super_r (0xffec) qt::key_super_l (0x01000053) qt::key_super_r (0x01000054) "symbol" the symbol modifier key (found on certain virtual keyboards).
...And 13 more matches

NavigationPreloadManager - Web APIs
desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetnavigationpreloadmanager experimentalchrome full support 62edge full support 18firefox no support nonotes no support nonotes notes implementation tracked in bug 1290958ie ?
... opera full support 49safari ?
... webview android full support 62chrome android full support 62firefox android no support nonotes no support nonotes notes implementation tracked in bug 1290958opera android full support 46safari ios ?
...And 13 more matches

Using the Payment Request API - Web APIs
note: the code snippets from this section are from our feature detect support demo.
...this takes two mandatory parameters and one option parameter: methoddata — an object containing information concerning the payment provider, such as what payment methods are supported, etc.
... so for example, you could create a new paymentrequest instance like so: var request = new paymentrequest(buildsupportedpaymentmethoddata(), buildshoppingcartdetails()); the functions invoked inside the constructor simply return the required object parameters: function buildsupportedpaymentmethoddata() { // example supported payment methods: return [{ supportedmethods: 'basic-card', data: { supportednetworks: ['visa', 'mastercard'], supportedtypes: ['debit', 'credit'] } }]; } function buildshoppingcartde...
...And 13 more matches

Functions and classes available to Web Workers - Web APIs
unknown no postmessage() yes, on dedicatedworkerglobalscope no no unknown no apis available in workers function functionality support in gecko (firefox) support in ie support in blink (chrome and opera) support in webkit (safari) broadcast channel api allows simple communication between browsing contexts (that is windows, tabs, frames, or iframes) with the same origin (usually pages from the same site).
... 38 (38) no support no support no support cache cache api provides the ability to programmatically control cache storage associated with current origin.
... (yes) no support 43 ?
...And 13 more matches

Adding captions and subtitles to HTML5 video - Developer guides
similar to the video controls, if a browser supports html5 video subtitles, there will be a button provided within the native control set to access them.
... browsers do vary as to what they support, so we will be attempting to bring a more unified ui to each browser where possible.
...ound:#666; list-style-type:none; margin:0; padding:0; width:100px; padding:10px; } .subtitles-menu li { padding:0; text-align:center; } .subtitles-menu li button { border:none; background:#000; color:#fff; cursor:pointer; width:90%; padding:2px 5px; border-radius:2px; } styling the displayed subtitles one of the less well known about and supported features of webvtt is the ability to style the individual subtitles (something called text cues) via css extensions.
...And 13 more matches

Live streaming web audio and video - Developer guides
http for now, http is by far the most commonly supported protocol used to transfer media on demand or live.
... rtmp real time messaging protocol (rtmp) is a proprietary protocol developed by macromedia (now adobe) and supported by the adobe flash plugin.
...this is not yet supported natively in most browsers, but be aware that firefox os 1.3 supports rtsp.
...And 13 more matches

<input type="week"> - HTML: Hypertext Markup Language
the control's user interface varies from browser to browser; cross-browser support is currently a bit limited, with only chrome/opera and microsoft edge supporting it at this time.
... in non-supporting browsers, the control degrades gracefully to function identically to <input type="text">.
... value a domstring representing a week and year, or empty events change and input supported common attributes autocomplete, list, readonly, and step idl attributes value, valueasdate, valueasnumber, and list.
...And 13 more matches

Localization - Archive of obsolete content
the sdk supports localization of strings appearing in: your main add-on's javascript code html files packaged with your add-on the title, description and homepage fields of your add-on's metadata the title and description fields of your add-on's preferences.
... it doesn't, yet, support localization of css or content scripts, or the add-on's title and description that appear in the add-ons manager.
...iles: use the .properties format are named "xx-yy.properties", where "xx-yy" is the name of the locale in question contain one entry for each string you want to localize, consisting of an identifier for the string and its translation in that locale, in the format identifier=translation need to use utf-8 without bom encoding lines starting with "#" (after optional whitespace) are comments suppose your add-on contains a single localizable string, represented in english as "hello!", and you want to supply us english and french french localizations.
...And 12 more matches

XML in Mozilla - Archive of obsolete content
mozilla has a relatively good support for xml.
... several world wide web consortium (w3c) recommendations and drafts from the xml family of specifications are supported, as well as other related technologies.
... supported core xml w3c recommendations the core xml support includes parsing xml without validation (we use the expat parser), displaying xml with css, manipulating xml documents with scripts via dom, associating stylesheets with xml documents, and namespaces in xml.
...And 12 more matches

Experimental features in Firefox
html element: <dialog> the html <dialog> element and its associated dom apis provide support for html-based modal dialog boxes.
... nightly 75 no developer edition 75 no beta 75 no release 75 no preference name layout.css.focus-visible.enabled single numbers as aspect ratio in media queries support for using a single <number> as a <ratio> when specifying the aspect ratio for a media query.
... nightly 70 no developer edition 70 no beta 70 no release 70 no preference name layout.css.backdrop-filter.enabled grid: masonry layout adds support for a masonry style layout based on grid layout where one axis has a masonry layout while having normal grid layout on the other.
...And 12 more matches

NSS 3.35 release notes
nss 3.35 source distributions are available on ftp.mozilla.org for secure https download: source tarballs: https://ftp.mozilla.org/pub/mozilla.org/security/nss/releases/nss_3_35_rtm/src/ new in nss 3.35 new functionality tls 1.3 support has been updated to draft -23.
... this includes a large number of changes since 3.34, which supported only draft -18.
...note that this release does not include support for the latter.
...And 12 more matches

BudgetState - Web APIs
desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetbudgetstate experimentaldeprecatednon-standardchrome full support 60edge full support ≤79firefox ?
... opera no support nosafari ?
... webview android no support nochrome android full support 60firefox android ?
...And 12 more matches

FederatedCredential - Web APIs
in browsers that support it, an instance of this interface may be passed in the credential member of the init object for global fetch.
... desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetfederatedcredential experimentalchrome full support 51edge full support ≤79firefox ?
... opera full support yessafari ?
...And 12 more matches

URLUtilsReadOnly - Web APIs
desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung interneturlutilsreadonlychrome no support noedge no support nofirefox full support 57 full support 57 no support 3.5 — 57notes notes firefox has a bug whereby single quotes contained in urls are escaped when accessed via url apis (see bug 138668...
...3).ie no support noopera no support nosafari no support nowebview android no support nochrome android no support nofirefox android full support 57 full support 57 no support 4 — 57notes notes firefox has a bug whereby single quotes contained in urls are escaped when accessed via url apis (see bug 1386683).opera android no support nosafari ios no support nosamsung inte...
...rnet android no support nohash experimentalchrome no support noedge no support nofirefox full support 38 full support 38 no support 3.5 — 38notes notes before firefox 38, firefox returned the hash percent encoded.
...And 12 more matches

HTML documentation index - HTML: Hypertext Markup Language
39 html attribute: crossorigin advanced, attribute, cors, html, needscontent, reference, security the crossorigin attribute, valid on the <audio>, <img>, <link>, <script>, and <video> elements, provides support for cors, defining how the element handles crossorigin requests, thereby enabling the configuration of the cors requests for the element's fetched data.
...valid on <link>, <a>, <area>, and <form>, the supported values depend on the element on which the attribute is found.
...this feature has been removed from whatwg html, and is no longer supported in browsers.
...And 12 more matches

HTTP Index - HTTP
7 evolution of http guide, http, needsupdate, needsupdate(http/3) http (hypertext transfer protocol) is the underlying protocol of the world wide web.
...over the years, algorithms also got more efficient, and new ones are supported by clients and servers.
... 30 reason: credential is not supported if the cors header ‘access-control-allow-origin’ is ‘*’ cors, corsnotsupportingcredentials, cross-origin, error, http, https, messages, reasons, security, console, troubleshooting the cors request was attempted with the credentials flag set, but the server is configured using the wildcard ("*") as the value of access-control-allow-origin, which doesn't allow the use of cre...
...And 12 more matches

Enhanced Extension Installation - Archive of obsolete content
item type the extension system in firefox 1.0 supports only two item types, extensions and themes.
... if the item is not compatible, the extension system asks the appropriate update service (either the one specified by the item, or the default one) if there is remote compatibility information that supercedes the compatibility information held by the item.
... finalization for themes, the item is immediately installed fully, rather than awaiting the next restart, since themes do not supply xpcom components, preferences defaults etc.
...And 11 more matches

Gecko FAQ - Gecko Redirect 1
gecko is the open source browser engine designed to support open internet standards such as html 5, css 3, the w3c dom, xml, javascript, and others.
...gecko also offers the ability to parse various document types (html, xml, svg, etc), advanced rendering capabilities including compositing and transformations, and support for embedded javascript and plugins.
...gecko's architecture will serve mozilla well into the future, enabling faster time to market, more innovation, less costly development, easier distribution and updating, and better cross platform support.
...And 11 more matches

Strategies for carrying out testing - Learn web development
instead, you should try to make sure your site works on the most important target browsers and devices, and then code defensively to give your site the widest support reach it can be expected to have.
...you can make this as simple or as complex as you like — for example a common approach is to have multiple grades of support level, something like: a grade: common/modern browsers — known to be capable.
... test thoroughly and provide full support.
...And 11 more matches

nsIDragService
inherits from: nsisupports last changed in gecko 43 (firefox 43 / thunderbird 43 / seamonkey 2.40) note: using this interface directly from add-on code is deprecated.
... nsidragsession getcurrentsession( ) ; void invokedragsession( in nsidomnode adomnode, in nsisupportsarray atransferables, in nsiscriptableregion aregion, in unsigned long aactiontype ); void invokedragsessionwithimage(in nsidomnode adomnode, in nsisupportsarray atransferablearray, in nsiscriptableregion aregion, in unsigned long aactiontype, in nsidomnode aimage, in long aimagex, in long aimagey, in nsidomdragevent adragevent, in nsidomdatatransfer adatatransfer); void in...
...vokedragsessionwithselection(in nsiselection aselection, in nsisupportsarray atransferablearray, in unsigned long aactiontype, in nsidomdragevent adragevent, in nsidomdatatransfer adatatransfer); void startdragsession( ) ; void suppress(); void unsuppress(); constants constant value description dragdrop_action_none 0 no action.
...And 11 more matches

nsIXULTemplateQueryProcessor
1.0 66 introduced gecko 1.9 inherits from: nsisupports last changed in gecko 1.9 (firefox 3) a query processor takes a template query and generates results for it given a datasource and a reference point.
...the template builder will supply two variables, the reference variable and the member variable to further indicate what part of the datasource is to be examined in addition to the query itself.
...currently, the datasource supplied to the methods will always be an nsirdfdatasource or a dom node, and will always be the same one in between calls to initializeforbuilding() and done().
...And 11 more matches

IDBFactory - Web APIs
desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetidbfactorychrome full support 24 full support 24 no support 23 — 57prefixed prefixed implemented with the vendor prefix: webkitedge full support 12firefox full support 16 full support 16 ...
... no support 10 — 16prefixed prefixed implemented with the vendor prefix: mozie partial support 10opera full support 15safari full support 7webview android full support yes full support yes no support ?
... — 57prefixed prefixed implemented with the vendor prefix: webkitchrome android full support 25 full support 25 no support 25 — 57prefixed prefixed implemented with the vendor prefix: webkitfirefox android full support 22opera android full support 14safari ios full support 8samsung internet android full support 1.5 full support 1.5 no support 1.5 — 7.0prefixed prefixed implemented with the vendor prefix: webkitcmpchrome ...
...And 11 more matches

Backwards Compatibility of Flexbox - CSS: Cascading Style Sheets
flexbox is very well supported across modern browsers, however there are a few issues that you might run into.
... in this guide we will look at how well flexbox is supported in browsers, and look at some potential issues, resources and methods for creating workarounds and fallbacks.
...browser support for the up-to-date version of the specification is excellent from this point forward.
...And 11 more matches

max-height - CSS: Cascading Style Sheets
desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetmax-heightchrome full support 18edge full support 12firefox full support 1notes full support 1notes notes css 2.1 leaves the behavior of max-height with table undefined.
... firefox supports applying max-height to table elements.ie full support 7opera full support 7notes full support 7notes notes css 2.1 leaves the behavior of max-height with table undefined.
... opera supports applying max-height to table elements.safari full support 1.3webview android full support ≤37chrome android full support 18firefox android full support 4opera android full support 14safari ios full support 1samsung internet android full support 1.0fit-content experimentalchrome full support 46 full support 46 full support 25prefixed ...
...And 11 more matches

Cross-browser audio basics - Developer guides
ng a cross-browser html5 audio player with all the associated attributes, properties, and events explained a guide to custom controls created using the media api basic audio example the code below is an example of a basic audio implementation using html5: <audio controls> <source src="audiofile.mp3" type="audio/mpeg"> <source src="audiofile.ogg" type="audio/ogg"> <!-- fallback for non supporting browsers goes here --> <p>your browser does not support html5 audio, but you can still <a href="audiofile.mp3">download the music</a>.</p> </audio> note: you can also use an mp4 file instead of mp3.
...(currently, browsers that support mp3 also support mp4 audio).
... here we define an <audio> element with multiple sources — we do this as not all browsers support the same audio formats.
...And 11 more matches

Creating a cross-browser video player - Developer guides
using these different source formats gives the best chance of being supported across all browsers that support html5 video.
... for further information on video formats and browser compatibility, see supported media formats.
... for browsers that do not support html5 video, a flash player is provided that will allow playback of the mp4 video source, provided the end user has flash installed.
...And 11 more matches

Browser detection using the user agent - HTTP
your site needs to use a specific web feature that some browsers don't yet support, and you want to send those users to an older web site with fewer features but that you know will work.
...in 2017, chrome unflagged experimental lookbehind support in regular expressions, but no other browser supported it.
...the user is suspected to support look-behind regexps // do not use /(?<=[a-z])/.
...And 11 more matches

OpenSearch description format
opensearch is supported by (at least) firefox, edge, internet explorer, safari, and chrome.
... (see reference material for links to other browsers' documentation.) firefox also supports additional features not in the opensearch standard, such as search suggestions and the <searchform> element.
... this article focuses on creating opensearch-compatible search plugins that support these additional firefox features.
...And 11 more matches

XUL Migration Guide - Archive of obsolete content
next, we'll look at some of the main tasks involved in migrating: working with content scripts using the sdk's supported apis how to go beyond the supported apis when necessary, by: using third party modules using the sdk's low-level apis getting direct access to xpcom finally, we'll walk through a simple example.
... whether you should migrate a particular add-on is largely a matter of how well the sdk's supported apis meet its needs.
... if your add-on can accomplish everything it needs using only the supported apis, it's a good candidate for migration.
...And 10 more matches

Complete - Archive of obsolete content
however, because it is so simple it does not support some of the usual features of extensions.
...if you want to see these techniques in action, then you can download and install the complete allcustom extension: allcustom.xpi (the link is external only because this wiki does not support xpi files.) the extension does not contain any useful functions.
...it supports firefox, thunderbird, sunbird and flock—these are referred to as "firefox etc." in the rest of this page.
...And 10 more matches

WAI-ARIA basics - Learn web development
html5 provides special input types to render such controls: <input type="date"> <input type="range"> these are not well-supported across browsers, and it is also difficult to style them, making them not very useful for integrating with website designs.
... where is wai-aria supported?
...it is difficult to find a conclusive resource that states what features of wai-aria are supported, and where, because: there are a lot of features in the wai-aria spec.
...And 10 more matches

Index - Learn web development
55 making asynchronous programming easier with async and await beginner, codingscripting, guide, javascript, learn, promises, async, asynchronous, await more recent additions to the javascript language are async functions and the await keyword, part of the so-called ecmascript 2017 javascript edition (see ecmascript next support in mozilla).
...once again the relevant mdn page for each selector is helpful in explaining browser support.
... 124 styling tables article, beginner, css, codingscripting, guide, needsupdate, styling, tables with styling tables now behind us, we need something else to occupy our time.
...And 10 more matches

CSUN Firefox Materials
assistive technology support on windows "i am a full firefox convert with the release of 1.5.
..." -- darren paskell, from window-eyes beta testing list firefox works with popular screen readers, with the best support currently coming from gw micro's window-eyes 5.5.
... jaws support is quickly catching up as well.
...And 10 more matches

A bird's-eye view of the Mozilla framework
the article focuses on the architecture of the overall framework supporting the mozilla application suite, not the architecture of the individual applications themselves.
... organization this article first covers some conceptual groundwork, then walks through a user scenario to illustrate how key mozilla architectural components work together to support a simplehelp viewer ui action.
...suppose the client already has an nsirdfdatasource object representing a sub-graph of an rdf graph and calls nsirdfdatasource.gettarget(resource, nc_link, true) to obtain an nsirdfnode representing a specific node in the graph, in this case a link to ahelp viewer document page.
...And 10 more matches

NSS_3.12_release_notes.html
a.dev.tech.crypto contents introduction distribution information new in nss 3.12 bugs fixed documentation compatibility feedback introduction network security services (nss) 3.12 is a minor release with the following new features: sqlite-based shareable certificate and key databases libpkix: an rfc 3280 compliant certificate path validation library camellia cipher support tls session ticket extension (rfc 5077) nss 3.12 is tri-licensed under the mpl 1.1/gpl 2.0/lgpl 2.1.
...uleex (see secmod.h) sec_getregisteredhttpclient (see ocsp.h) sec_pkcs5isalgorithmpbealgtag (see secpkcs5.h) vfy_createcontextdirect (see cryptohi.h) vfy_createcontextwithalgorithmid (see cryptohi.h) vfy_verifydatadirect (see cryptohi.h) vfy_verifydatawithalgorithmid (see cryptohi.h) vfy_verifydigestdirect (see cryptohi.h) vfy_verifydigestwithalgorithmid (see cryptohi.h) new macros for camellia support (see blapit.h): nss_camellia nss_camellia_cbc camellia_block_size new macros for rsa (see blapit.h): rsa_max_modulus_bits rsa_max_exponent_bits new macros in certt.h: x.509 v3 ku_encipher_only cert_max_serial_number_bytes cert_max_dn_bytes pkix cert_rev_m_do_not_test_using_this_method cert_rev_m_test_using_this_method cert_rev_m_allow_network_fetching cert_rev_m_forbid_network_fetchi...
... tls session ticket extension (off by default) see ssl_enable_session_tickets in ssl.h new ssl error codes (see sslerr.h) ssl_error_unsupported_extension_alert ssl_error_certificate_unobtainable_alert ssl_error_unrecognized_name_alert ssl_error_bad_cert_status_response_alert ssl_error_bad_cert_hash_value_alert ssl_error_rx_unexpected_new_session_ticket ssl_error_rx_malformed_new_session_ticket new tls cipher suites (see sslproto.h): tls_rsa_with_camellia_128_cbc_sha tls_dhe_dss_with_camellia_128_cbc_sha tls_dhe_rsa_with_camellia...
...And 10 more matches

SpiderMonkey 1.8.5
—22 march 2011 platform support spidermonkey 1.8.5 is supported on all the platforms where firefox 4 runs.
...it is supported only on x86, x86_64 and arm architectures.
... support for extended class methods (in particular, jsequalityop) has been removed.
...And 10 more matches

customDBHeaders Preference
getting started to build upon the reply-to column tutorial, i'll describe the process i went through in developing a custom column to display a 'superfluous' column within thunderbird's main view.
... the data will come from a custom header labeled x-superfluous.
...in addition to the preference outlined in setting up extension development environment, you'll want to add the following preferences: // this allows you to add extra headers while composing messages user_pref("mail.compose.other.header", "x-superfluous,x-other,x-whatever"); // this enables the preservation of custom headers as incoming mail is processed user_pref( "mailnews.customdbheaders", "x-superfluous,x-other"); important: please pay careful attention to the case of the mailnews.customdbheaders preference.
...And 10 more matches

ByteLengthQueuingStrategy - Web APIs
desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetbytelengthqueuingstrategy experimentalchrome full support 59edge full support 16firefox full support 57disabled full support 57disabled disabled from version 57: this feature is behind the dom.streams.enabled preference (needs to be set to true) and the javascript.options.streams prefere...
...to change preferences in firefox, visit about:config.ie no support noopera full support 46safari ?
... webview android full support 59chrome android full support 59firefox android full support 57disabled full support 57disabled disabled from version 57: this feature is behind the dom.streams.enabled preference (needs to be set to true) and the javascript.options.streams preference (needs to be set to true).
...And 10 more matches

CountQueuingStrategy - Web APIs
desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetcountqueuingstrategy experimentalchrome full support 59edge full support 16firefox full support 57disabled full support 57disabled disabled from version 57: this feature is behind the dom.streams.enabled preference (needs to be set to true) and the javascript.options.streams prefere...
...to change preferences in firefox, visit about:config.ie no support noopera full support 46safari ?
... webview android full support 59chrome android full support 59firefox android full support 57disabled full support 57disabled disabled from version 57: this feature is behind the dom.streams.enabled preference (needs to be set to true) and the javascript.options.streams preference (needs to be set to true).
...And 10 more matches

Guide to the Fullscreen API - Web APIs
prefixing note: currently, only firefox 64 and chrome 71 supports this unprefixed.
... desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetfullscreen deprecatedchrome full support 71 full support 71 full support 15alternate name alternate name uses the non-standard name: webkitisfullscreenedge full support ≤79 full support ≤79 full support ...
... ≤79alternate name alternate name uses the non-standard name: webkitisfullscreenfirefox full support 64 full support 64 no support 49 — 65disabled disabled from version 49 until version 65 (exclusive): this feature is behind the full-screen-api.unprefix.enabled preference (needs to be set to true).
...And 10 more matches

NotificationEvent - Web APIs
desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetnotificationevent experimentalchrome full support 42edge full support ≤18firefox full support 44notes full support 44notes notes extended support releases (esr) before firefox 78 esr do not support service workers and the push api.ie ?
... opera full support 37safari ?
... webview android no support nochrome android full support 42firefox android full support 44opera android full support 37safari ios ?
...And 10 more matches

Geometry and reference spaces in WebXR - Web APIs
once created, an xrreferencespace guarantees a certain level of support for motion and orientation tracking, and provides a mechanism for obtaining an xrviewerpose from which you can get a matrix which represents the position and facing direction of the space relative to the world space, if the space represents a viewer such as the user's headset, an observer's headset, or a virtual camera.
...this is used for environments in which the user can physically move around, and is supported by all instances of xrsession, both immersive and inline, though it's most useful for inline sessions.
...to that end, webxr defines a set of standard spaces, called reference spaces, each of which supports a different technique for correlating its local space's reference frame coordinate system to the coordinate system of the space in which it exists.
...And 10 more matches

Starting up and shutting down a WebXR session - Web APIs
webxr availability as a new and still in development api, webxr support is limited to specific devices and browsers; and even on those, it may not be enabled by default.
... webxr polyfill the team designing the webxr specification has published a webxr polyfill which you can use to simulate webxr on browsers which don't have support for the webxr apis.
... if the browser supports the older webvr api, that is used.
...And 10 more matches

WritableStream - Web APIs
it shows the creation of the writablestream with a custom sink and an api-supplied queueing strategy.
... backpressure because of how backpressure is supported in the api, its implementation in code may be less than obvious.
... desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetwritablestream experimentalchrome full support 59edge full support 16firefox no support noie no support noopera full support 47safari ?
...And 10 more matches

<video>: The Video Embed element - HTML: Hypertext Markup Language
the html video element (<video>) embeds a media player which supports video playback into the document.
... the content inside the opening and closing <video></video> tags is shown as a fallback in browsers that don't support the element.
... attributes like all other html elements, this element supports the global attributes.
...And 10 more matches

Details of the object model - JavaScript
the subclass inherits all the properties of the superclass and additionally can add new properties or modify the inherited ones.
...in java, you specify the superclass within the class definition.
... you cannot change the superclass outside the class definition.
...And 10 more matches

Authoring MathML - MathML
using mathml mathml in html pages you can use presentation mathml inside html5 documents: <!doctype html> <html> <head> <title>mathml in html5</title> </head> <body> <h1>mathml in html5</h1> <p> square root of two: <math> <msqrt> <mn>2</mn> </msqrt> </math> </p> </body> </html> content mathml is not supported by browsers.
... fallback for browsers without mathml support unfortunately, some browsers are not able to render mathml equations or only have a limited support.
...there is also a similar script to display a warning at the top of the page for browsers without good mathml support and let the users choose between one of the fallback above: <script src="https://fred-wang.github.io/mathml-warning.js/mpadded-min.js"></script> if you don't want to use this link to github but instead to integrate these polyfills or others in your own project, you might need the detection scripts to verify the level of mathml support.
...And 10 more matches

page-mod - Archive of obsolete content
org": var pagemod = require("sdk/page-mod"); pagemod.pagemod({ include: "*.mozilla.org", contentscript: 'window.alert("page matches ruleset");' }); you can modify the document in your script: var pagemod = require("sdk/page-mod"); pagemod.pagemod({ include: "*.mozilla.org", contentscript: 'document.body.innerhtml = ' + ' "<h1>page matches ruleset</h1>";' }); you can supply the content script(s) in one of two ways: as a string literal, or an array of string literals, assigned to the contentscript option, as above as separate files supplied in your add-on's "data" directory.
... if you supply the scripts as separate files in the "data" directory, you specify them using with a url, typically constructed using the url() method of the self module's data object: var data = require("sdk/self").data; var pagemod = require("sdk/page-mod"); pagemod.pagemod({ include: "*.mozilla.org", contentscriptfile: data.url("my-script.js") }); var data = require("sdk/self").data; var pagemod = require("sdk/page-mod"); pagemod.pagemod({ include: "*.mozilla.org", contentscriptfile: [data.url("jquery-1.7.min.js"), data.url("my-script.js")] }); from firefox 34, you can use "./my-script.js" as an alias for self.data.url("my-script.js").
... the pagemod constructor takes a number of other options to control its behavior: contentstyle lists stylesheets to attach, supplied as strings.
...And 9 more matches

Frequently Asked Questions - Archive of obsolete content
this is either because your browser doesn't support svg (you must have mozilla firefox 1.5 or newer), or because the webpage/server isn't correctly telling mozilla that the file contains svg.
... can i use a plugin for svg instead of mozilla's native support?
...the native svg support must be turned off before mozilla will look to see if there's an svg plugin installed.
...And 9 more matches

Archived Mozilla and build documentation - Archive of obsolete content
activex control for hosting netscape plug-ins in ie microsoft has removed support for netscape plug-ins from ie 5.5 sp 2 and beyond.
...mozilla dtrace support has been added by the sun dtrace team and can be used on solaris 10 and mac os x 10.5.
...liveconnect gives your extension's javascript code (linked from or contained in xul code) access to 2 objects: java and packages (note that per this thread, although the new documentation for the liveconnect reimplementation states that these globals will be deprecated (in the context of applets), "firefox and the java plug-in will continue to support the global java/packages keywords, in particular in the context of firefox extensions.").
...And 9 more matches

Introduction to Public-Key Cryptography - Archive of obsolete content
certificates are one way of supporting authentication.
... client and server authentication are not the only forms of authentication that certificates support.
...the user must supply a name and password separately for each new server the user wishes to use during a work session.
...And 9 more matches

Client-side form validation - Learn web development
the presence of the required attribute on any element that supports this attribute means the element matches the :required pseudoclass whether it has a value or not.
...regular expressions are case-sensitive, but we've made it support capitalized as well as lower-case versions using an extra "aa" pattern nested inside square brackets.
... note: the <textarea> element doesn't support the pattern attribute.
...And 9 more matches

Introduction to client-side frameworks - Learn web development
it is an older framework that has less users than more modern alternatives such as react and vue, but it still enjoys a fair amount of popularity due to its stability, community support, and some clever coding principles.
...angular uses typescript, a superset of javascript that we’ll look at in a little more detail in the next chapter.
... some extra code is inevitable, and a framework that supports tree-shaking (removal of any code that isn't actually used in the app during the build process) will allow you to keep your applications small, but this is still a factor you need to keep in mind when considering your app's performance, especially on more network/storage-constrained devices, like mobile phones.
...And 9 more matches

Basics
"decrease input">-</a> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; right size: <a class="control" href="javascript:incrementinput('input12', 1);" title="increase input">+</a> <a class="control" href="javascript:incrementinput('input12',-1);" title="decrease input">-</a> <br/> (click these control buttons to see their effects.) </div> <p> each entry of the following matrix represents <math> <msup><mrow><mo>(</mo><mi>x</mi><mo>+</mo><mi>y</mi><mo>)</mo></mrow><mi>n</mi></msup> </math> for some <i>n</i>.
...</p> <div> <math display="block"> <mtable> <mtr> <mtd> <mtable align="axis" columnalign="left left left"> <mtr> <mtd> <maction id="a11" actiontype="toggle" selection="2"> <msup> <mrow> <mo>(</mo> <mrow> <mi>x</mi> <mo>+</mo> <mi>y</mi> </mrow> <mo>)</mo> </mrow> <mn>0</mn> </msup> <mn>1</mn> </maction> </mtd> <mtd> <maction id="a12" actiontype="toggle" selection="2"> <msup> <mrow> <mo>(</mo> <mrow> <mi>x</mi> <mo>+</mo> <mi>y</mi> </mrow> <mo>)</mo> </mrow> <mn>1</mn> </msup> <mrow> <mi>x</mi> <mo>+</mo> <mi>y</mi> </mrow> </maction> </mtd> <mtd> <maction id="a13" actiontype="tog...
...gle" selection="2"> <msup> <mrow> <mo>(</mo> <mrow> <mi>x</mi> <mo>+</mo> <mi>y</mi> </mrow> <mo>)</mo> </mrow> <mn>2</mn> </msup> <mrow> <msup> <mi>x</mi> <mn>2</mn> </msup> <mo>+</mo> <mrow> <mn>2</mn> <mo>&invisibletimes;</mo> <mi>x</mi> <mo>&invisibletimes;</mo> <mi>y</mi> </mrow> <mo>+</mo> <msup> <mi>y</mi> <mn>2</mn> </msup> </mrow> </maction> </mtd> </mtr> <mtr> <mtd> <maction id="a21" actiontype="toggle" selection="2"> <msup> <mrow> <mo>(</mo> <mrow> <mi>x</mi> <mo>+</mo> <mi>y</mi> </mrow> <mo>)</mo> </mrow> <mn>1</mn> </msup> <mrow> <mi>x</mi> <mo>+</mo> <mi>y</mi> </mrow> </maction> </mtd> <mtd> <maction id="a22" actiontype="toggle" selection="2"> <msup> <mrow> <mo>(</mo> <mrow> <mi>x</mi> <mo>+</mo> <mi>y</mi> </mrow> <mo>)</mo> </mrow> <mn>2</mn> </msup> <mrow> <msup> <mi>x</mi>...
...And 9 more matches

Fonts for Mozilla 2.0's MathML engine
these variant or part glyphs do not in general have unicode assignments, and so font-specific support is required for some characters.
... mozilla has general support for the common delimiters and arrows that have the necessary unicode assignments.
... for other characters, mozilla has font-specific support.
...And 9 more matches

Finishing the Component
the danger of using unfrozen interfaces suppose that you need to use the interface nsifoo that isn't frozen.
...moreover, since this interface was never supposed to be used by clients other than gecko or mozilla, the maintainers of the interface don't know that it's being used, and don't change the iid of the interface.
...but unfrozen interfaces are not supported in any formal way, and relying upon a different iid for any change in the interface is not a good idea either.
...And 9 more matches

Observer Notifications
you can cancel the shutdown from here by setting asubject.data to true (asubject is the first parameter to your observer, the data value is an nsisupportsprbool).
...the data value is an nsisupportsprbool.
... the window id can be obtained from subject.queryinterface(components.interfaces.nsisupportspruint64).data outer-window-destroyed nsidomwindow called when an outer window is disconnected from its docshell.
...And 9 more matches

nsIWebBrowserPersist
to create an instance, use: var webbrowserpersist = components.classes["@mozilla.org/embedding/browser/nswebbrowserpersist;1"] .createinstance(components.interfaces.nsiwebbrowserpersist); method overview void cancelsave(); void savechannel(in nsichannel achannel, in nsisupports afile); void savedocument(in nsidomdocument adocument, in nsisupports afile, in nsisupports adatapath, in string aoutputcontenttype, in unsigned long aencodingflags, in unsigned long awrapcolumn); void saveuri(in nsiuri auri, in nsisupports acachekey, in nsiuri areferrer, in long areferrerpolicy, in nsiinputstream apostdata, in string aextraheaders, in nsisupports afile, i...
...n nsiloadcontext aprivacycontext); void saveprivacyawareuri(in nsiuri auri, in nsisupports acachekey, in nsiuri areferrer, in long areferrerpolicy, in nsiinputstream apostdata, in string aextraheaders, in nsisupports afile, in boolean aisprivate); attributes attribute type description currentstate unsigned long current state of the persister object.
...the object that the embbedder supplies may also implement nsiinterfacerequestor and be prepared to return nsiauthprompt or other interfaces that may be required to download data.
...And 9 more matches

Document.execCommand() - Web APIs
syntax document.execcommand(acommandname, ashowdefaultui, avalueargument) return value a boolean that is false if the command is unsupported or disabled.
...don't try using the return value to verify browser support before calling a command.
...(not supported by internet explorer.) copy copies the current selection to the clipboard.
...And 9 more matches

Media Capabilities API - Web APIs
the media capabilities api allows developers to determine decoding and encoding abilities of the device, exposing information such as whether media is supported and whether playback should be smooth and power efficient, with real time feedback about playback to better enable adaptive streaming, and access to display property information.
... examples detect audio file support and expected performance this example defines a audio configuration then checks to see if the user agent supports decoding that media configuration, and whether it will perform well in terms of smoothness and power efficiency.
... if ('mediacapabilities' in navigator) { const audiofileconfiguration = { type : 'file', audio : { contenttype: "audio/mp3", channels: 2, bitrate: 132700, samplerate: 5200 } }; navigator.mediacapabilities.decodinginfo(audiofileconfiguration).then(result => { console.log('this configuration is ' + (result.supported ?
...And 9 more matches

Using the Resource Timing API - Web APIs
function calculate_load_times() { // check performance support if (performance === undefined) { console.log("= calculate load times: performance not supported"); return; } // get a list of "resource" performance entries var resources = performance.getentriesbytype("resource"); if (resources === undefined || resources.length <= 0) { console.log("= calculate load times: there are no `resource` performance records"); return; } ...
... function display_size_data(){ // check for support of the performanceresourcetiming.*size properties and print their values // if supported.
... if (performance === undefined) { console.log("= display size data: performance not supported"); return; } var list = performance.getentriesbytype("resource"); if (list === undefined) { console.log("= display size data: performance.getentriesbytype() is not supported"); return; } // for each "resource", display its *size property values console.log("= display size data"); for (var i=0; i < list.length; i++) { console.log("== resource[" + i + "] - " + list[i].name); if ("decodedbodysize" in list[i]) console.log("...
...And 9 more matches

Variable fonts guide - CSS: Cascading Style Sheets
for example linux oses need the latest linux freetype version, and macos prior to 10.13 does not support variable fonts.
...the lower-level syntax (font-variation-settings) was the first mechanism implemented in order to test the early implementations of variable font support, and is necessary to utilize new or custom axes beyond the five registered ones.
...if a number value supplied is outside the range encoded in the font, the browser should render the font at the closest value allowed.
...And 9 more matches

break-before - CSS: Cascading Style Sheets
support in multi-column layout desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetsupported in multi-column layoutchrome full support 50edge full support 12firefox full support ...
... 65ie full support 10opera full support 37 full support 37 no support 11.1 — 12.1safari no support nowebview android full support 50chrome android full support 50firefox android full support 65opera android full support 37 full support 37 no support 11.1 — 12.1safari ios no support ...
...nosamsung internet android full support 5.0always experimentalchrome no support noedge no support nofirefox no support noie no support noopera no support nosafari no support nowebview android no support nochrome android no support nofirefox android no support noopera android no support nosafari ios ...
...And 9 more matches

MCD, Mission Control Desktop, AKA AutoConfig - Archive of obsolete content
thunderbird (previous release) support of autoconfig and ldap calls below is a "try and catch" we had in previous release of thunderbird where that feature wasn't compiled in by default, it can help if needed ...
... unfortunately, the autoconfig option and ldap support for autoconfig (getldapattributes) was not compiled in fedora11 default thunderbird package (thunderbird-3.0-2.3.beta2.fc11.src.rpm) .
... autoconfig option and ldap support in thunderbird 1.5.x fortunately, autoconfig is now part of thunderbird default packages.
...And 8 more matches

XUL Questions and Answers - Archive of obsolete content
loading remote dtds for xml documents is currenty not supported in xul.
... is there an editor widget in xul that supports syntax highlighting?
... there are several options for displaying graphics and animation in xul: <html:canvas> svg <xul:image> (static images or animated gif; support for apng is planned) plugins templates with non-rdf datasources?
...And 8 more matches

Using the Right Markup to Invoke Plugins - Archive of obsolete content
with the release of netscape 7.1, this kind of activex use of the object element is supported for use with the microsoft® windows media player.
... only the windows media player is supported as an activex control in netscape 7.1.
... browsers such as netscape 7 will not render the flash plugin if the above kind of markup is used, because netscape 7 does not support activex or activex-based component invocations, with the exception of windows media player in netscape 7.1.
...And 8 more matches

The HTML5 input types - Learn web development
note: most of the features discussed in this article have wide support across browsers.
...if you want more detail on browser support, you should consult our html forms element reference, and in particular our extensive <input> types reference.
... note: number inputs are not supported in versions of internet explorer below 10.
...And 8 more matches

Introduction to Network Security Services
network security services (nss) is a set of libraries designed to support cross-platform development of communications applications that support ssl, s/mime, and other internet security standards.
... for a general overview of nss and the standards it supports, see overview of nss.
...three shared libraries export public functions: the ssl library supports core ssl operations.
...And 8 more matches

NSS tools : modutil
modutil supports two types of databases: the legacy security databases (cert8.db, key3.db, and secmod.db) and new sqlite databases (cert9.db, key4.db, and pkcs11.txt).
... modutil supports several mechanisms: rsa, dsa, rc2, rc4, rc5, aes, des, dh, sha1, sha256, sha512, ssl, tls, md5, md2, random (for random number generation), and friendly (meaning certificates are publicly readable).
... modutil -create -dbdir [sql:]directory adding a cryptographic module adding a pkcs #11 module means submitting a supporting library file, enabling its ciphers, and setting default provider status for various security mechanisms.
...And 8 more matches

NSS tools : modutil
modutil supports two types of databases: the legacy security databases (cert8.db, key3.db, and secmod.db) and new sqlite databases (cert9.db, key4.db, and pkcs11.txt).
... modutil supports several mechanisms: rsa, dsa, rc2, rc4, rc5, aes, des, dh, sha1, sha256, sha512, ssl, tls, md5, md2, random (for random number generation), and friendly (meaning certificates are publicly readable).
... modutil -create -dbdir [sql:]directory adding a cryptographic module adding a pkcs #11 module means submitting a supporting library file, enabling its ciphers, and setting default provider status for various security mechanisms.
...And 8 more matches

Plug-in Basics - Plugins
i found other way how check which paths support firefox : $ strace -y /usr/bin/firefox 2>&1 | grep acces | grep -v search | grep plugins access("/home/user_name/.mozilla/firefox/dqh2nb5k.default-1441864569209/plugins", f_ok) = -1 enoent (no such file or directory) access("/home/user_name/.mozilla/plugins", f_ok) = -1 enoent (no such file or directory) access("/usr/lib64/firefox/browser/plugins", f_ok) = -1 enoent (no such file or director...
... firefox and opensuse probably use "moz_plugin_path environment variable" in script to run firefox, so in this way /usr/lib64/mozilla/plugins also should be supported.
...gecko displays a page listing all installed plug-ins and the mime types they handle, as well as optional descriptive information supplied by the plug-in.
...And 8 more matches

FileSystemDirectoryEntry - Web APIs
desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetfilesystemdirectoryentry experimentalchrome full support 8alternate name full support 8alternate name alternate name uses the non-standard name: directoryentryedge full support 79prefixed full support 79prefixed prefixed implemented with the vendor prefix: webkitfirefox ...
... full support 50ie no support noopera full support yesprefixed full support yesprefixed prefixed implemented with the vendor prefix: webkitsafari full support 11.1webview android full support ≤37alternate name full support ≤37alternate name alternate name uses the non-standard name: directoryentrychrome android full support 18alternate name full support 18alternate name alternate name uses the non-standa...
...rd name: directoryentryfirefox android full support 50opera android no support nosafari ios full support 11.3samsung internet android full support yesprefixed full support yesprefixed prefixed implemented with the vendor prefix: webkitcreatereader experimentalchrome full support 13edge full support 79firefox full support 50ie no support noopera no support ...
...And 8 more matches

FontFaceSetLoadEvent - Web APIs
desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetfontfacesetloadevent experimentalchrome full support 35edge full support ≤79firefox full support yesie ?
... opera full support 22safari ?
... webview android no support nochrome android full support 35firefox android full support yesopera android full support 22safari ios ?
...And 8 more matches

Using IndexedDB - Web APIs
// moreover, you may need references to some window.idb* objects: window.idbtransaction = window.idbtransaction || window.webkitidbtransaction || window.msidbtransaction || {read_write: "readwrite"}; // this line should only be needed if it is needed to support the object's constants for older browsers window.idbkeyrange = window.idbkeyrange || window.webkitidbkeyrange || window.msidbkeyrange; // (mozilla has never prefixed these objects, so we don't need window.mozidb*) beware that implementations that use a prefix may be buggy, or incomplete, or following an old version of the specification.
...it may be preferable to not support a browser than to claim to support it and fail: if (!window.indexeddb) { console.log("your browser doesn't support a stable version of indexeddb.
... blink/webkit supports the current version of the spec, as shipped in chrome 23+ and opera 17+; ie10+ does too.
...And 8 more matches

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.
...the server supports several message types to handle tasks, such as registering new users, setting usernames, and sending public chat messages.
... to allow the server to support signaling and ice negotiation, we need to update the code.
...And 8 more matches

HTML in XMLHttpRequest - Web APIs
the w3c xmlhttprequest specification adds html parsing support to xmlhttprequest, which originally supported only xml parsing.
... limitations to discourage the synchronous use of xmlhttprequest, html support is not available in the synchronous mode.
... also, html support is only available if the responsetype property has been set to "document".
...And 8 more matches

WebKit CSS extensions - CSS: Cascading Style Sheets
applications based on webkit or blink, such as safari and chrome, support a number of special webkit extensions to css.
...old prefixed syntax is still supported in some browsers.
...phasis-style -webkit-text-justify -webkit-text-orientation -webkit-text-size-adjust -webkit-text-underline-position -webkit-transform -webkit-transform-origin -webkit-transform-style -webkit-transition -webkit-transition-delay -webkit-transition-duration -webkit-transition-property -webkit-transition-timing-function u-w -webkit-user-select -epub-word-break -epub-writing-mode supported in non-webkit browsers without a prefix, but not standard the following properties are supported in at least one browser without a prefix, but are not on the standards track.
...And 8 more matches

break-after - CSS: Cascading Style Sheets
support in multi-column layout desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetsupported in multi-column layoutchrome full support 50edge full support 12firefox no support ...
... noie full support 10opera full support 37 full support 37 no support 11.1 — 12.1safari no support nowebview android full support 50chrome android full support 50firefox android no support noopera android full support 37 full support 37 no support 11.1 — 12.1safari ios no support nosa...
...msung internet android full support 5.0alwayschrome no support noedge no support nofirefox no support noie no support noopera no support nosafari no support nowebview android no support nochrome android no support nofirefox android no support noopera android no support nosafari ios no suppor...
...And 8 more matches

<img>: The Image Embed element - HTML: Hypertext Markup Language
supported image formats the html standard doesn't list what image formats to support, so each user agent supports different formats.
... a complete guide to image formats supported by web browsers is available.
..., opera, safari tiff tagged image file format image/tiff .tif, .tiff none built-in; add-ons required webp web picture format image/webp .webp chrome, edge, firefox, opera the abbreviation for each format links to a longer description of the format, its capabilities, and detailed browser compatibility information; including which versions introduced support and specific special features that may have been introduced later.
...And 8 more matches

Tools for SVG - SVG: Scalable Vector Graphics
browser support as of internet explorer 9, all major browsers support svg: ie 9, mozilla firefox, safari, google chrome and opera.
... mobile devices with webkit-based browsers also support svg.
... on older or smaller devices, chances are that svg tiny is supported.
...And 8 more matches

ui/toolbar - Archive of obsolete content
unlike a panel, a toolbar: does not overlap with any web content is persistent, remaining visible until the user chooses to close it is a fixed size, and appears in a fixed location usage creating and destroying toolbars you don't specify toolbar content directly: instead, you create other ui components and supply them to the toolbar constructor.
... you can supply three sorts of ui components: action buttons toggle buttons frames this add-on builds part of the user interface for a music player using action buttons for the controls and a frame to display art and the currently playing song: var { actionbutton } = require('sdk/ui/button/action'); var { toolbar } = require("sdk/ui/toolbar"); var { frame } = require("sdk/ui/frame"); var previous = actionbutton({ id: "previous", label: "previous", icon: "./icons/previous.png" }); var next = actionbutton({ id: "next", label: "next", icon: "./icons/next.png" }); var play = actionbutton({ id: "play", label: "play", icon: "./icons/play.png" }); var frame = new frame({ url: "./frame-player.html" }); var toolbar = toolbar({ title: "player", items: [previous, nex...
...the only mandatory option is title, but for the toolbar to contain any actual content, the items parameter must also be supplied, and must contain at least object.
...And 7 more matches

jpm - Archive of obsolete content
jpm usage is: jpm [command] [options] jpm supports the following global options: -h, --help - show a help message and exit -v, --version - print the jpm version number --addon-dir - directory for your source code, defaulting to the current directory installation jpm is distributed with the node package manager npm.
... command reference jpm supports the following commands: jpm init create a skeleton add-on as a starting point for your add-on.
... mkdir my-addon cd my-addon jpm init you'll then be asked to supply some information about your add-on: this will be used to create your add-on's package.json file.
...And 7 more matches

What text editors are available? - Learn web development
do i need support/help while using my text editor?
... here are some popular editors: editor licence price os support doc.
... change syntax highlighting settings and colors play with indentation width, setting it to an appropriate setting for your needs check autosave and session saving settings configure any available plugins and investigate how to get new ones change color schemes adjust view settings and see how you can change the layout of the views check what programming languages/technologies your editor supports while you're learning the default settings of most text editors should be fine to use, but it is important to become familiar with your chosen tools, so you can select the best one for your usage.
...And 7 more matches

Overview of Mozilla embedding APIs
mozilla's xpcom layer consists of a component model (called xpcom) and the infrastructure necessary to support dynamic registration, instantiation and manipulation of xpcom components.
... nsstring there are a collection of string classes which support both unicode and ascii strings.
... nsweakptr this is an nscomptr which encapsulates xpcom weak reference support.
...And 7 more matches

Introduction to NSPR
nspr threads are scheduled in two separate domains: local threads are scheduled within a process only and are handled entirely by nspr, either by completely emulating threads on each host operating system (os) that doesn't support threads, or by using the threading facilities of each host os that does support threads to emulate a relatively large number of local threads by using a relatively small number of native threads.
... setting thread priorities the host operating systems supported by nspr differ widely in the mechanisms they use to support thread priorities.
... the issue is further muddied by inconsistent offerings from os vendors regarding the priority of their kernel-supported threads.
...And 7 more matches

JSS FAQ
does jss have 64 bit support?
... how can i tell which ssl/tls ciphers jss supports?
... jss 3.2 has jca support.
...And 7 more matches

NSS functions
in addition to the functions listed here, applications that support ssl use some of the certificate functions, crypto functions, and utility functions described below on this page.
... other sources of information: the nss_reference documents the functions most commonly used by applications to support ssl.
...the nss version column indicates which versions of nss support the function.
...And 7 more matches

Gecko object attributes
« at apis support page introduction you can obtain object attributes by nsiaccessible.getattributes() method.
...see the live region support for more information.
...see the live region support for more information.
...And 7 more matches

Component Internals
these latter supply ease-of-development utilities like smart pointers, generic modules support, and simple string implementations.
...additionally, it relates the components to the type libraries in which the binary representations of the interfaces they support are defined.
...there are two supported ways to go about registering your xpcom component.
...And 7 more matches

nsIWebNavigationInfo
1.0 66 introduced gecko 1.8 inherits from: nsisupports last changed in gecko 1.8 (firefox 1.5 / thunderbird 1.5 / seamonkey 1.0) implemented by: @mozilla.org/webnavigation-info;1 as a service: var webnavigationinfo = components.classes["@mozilla.org/webnavigation-info;1"] .getservice(components.interfaces.nsiwebnavigationinfo); method overview unsigned long istypesupported(in acstring atype, in nsiwebnavigation awebnav); constants support type constants constant value description unsupported 0 returned by istypesupported() to indicate lack of support fo...
... note: this is guaranteed not to change, so that boolean tests can be done on the return value if istypesupported to detect whether a type is supported at all.
... image 1 returned by istypesupported() to indicate that a type is supported as an image.
...And 7 more matches

Weak reference
but in this design, by hitching its life to the observable, it is kept on life-support long past any need or use.
... the following assumes that any nsiobserver that is passed in also implements nsisupportsweakreference.
...additionally, nscomptr now supports the new key do_queryreferent to simplify life even further.
...And 7 more matches

Index
the following preferences are supported to control how this gets logged: 30 gloda examples thunderbird 3, thunderbird this page provides some examples for using gloda.
...glodaabindexer has the limited address book support.
... 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.
...And 7 more matches

Slottable - Web APIs
desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetslottable experimentalchrome full support 53edge full support 79firefox full support 63 full support 63 no support 59 — 63disabled disabled from version 59 until version 63 (exclusive): this feature is behind the dom.webcomponents.shadowdom.enab...
... no support ?
...to change preferences in firefox, visit about:config.ie no support noopera full support 40safari full support 10.1webview android full support 53chrome android full support 53firefox android full support 63 full support 63 no support 5...
...And 7 more matches

SubtleCrypto.unwrapKey() - Web APIs
notsupported raised when trying to use an algorithm that is either unknown or isn't suitable for encryption or wrapping.
... supported algorithms the unwrapkey() method supports the same algorithms as the wrapkey() method.
... /* salt that is to be used in derivation of the key-wrapping key, alongside the password the user supplies.
...And 7 more matches

ARIA Test Cases - Accessibility
or copy-paste: http://oaa-accessibility.org/examples/ for each example we test the "expected" results with assistive technologies, for each browser that at supports wai-aria in.
... voiceover (leopard) n/a n/a - fail window-eyes - - - - nvda - - - - zoom (leopard) pass n/a pass pass zoomtext - - - - orca - - - - table legend - no info/test yet n/a not applicable (not supported technically) pass expected behaviour met fail expected behaviour notmet 1.
...if an item is focused within the list, this should be announced next, followed by an indication of this item's position within the list if the screen reader supports this in other lists as well.
...And 7 more matches

Accessibility documentation index - Accessibility
it supplements html so that interactions and widgets commonly used in applications can be passed to assistive technologies 3 aria screen reader implementors guide aria, accessibility this is just a guide.
...the intention is to strike a balance between providing useful guidance on how to use the markup's intended meaning while supporting live regions as an area for screen readers to innovate and compete.
... 4 aria test cases aria, accessibility for each example we test the "expected" results with assistive technologies, for each browser that at supports wai-aria in.
...And 7 more matches

Using URL values for the cursor property - CSS: Cascading Style Sheets
gecko 1.8 supports url values for the css cursor property on windows and linux.
... mac support was added in gecko 2 (firefox 4).
... this allows specifying arbitrary images as mouse cursors — any image format supported by gecko can be used.
...And 7 more matches

background-size - CSS: Cascading Style Sheets
desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetbackground-sizechrome full support 3 full support 3 full support 1prefixed notes prefixed implemented with the vendor prefix: -webkit-notes webkit-based browsers originally implemented an older draft of css3 background-size in which an omitted second value is treated as duplicating the first value; this draft ...
...does not include the contain or cover keywords.edge full support 12firefox full support 4 full support 4 full support 49prefixed prefixed implemented with the vendor prefix: -webkit- no support 3.6 — 4prefixed prefixed implemented with the vendor prefix: -moz-ie full support 9opera full support 10 full support 10 full support 15prefixed notes prefixed implemented with the vendor prefix: -webkit-notes webkit-base...
... no support 9.5 — 15prefixed notes prefixed implemented with the vendor prefix: -o-notes opera 9.5's computation of the background positioning area is incorrect for fixed backgrounds.
...And 7 more matches

font-variant - CSS: Cascading Style Sheets
desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetfont-variantchrome full support 1edge full support 12firefox full support 1ie full support 4opera full support 3.5safari full support 1webview android full s...
...upport 1chrome android full support 18firefox android full support 4opera android full support 11safari ios full support 1samsung internet android full support 1.0css fonts module level 3 shorthandchrome full support 52edge full support 79firefox full support 34 full support 34 no support 33 — 34disabled disabled from version 33 until vers...
...to change preferences in firefox, visit about:config.ie no support noopera full support 39safari full support 9.1webview android full support 52chrome android full support 52firefox android full support 34 full support 34 no support 33 — 34disabled disabled from version 33 until version 34 (exclusive): this feature is behind the layout.css.
...And 7 more matches

position - CSS: Cascading Style Sheets
desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetpositionchrome full support 1edge full support 12firefox full support 1notes full support 1notes notes before firefox 57, absolute positioning did not work correctly when applied to elements inside tables that have border-collapse applied to them (bug 137930...
...6).notes before firefox 30, absolute positioning of table rows and row groups was not supported (bug 63895).ie full support 4opera full support 4safari full support 1webview android full support ≤37chrome android full support 18firefox android full support 4notes full support 4notes notes before firefox 57, absolute positioning did not work correctly when applied to elements inside tables that have border-collapse applied to them (bug 1379306).notes before firefox 30, absolute pos...
...itioning of table rows and row groups was not supported (bug 63895).opera android full support 14safari ios full support 1samsung internet android full support 1.0absolutely-positioned flex childrenchrome full support 52edge full support 12firefox full support 52ie full support 10opera full support 39safari full support 11webview android full support ...
...And 7 more matches

<input type="range"> - HTML: Hypertext Markup Language
if the user's browser doesn't support type range, it will fall back and treat it as a text input.
... events change and input supported common attributes autocomplete, list, max, min, and step idl attributes list, value, and valueasnumber methods stepdown() and stepup() validation there is no pattern validation available; however, the following forms of automatic validation are performed: if the value is set to something which can't be converted into a valid floating-point number, validation fails because the input is suffering from a bad input.
... see the range control with hash marks below for an example of how the options on a range are denoted in supported browsers max the greatest value in the range of permitted values.
...And 7 more matches

HTML elements reference - HTML: Hypertext Markup Language
<rp> the html ruby fallback parenthesis (<rp>) element is used to provide fall-back parentheses for browsers that do not support display of ruby annotations using the <ruby> element.
... <sup> the html superscript element (<sup>) specifies inline text which is to be displayed as superscript for solely typographical reasons.
... image and multimedia html supports various multimedia resources such as images, audio, and video.
...And 7 more matches

Inheritance and the prototype chain - JavaScript
the new keywords include class, constructor, static, extends, and super.
... 'use strict'; class polygon { constructor(height, width) { this.height = height; this.width = width; } } class square extends polygon { constructor(sidelength) { super(sidelength, sidelength); } get area() { return this.height * this.width; } set sidelength(newlength) { this.height = newlength; this.width = newlength; } } var square = new square(2); performance the lookup time for properties that are high up on the prototype chain can have a negative impact on the performance, and this may be significant in the code where performance is critical.
... name example(s) pro(s) con(s) new-initialization function foo(){} foo.prototype = { foo_prop: "foo val" }; function bar(){} var proto = new foo; proto.bar_prop = "bar val"; bar.prototype = proto; var inst = new bar; console.log(inst.foo_prop); console.log(inst.bar_prop); supported in every browser imaginable (support goes all the way back to ie 5.5!).
...And 7 more matches

WebAssembly.Table - JavaScript
desktopmobileserverchromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetnode.jstablechrome full support 57edge full support 16firefox full support 52notes full support 52notes notes disabled in the firefox 52 extended support release (esr).ie no support noopera full suppor...
...t 44safari full support 11webview android full support 57chrome android full support 57firefox android full support 52notes full support 52notes notes disabled in the firefox 52 extended support release (esr).opera android full support 43safari ios full support 11samsung internet android full support 7.0nodejs full support 8.0.0table() constructorchrome ...
... full support 57edge full support 16firefox full support 52notes full support 52notes notes disabled in the firefox 52 extended support release (esr).ie no support noopera full support 44safari full support 11webview android full support 57chrome android full support 57firefox android full support 52notes full support ...
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Media type and format guide: image, audio, and video content - Web media technologies
since nearly its beginning, the web has included support for some form of visual media presentation.
...the modern web has powerful features to support the presentation and manipulation of media, with several media-related apis supporting various types of content.
... generally, the media formats supported by a browser are entirely up to the browser's creators, which can complicate the work of a web developer.
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Add to Home screen - Progressive web apps (PWAs)
what browsers support a2hs?
... a2hs is supported in all mobile browsers, except ios webview.
... it's also supported in some chromium desktop browsers.
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The building blocks of responsive design - Progressive web apps (PWAs)
it is usually much better to create a single version of your code which doesn't care about what browser or platform is accessing the site, but instead uses feature tests to find out what code features the browser supports or what the values of certain browser features are, and then adjusts the code appropriately.
...you don't get caught in the situation of having to bring out more new site versions as more new browsers and platforms come out, and adjust code as feature support in existing browsers changes.
...this is probably a more logical place to put such information, but the spec is not as well supported as the viewport meta tag, therefore you should stick with that for now.
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l10n - Archive of obsolete content
localized strings are supplied by the add-on developer in .properties files stored in the add-ons "locale" directory.
... if you're supplying different localizations for a string depending on the number of items (that is, whether to use a singular or plural form) then get() takes a second integer parameter which indicates the number of items there are.
... you can supply one or more placeholders to get(), which are strings, such as proper names, that should not be translated themselves but instead should be inserted into the translated string.
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Preferences - Archive of obsolete content
however, there is a concept of complex types, which makes it easier for developers to save and load nsilocalfile and nsisupportsstring objects in preferences (as strings — note that from the preferences system's point of view, complex values have a nsiprefbranch.pref_string type.) there are two nsiprefbranch methods implementing the concept — setcomplexvalue() and getcomplexvalue().
...here are the idl definitions: void getcomplexvalue(in string aprefname, in nsiidref atype, [iid_is(atype), retval] out nsqiresult avalue); void setcomplexvalue(in string aprefname, in nsiidref atype, in nsisupports avalue); as you can see, both of them take a parameter, atype, which can have one of the following values (to be precise, you should pass components.interfaces.nsiwhatever instead of just nsiwhatever, which is undefined).
... nsisupportsstring used to handle unicode strings in preferences.
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Migrating from Internal Linkage to Frozen Linkage - Archive of obsolete content
use .setlength() instead: nsstring mystring = somestring; - mystring.truncate(4); + mystring.setlength(4); the frozen string api doesn't support the iterator or const_iterator classes, but you can use pointers the same way: nsstring mystring = somestring; - nsstring::const_iterator begin, end;- mystring.beginreading(begin); mystring.endreading(end); + const prunichar *begin, *end;+ mystring.beginreading(&begin, &end); the frozen string api uses comparator functions instead of a virtual comparator class.
...you need to supply the appropriate conversion yourself.
...these classes must now be created using xpcom: // nsisupportsarray is bad!
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Drag and Drop JavaScript Wrapper - Archive of obsolete content
« previousnext » gecko 1.9.1 (firefox 3.5) and later supports a newer and simpler api.
...getsupportedflavours() this function should return a list of flavors that the object being dragged over can accept.
...for elements that can have objects dropped on them, you should define ondragover, ondrop and getsupportedflavours (and, if desired, ondragexit).
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The Joy of XUL - Archive of obsolete content
the key features and benefits of xul will be explored followed by an examination of supporting mozilla technologies.
... in fact, many developers invest a significant amount of effort to achieve these results in their dhtml web applications but at the cost of complexity and performance and without any supporting standards.
...considering the broad range of platforms that currently support mozilla, this may be one of the most compelling features of xul as a technology for building applications.
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Common Firefox theme issues and solutions - Archive of obsolete content
please see the following threads on mozillazine for solutions to this issue: http://forums.mozillazine.org/viewtopic.php?f=18&t=2131121 http://forums.mozillazine.org/viewtopic.php?f=18&t=1953371&start=60 windows 7 aero not going into full screen mode properly on win7 with aero glass support firefox doesn't always go to full screen mode from a normal window properly.
... the resolution to this issue is to add the following code to your browser.css file somewhere below where the main-window is made transparent to support aero glass.
...themes that use -moz-border-image and support both firefox 14 and newer as well as older versions of firefox need to use both the older and newer methodologies like the following example.
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Using the W3C DOM - Archive of obsolete content
w3c dom standards are well supported by modern browsers, however the standards are moving target so support for newer features should be tested before use.
... using w3c standards means that code will run in compliant browsers with minimal need for cross-browser support, whereas code based on proprietary standards requires much more effort to be compatible with multiple user agents.
... unsupported dom-related properties the following ie proprietary document object properties are not supported in the w3c document object model: document.layers[] id_attribute_value document.all document.all.id_attribute_value document.all[id_attribute_value] the following form related properties (originally from internet explorer) are not supported in the w3c document object model: formname.inputname.value inputname.value formctrlname document.forms(0) (note: document.forms[0] (using square brackets) uses the dom standard forms collection) scripts that use these properties will throw errors in most standards-compliant browsers.
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HTML forms in legacy browsers - Learn web development
and html5 <input> types don't fail when not supported: they fall back to type=text.
...just check the support of the elements (or dom interface) you want to use.
...there are other resources that can be amazingly helpful: browser vendor documentation mozilla: you're in the right place, just browse mdn microsoft: internet explorer standards support documentation webkit: because there are several different editions of this engine, things are a little trickier.
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Other form controls - Learn web development
note: all browsers that support the <select> element also support the multiple attribute.
... <label for="myfruit">what's your favorite fruit?</label> <input type="text" name="myfruit" id="myfruit" list="mysuggestion"> <datalist id="mysuggestion"> <option>apple</option> <option>banana</option> <option>blackberry</option> <option>blueberry</option> <option>lemon</option> <option>lychee</option> <option>peach</option> <option>pear</option> </datalist> datalist support and fallbacks almost all browsers support datalist, but if you are still supporting older browsers such as ie versions below 10, there is a trick to provide a fallback: <label for="myfruit">what is your favorite fruit?
...tlist"> <datalist id="fruitlist"> <label for="suggestion">or pick a fruit</label> <select id="suggestion" name="altfruit"> <option>apple</option> <option>banana</option> <option>blackberry</option> <option>blueberry</option> <option>lemon</option> <option>lychee</option> <option>peach</option> <option>pear</option> </select> </datalist> browsers that support the <datalist> element will ignore all the elements that are not <option> elements, with the datalist working as expected.
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Multimedia: Images - Learn web development
both formats support transparency.
... other formats improve on jpeg's capabilities in regards to compression, but are not available on every browser: webp — created by google and nowadays supported by all major browsers except safari.
... supports transparency and also animation, but not progressive display.
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Introducing a complete toolchain - Learn web development
many of today's code editors (such as vs code and atom) have integration support for a lot of tools via plugins.
... for our sample project, we'll be using a toolchain specifically designed to aid our software development and support the technical choices made during the software design phase.
... we will however be avoiding any superfluous tooling, with the aim of keeping complexity to a minimum.
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Mozilla's Section 508 Compliance
incomplete, we show focus but need to expose it programmatically by supporting carbon/cocoa accessibility.
...mozilla supports of <blink> and text-decoration: blink in web pages.
... functional performance criteria requirement windows linux/unix mac os requirement windows linux/unix mac os a) at least one mode of operation and information retrieval that does not require user vision shall be provided, or support for assistive technology used by people who are blind or visually impaired shall be provided.
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Software accessibility: Where are we today?
consistent keyboard support and hotkeys many people can't use a mouse.
... extremely consistent keystroke support is a very important consideration.
... blind testers have knack for finding ways to improve keystroke support in almost any given piece of software.
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Error codes returned by Mozilla APIs
this could occur because the implementation has not yet been written, or because the component intentionally does not support the desired feature.
... ns_error_no_interface (0x80004002) an attempt was made to call queryinterface to retrieve an interface which an object does not support.
... ns_error_illegal_value (0x80070057) an argument supplied to a method was not valid, for instance a null value was supplied as an argument which does not allow null values, or a value was out of range.
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IME handling guide
e10s support even when a remote process has focus, native ime handler in chrome process does its job.
...supported event messages of them are: equeryselectedtext (only with selectiontype::enormal) equerytextcontent equerytextrect equerycaretrect equeryeditorrect additionally, this does not support query content events with xp line breakers but this must not be any problem since native ime handlers query contents with native line breakers.
... on some platforms, ime may support its own style for each clause.
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Implementing QueryInterface
if ( !ainstanceptr ) return ns_error_null_pointer; nsisupports* foundinterface; if ( aiid.equals(nscomtypeinfo<nsix>::getiid()) ) foundinterface = ns_static_cast(nsix*, this); else if ( aiid.equals(nscomtypeinfo<nsiy>::getiid()) ) foundinterface = ns_static_cast(nsiy*, this); // ...as many cases as needed...
... else if ( aiid.equals(nscomtypeinfo<nsisupports>::getiid()) ) foundinterface = ns_static_cast(nsisupports*, ns_static_cast(nsix*, this)); // i (may) have multiple |nsisupports| in me, // so first i cast to a specific base to avoid ambiguity else foundinterface = 0; nsresult status; if ( !foundinterface ) status = ns_nointerface; else { ns_addref(foundinterface); status = ns_ok; } *ainstanceptr = foundinterface; return status; } what's so good about it?
... some alternatives the ns_impl_query_interface[012] macros the sample above implements two xpcom interfaces in addition to nsisupports.
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nsICollection
xpcom/ds/nsicollection.idlscriptable this interface represents a list of nsisupports items.
... inherits from: nsiserializable last changed in gecko 1.7 method overview void appendelement(in nsisupports item); void clear(); pruint32 count(); nsienumerator enumerate(); nsisupports getelementat(in pruint32 index); void queryelementat(in pruint32 index, in nsiidref uuid, [iid_is(uuid),retval] out nsqiresult result); void removeelement(in nsisupports item); void setelementat(in pruint32 index, in nsisupports item); methods appendelement() appends a new item to the collection.
... void appendelement( in nsisupports item ) parameters item nsisupports item to be appended to the list.
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nsIDOMNSHTMLDocument
dom/interfaces/html/nsidomnshtmldocument.idlscriptable this interface defines methods and properties supported by gecko on the document object that are not part of dom level 2.
... inherits from: nsisupports last changed in gecko 6.0 (firefox 6.0 / thunderbird 6.0 / seamonkey 2.3) method overview void captureevents(in long eventflags); void clear(); boolean execcommand(in domstring commandid, in boolean doshowui, in domstring value); boolean execcommandshowhelp(in domstring commandid); obsolete since gecko 14.0 domstring getselection(); nsidomdocument open(in acstring acontenttype, in boolean areplace); boolean querycommandenabled(in domstring commandid); boolean querycommandindeterm(in domstring commandid); boolean querycommandstate(in domstring commandid); boolean querycommandsupported(in domstring commandid); domstring querycommandtext(in domstring commandid); obso...
...see rich-text editing in mozilla for a list of supported commands.
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XUL Overlays
overlays provide a general mechanism for: adding ui for additional components, as described in the example above overriding small pieces of a xul file without having to resupply the whole ui reusing particular pieces of the ui xul files and overlays work together to describe a single master document.
...the installation of a media plug-in, for example, may add new icons and menu items to the interface: in the navigatoroverlay.xul file or in a separate navigatorsspoverlay.xul file (where navigator.xul defines the basic ui for the navigator package), these new plug-in elements would be defined as a collection of elements or subtrees: <menuitem name="super stream player"/> <menupopup name="ss favorites"> <menuitem name="wave" src="mavericks.ssp"/> <menuitem name="soccer" src="brazil_soccer.ssp"/> </menupopup> <titledbutton id="ssp" crop="right" flex="1" value="&ssbutton.label;" onclick="firessp()"/> overlays and id attributes bases and overlays are merged when they share the same id attribute.
...and given the following overlay: <?xml version="1.0"?> <overlay id="singleitemex" xmlns:html="http://www.w3.org/1999/xhtml" xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"> <menupopup id="menu_filepopup"> <menu id="file_menu"> <menuitem name="super stream player"/> </menu> </menupopup> </overlay> the result will be: ...
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Mozilla
(to get a stacktrace for thunderbird or some other product, substitute the product name where ever you see firefox in this instructions.) how to implement a custom autocomplete search component the xul textbox element supports an autocomplete mechanism that is used to create a textbox with a popup containing a list of possible completions for what the user has started to type.
... integrated authentication this entails support for the the simple and protected gss-api negotiation mechanism (spnego) internet standard (rfc 2478) to negotiate either kerberos, ntlm, or other authentication protocols supported by the operating system.
... internationalized domain names (idn) support in mozilla browsers netscape 7.1 is the first commercial browser that has built-in support for internationalized domain name under the new ietf rfc's established in 2003.
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Version, UI, and Status Information - Plugins
int plugin_major, plugin_minor, netscape_major, netscape_minor; // declare variables to hold version numbers void npn_version( &plugin_major, &plugin_minor, &netscape_major, &netscape_minor ); // find version numbers finding out if a feature exists a plug-in can figure out whether it is running in a version of the browser that supports a particular feature by using version or npvers constants (see version feature constants).
...if the version supports the feature, the plug-in can operate according to plan.
... detecting windowless support on ms windows and mac os x in this example, the has_windowless method finds out whether the current version of the api supports windowless plug-ins.
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Basic usage of canvas - Web APIs
it is always a good idea to supply an id because this makes it much easier to identify it in a script.
... fallback content the <canvas> element differs from an <img> tag in that, like for <video>, <audio>, or <picture> elements, it is easy to define some fallback content, to be displayed in older browsers not supporting it, like versions of internet explorer earlier than version 9 or textual browsers.
...browsers that don't support <canvas> will ignore the container and render the fallback content inside it.
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FileSystemFlags - Web APIs
desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetfilesystemflags experimentalchrome full support 13prefixed full support 13prefixed prefixed implemented with the vendor prefix: webkitedge full support ≤79prefixed full support ≤79prefixed prefixed implemented with the vendor prefix: webkitfirefox full supp...
...ort 50ie no support noopera no support nosafari no support nowebview android full support yesprefixed full support yesprefixed prefixed implemented with the vendor prefix: webkitchrome android full support yesprefixed full support yesprefixed prefixed implemented with the vendor prefix: webkitfirefox android full support 50opera android no support nosafari ios ...
... no support nosamsung internet android full support yesprefixed full support yesprefixed prefixed implemented with the vendor prefix: webkitcreate experimentalchrome full support 13prefixed full support 13prefixed prefixed implemented with the vendor prefix: webkitedge full support ≤79prefixed full support ≤79prefixed prefixed implemented with the vendor prefix: webkitfirefox partial support 50notes partial support 50notes notes ...
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MediaCapabilitiesInfo - Web APIs
the mediacapabilitiesinfo interface of the media capabilities api is made available when the promise returned by the mediacapabilities.encodinginfo() or mediacapabilities.decodinginfo() methods of the mediacapabilities interface fulfills, providing information as to whether the media type is supported, and whether encoding or decoding such media would be smooth and power efficient.
... properties the mediacapabilitiesinfo interface contains three boolean attribues: supported: given the properties defined in the mediaconfiguration, can the specified piece of media content be encoded (if mediaencodingconfiguration is set) or decode (if mediadecodingconfiguration is set) at all?
... if yes, supported is true.
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Using the Media Capabilities API - Web APIs
with the media capabilities api, you can determine not just if the browser can support a given format, but whether or not it can do so efficiently and smoothly.
... in short, this api replaces—and improves upon—the mediasource method istypesupported() or the htmlmediaelement method canplaytype().
... support for getting real-time feedback about the playback of media, so your code can make informed decisions about adapting the stream's quality or other settings to manage the user's perceived media performance and quality.
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Pointer events - Web APIs
however, since many devices support other types of pointing input devices, such as pen/stylus and touch surfaces, extensions to the existing pointing device event models are needed.
... pointerenter onpointerenter fired when a pointer is moved into the hit test boundaries of an element or one of its descendants, including as a result of a pointerdown event from a device that does not support hover (see pointerdown).
... pointerout onpointerout fired for several reasons including: pointer is moved out of the hit test boundaries of an element; firing the pointerup event for a device that does not support hover (see pointerup); after firing the pointercancel event (see pointercancel); when a pen stylus leaves the hover range detectable by the digitizer.
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RTCRtpTransceiver.setCodecPreferences() - Web APIs
a guide to codecs supported by webrtc—and each codec's positive and negative characteristics—can be found in codecs used by webrtc.
... syntax rtcrtptransceiver.setcodecpreferences(codecs) parameters codecs an array of rtcrtpcodeccapability objects, in order of preference, each providing the parameters for one of the transceiver's supported codecs.
... return value undefined exceptions invalidaccesserror the codecs list includes one or more codecs which are not supported by the transceiver.
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Using Service Workers - Web APIs
note: as of firefox 44, when appcache is used to provide offline support for a page a warning message is now displayed in the console advising developers to use service workers instead (bug 1204581.) service workers should finally fix these issues.
... setting up to play with service workers many service workers features are now enabled by default in newer versions of supporting browsers.
... chrome canary: go to chrome://flags and turn on experimental-web-platform-features; restart browser (note that some features are now enabled by default in chrome.) opera: go to opera://flags and enable support for serviceworker; restart browser.
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Using Touch Events - Web APIs
a disadvantage to using mouse events is that they do not support concurrent user input, whereas touch events support multiple simultaneous inputs (possibly at different locations on the touch surface), thus enhancing user experiences.
... the touch events interfaces support application specific single and multi-touch interactions such as a two-finger gesture.
... together, these interfaces define a relatively low-level set of features, yet they support many kinds of touch-based interaction, including the familiar multi-touch gestures such as multi-finger swipe, rotation, pinch and zoom.
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Using WebRTC data channels - Web APIs
buffering webrtc data channels support buffering of outbound data.
...at the application level—that is, within the user agent's implementation of webrtc on which your code is running—the webrtc implementation implements features to support messages that are larger than the maximum packet size on the network's transport layer.
... concerns with large messages currently, it's not practical to use rtcdatachannel for messages larger than 64kib (16kib if you want to support cross-browser exchange of data).
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WebRTC API - Web APIs
interoperability because implementations of webrtc are still evolving, and because each browser has different levels of support for codecs and webrtc features, you should strongly consider making use of the adapter.js library provided by google before you begin to write your code.
... adapter.js uses shims and polyfills to smooth over the differences among the webrtc implementations across the environments supporting it.
... webrtc concepts and usage webrtc serves multiple purposes; together with the media capture and streams api, they provide powerful multimedia capabilities to the web, including support for audio and video conferencing, file exchange, screen sharing, identity management, and interfacing with legacy telephone systems including support for sending dtmf (touch-tone dialing) signals.
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Using bounded reference spaces - Web APIs
xr hardware that does not have an inherent boundary defined may or may not support the bounded reference space.
...however, it's entirely possible that the device will simply decline to support bounded spaces at all, so you should be prepared to fall back to some other type of reference space.
...in this section, we'll look at how to safely create a session that will work whether bounded spaces are supported or not.
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Using the Web Speech API - Web APIs
to run the demo, you can clone (or directly download) the github repo it is part of, open the html index file in a supporting desktop browser, or navigate to the live demo url in a supporting mobile browser like chrome.
... browser support support for web speech api speech recognition is curently limited to chrome for desktop and android — chrome has supported it since around version 33 but with prefixed interfaces, so you need to include prefixed versions of them, e.g.
... chrome support as mentioned earlier, chrome currently supports speech recognition with prefixed properties, therefore at the start of our code we include these lines to feed the right objects to chrome, and any future implementations that might support the features without a prefix: var speechrecognition = speechrecognition || webkitspeechrecognition var speechgrammarlist = speechgrammarlist || webkitspee...
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Window.open() - Web APIs
this can be a path or url to an html page, image file, or any other resource that is supported by the browser.
... this is supported in modern browsers including chrome, and firefox 52+.
...firefox introduced support for noreferrer in firefox 68.
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Relationship of flexbox to other layout methods - CSS: Cascading Style Sheets
there is a note in the flexbox spec stating that in the future, once it is completed, the definitions in box alignment level 3 will supersede those of flexbox: "note: while the alignment properties are defined in css box alignment [css-align-3], flexible box layout reproduces the definitions of the relevant ones here so as to not create a normative dependency that may slow down advancement of the spec.
...additionally, any new values defined in the box alignment module will apply to flexible box layout; in otherwords, the box alignment module, once completed, will supercede the definitions here." in a later article in this series — aligning items in a flex container — we will take a thorough look at how the box alignment properties apply to flex items.
...writing modes are fully detailed in the css writing modes specification, which details how css supports the various different writing modes that exist internationally.
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OpenType font features guide - CSS: Cascading Style Sheets
alternates (font-variant-alternates) fonts can supply a number of different alternatives for various glyphs, such as different styles of lower case 'a' or more or less elaborate swashes in a script typeface.
... this property can activate an entire set of alternates or just a specific one, depending on the values supplied.the example below is showing several different aspects of working with alternate characters.
... while more common in script typefaces, in the below example they are used to create arrows: position (font-variant-position) position variants are used to enable typographic superscript and subscript glyphs.
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animation-direction - CSS: Cascading Style Sheets
desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetanimation-directionchrome full support 43 full support 43 full support 3prefixed prefixed implemented with the vendor prefix: -webkit-edge full support 12 full support 12 full support ...
... 12prefixed prefixed implemented with the vendor prefix: -webkit-firefox full support 16 full support 16 full support 49prefixed prefixed implemented with the vendor prefix: -webkit- full support 44prefixed disabled prefixed implemented with the vendor prefix: -webkit-disabled from version 44: this feature is behind the layout.css.prefixes.webkit preference (needs to be set to true).
... full support 5prefixed prefixed implemented with the vendor prefix: -moz-ie full support 10opera full support 30 full support 30 full support 15prefixed prefixed implemented with the vendor prefix: -webkit- no support 12.1 — 15 no support 12 — 15prefixed prefixed implemented with the vendor prefix: -o-safari full support 9 full support 9 full support ...
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font-variant-position - CSS: Cascading Style Sheets
the font-variant-position css property controls the use of alternate, smaller glyphs that are positioned as superscript or subscript.
...these glyphs are typically used in <sub> and <sup> elements.
... /* keyword values */ font-variant-position: normal; font-variant-position: sub; font-variant-position: super; /* global values */ font-variant-position: inherit; font-variant-position: initial; font-variant-position: unset; when the usage of these alternate glyphs is activated, if one character in the run doesn't have such a typographically-enhanced glyph, the whole set of characters of the run is rendered using a fallback method, synthesizing these glyphs.
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HTML5 - Developer guides
offline & storage offline resources: the application cache firefox fully supports the html5 offline resource specification.
... most others have offline resource support at some level.
... online and offline events firefox 3 supports whatwg online and offline events, which let applications and extensions detect whether or not there's an active internet connection, as well as to detect when the connection goes up and down.
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Index - Developer guides
5 wai aria live regions/api support ajax, accessibility firefox 3 contains important improvements to the way the mozilla engine exposes live changes in a document.
...currently, to support all browsers we need to specify two formats, although with the adoption of mp3 and mp4 formats in firefox and opera, this is changing fast.
... 17 event developer guide dom, event, guide, needsupdate, events events refers both to a design pattern used for the asynchronous handling of various incidents which occur in the lifetime of a web page and to the naming, characterization, and use of a large number of incidents of different types.
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MIME types (IANA media types) - HTTP
ing: application/javascript application/ecmascript application/x-ecmascript application/x-javascript text/javascript text/ecmascript text/javascript1.0 text/javascript1.1 text/javascript1.2 text/javascript1.3 text/javascript1.4 text/javascript1.5 text/jscript text/livescript text/x-ecmascript text/x-javascript note: even though any given user agent may support any or all of these, you should only use text/javascript.
..., opera, safari tiff tagged image file format image/tiff .tif, .tiff none built-in; add-ons required webp web picture format image/webp .webp chrome, edge, firefox, opera the abbreviation for each format links to a longer description of the format, its capabilities, and detailed browser compatibility information; including which versions introduced support and specific special features that may have been introduced later.
... audio and video types as is the case for images, html doesn't mandate that web browsers support any specific file and codec types for the <audio> and <video> elements, so it's important to consider your target audience and the range of browsers (and versions of those browsers) they may be using when choosing the file type and codecs to use for media.
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Classes - JavaScript
a constructor can use the super keyword to call the constructor of the super class.
...support in browsers is limited, but the feature can be used through a build step with systems like babel.
... class animal { constructor(name) { this.name = name; } speak() { console.log(`${this.name} makes a noise.`); } } class dog extends animal { constructor(name) { super(name); // call the super class constructor and pass in the name parameter } speak() { console.log(`${this.name} barks.`); } } let d = new dog('mitzie'); d.speak(); // mitzie barks.
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String.fromCharCode() - JavaScript
returning supplementary characters in utf-16, the most common characters can be represented by a single 16-bit value (i.e.
...the remaining code points, in the range of 65536 (0x010000) to 1114111 (0x10ffff) are known as supplementary characters.
... in utf-16, supplementary characters are represented by two 16-bit code units, known as surrogates, that were reserved for this purpose.
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WebAssembly.Module - JavaScript
desktopmobileserverchromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetnode.jsmodulechrome full support 57edge full support 16firefox full support 52notes full support 52notes notes disabled in the firefox 52 extended support release (esr).ie no support noopera full suppor...
...t 44safari full support 11webview android full support 57chrome android full support 57firefox android full support 52notes full support 52notes notes disabled in the firefox 52 extended support release (esr).opera android full support 43safari ios full support 11samsung internet android full support 7.0nodejs full support 8.0.0module() constructorchrome ...
... full support 57edge full support 16firefox full support 52notes full support 52notes notes disabled in the firefox 52 extended support release (esr).ie no support noopera full support 44safari full support 11webview android full support 57chrome android full support 57firefox android full support 52notes full support ...
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Using custom elements - Web Components
note: custom elements are supported by default in firefox, chrome, and edge (76).
... opera and safari so far support only autonomous custom elements.
...for example, wordcount is structured like so: class wordcount extends htmlparagraphelement { constructor() { // always call super first in constructor super(); // element functionality written in here ...
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ui/frame - Archive of obsolete content
right now it can be used in conjunction with a toolbar: you create a frame, then supply it to the toolbar's constructor, and the content is then displayed inside the toolbar.
... constructing frames the frame constructor takes one mandatory option, which is a url pointing to an html document supplied under your add-ons "data" directory.
...if you don't supply a name, the id is derived from the frame's url, meaning that if you don't supply a name, you may not create two frames with the same url.
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package.json - Archive of obsolete content
note: jpm supports nodejs people fields.
... engines object with supported applications (key) and required version numbers (value).
... private-browsing: a boolean indicating whether or not the add-on supports private browsing.
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Developing for Firefox Mobile - Archive of obsolete content
right now not all modules are fully functional, but we're working on adding support for more modules.
... the tables at the end of this guide list the modules that are currently supported on firefox mobile.
... running add-ons on android you can develop your add-on as normal, as long as you restrict yourself to the supported modules.
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XPCOM Objects - Archive of obsolete content
(your build will probably break, we'll cover this later on.) in the components directory, the file xsihellocounter.idl has the following contents: #include "nsisupports.idl" /** * counter for the hello world extension.
... */ [scriptable, uuid(bd46f689-6c1d-47d0-bc07-bb52b546b8b5)] interface xsihellocounter : nsisupports { /* the maximum allowed count.
... */ short increment(); }; the bits about nsisupports are common to most xpcom interface definitions.
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Index of archived content - Archive of obsolete content
rosetta running applications svg animation svg general scrollbar sidebar stringview tabbox toolbar tree uri parsing view source for xul applications windows xml-related code snippets xml:base support in old browsers xpath getattributens common pitfalls communication between html and your extension creating custom firefox extensions with the mozilla build system custom about: urls default preferences deploying a plugin as an extension developing ad...
... displaying web content in an extension without security issues downloading json and javascript in extensions enhanced extension installation extension etiquette extension library extension packaging extension samples extension theming guidelines extension versioning, update and compatibility extensions support in seamonkey 2 firefox addons developer guide hiding browser chrome hotfix extension how to convert an overlay extension to restartless inline options install manifests installing extensions and themes from web pages interaction between privileged and non-privileged pages jetpack processes lega...
...r notifications and alerts xpcom objects performance best practices in extensions search extension tutorial (draft) security best practices in extensions session store api setting up an extension development environment signing an xpi signing an extension supporting search suggestions in search plugins tabbed browser techniques promises updating addons broken by private browsing changes using dependent libraries in extension components using the stylesheet service bookmarks.export() bookmarks.import() ...
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Actionscript Acceptance Tests - Archive of obsolete content
support files: there are a variety of support files available for non-standard actionscript tests.
...(see bug 587093 for details.) specifying multiple .abcs: if you desire to run a test with multiple .abc files (e.g: avmshell a.abc b.abc testname.abc) there is a special avm_args directive called multiabc that is specified surrounded by two pipe (|) symbols: |multiabc| $dir/testname_support/a.abc $dir/testname_support/b.abc the extra abc files will usually be placed in a _support dir (see additional files below).
... here is a more complicated example that passes both avm args, multiple abcs and test args: -ojit |multiabc| $dir/testname_support/a.abc -- test_args a dir.avm_args file can also be created with the same contents that will apply to the entire directory.
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Trees - Archive of obsolete content
the tree also supports nested rows, whereas the listbox does not.
...in a tree, all of the data to be displayed is supplied by a separate object, called a tree view.
...instead, all drawing is done by the tree body using data supplied by the view.
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XEmbed Extension for Mozilla Plugins - Archive of obsolete content
in your plugin instance npp_getvalue call you need to make sure that you support the new nppvpluginneedsxembed value.
...telling mozilla you support xembed as mentioned above, you will need to tell mozilla that you support the xembed protocol for hosting plugins.
... for backwards compatibility reasons if you don't tell mozilla that you support it it will try to hand you an xt widget as a parent.
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SSL and TLS - Archive of obsolete content
both of these protocols support using a variety of different cryptographic algorithms, or ciphers, for operations such as authenticating the server and client, transmitting certificates, and establishing session keys.
... clients and servers may support different cipher suites, or sets of ciphers.
...the most common ssl cipher suites use rsa key exchange, while tls supports ecc cipher suites as well as rsa.
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Developing cross-browser and cross-platform pages - Archive of obsolete content
there are 2 known approaches for such goals: the browser identification approach (also known as useragent string detection and often referred as "browser sniffing") and the object/feature support detection approach.
... using object/feature support detection approach: best and overall most reliable when you use object/feature support detection, you only implement those features whose support you have first tested and verified on the visiting browser.
... this method has the advantage of not requiring you to test for anything except whether the particular features you code are supported in the visiting browser.
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LiveConnect Overview - Archive of obsolete content
as a javaobject, mystring has access to the public instance methods of java.lang.string and its superclass, java.lang.object.
...for example, suppose the redwood corporation uses a java package called redwood to contain various java classes that it implements.
...(although this functionality (along with some others) had been broken in gecko 1.9 (see bug 391642) as the mozilla-specific liveconnect code had not been maintained inside mozilla, with java 6 update 11 and 12 building support for reliance on mozilla's implementation of the generic (and cross-browser) npapi plugin code, this has again been fixed.) for example, suppose you are using the java forname method to assign the name of a java class to a variable called theclass.
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Audio for Web games - Game development
mobile audio caveats by far the most difficult platforms to provide web audio support for are mobile platforms.
...although the situation is soon going to get better with the adoption of the web audio api, the current most widely-supported method — using the vanilla <audio> element — leads to patchy results on mobile devices.
... testing and support here's a table that shows what mobile platforms support the features talked about above.
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Plug-in Development Overview - Gecko Plugin API Reference
registering plug-ins gecko identifies a plug-in by the mime type it supports.
... when it needs to display data of a particular mime type, the browser finds and invokes the plug-in object that supports that type.
...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.
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What is CSS? - Learn web development
css specifications all web standards technologies (html, css, javascript, etc.) are defined in giant documents called specifications (or simply "specs"), which are published by standards organizations (such as the w3c, whatwg, ecma, or khronos) and define precisely how those technologies are supposed to behave.
... as a newcomer to css, it is likely that you will find the css specs overwhelming — they are intended for engineers to use to implement support for the features in user agents, not for web developers to read to understand css.
...it is however worth knowing that they exist, understanding the relationship between the css you are using, browser support (see below), and the specs.
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How to build custom form controls - Learn web development
.select { /* this will create a positioning context for the list of options; adding this to .select:focus-within will be a better option when fully supported */ position: relative; /* this will make our control become part of the text flow and sizable at the same time */ display : inline-block; } we need an extra class active to define the look and feel of our control when it is in its active state.
...e context for em value in this context */ font-family : verdana, arial, sans-serif; box-sizing : border-box; /* we need extra room for the down arrow we will add */ padding : .1em 2.5em .2em .5em; width : 10em; /* 100px */ border : .2em solid #000; border-radius : .4em; box-shadow : 0 .1em .2em rgba(0,0,0,.45); /* the first declaration is for browsers that do not support linear gradients.
... the user is using a legacy browser, and one of the features you require is not supported: this will happen frequently when you make use of cutting-edge apis.
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UI pseudo-classes - Learn web development
some of the others are aimed at solving very specific niche problems, or simply not very well supported in browsers yet.
... the ones listed above all have pretty good browser support, but of course, you should test your form implementations carefully to make sure they work for your target audience.
... since form inputs don't directly support having generated content put on them (this is because generated content is placed relative to an element's formatting box, but form inputs work more like replaced elements and therefore don't have one), we will add an empty <span> to hang the generated content on: <div> <label for="fname">first name: </label> <input id="fname" name="fname" type="text" required> <span></span> </div> th...
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Inheritance in JavaScript - Learn web development
we didn't cover those here, as they are not yet supported very widely across browsers.
... all the other code constructs we discussed in this set of articles are supported as far back as ie9 or earlier, and there are ways to achieve earlier support than that.
... note: this modern way of writing classes is supported in all modern browsers, but it is still worth knowing about the underlying prototypal inheritance in case you work on a project that requires supporting a browser that doesn't support this syntax (most notably internet explorer).
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Getting started with Svelte - Learn web development
it's main current disadvantages are that it is a young framework — its ecosystem is therefore more limited in terms of tooling, support, plugins, clear usage patterns, etc.
... note: recently svelte has added official typescript support, one of its most requested features.
... moreover, with the help of sapper (a framework based on svelte), you can also develop applications with advanced features like server-side rendering, code splitting, file-based routing and offline support.
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Chrome registration
chrome providers a supplier of chrome for a given window type (e.g., for the browser window) is called a chrome provider.
... the providers work together to supply a complete set of chrome for a particular window, from the images on the toolbar buttons to the files that describe the text, content, and appearance of the window itself.
...firefox 3, thunderbird 3, and seamonkey 2 support mixed case.
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NSS 3.14 release notes
introduction the nss team has released network security services (nss) 3.14, which is a minor release with the following new features: support for tls 1.1 (rfc 4346) experimental support for dtls 1.0 (rfc 4347) and dtls-srtp (rfc 5764) support for aes-ctr, aes-cts, and aes-gcm support for keying material exporters for tls (rfc 5705) in addition to the above new features, the following major changes have been introduced: support for certificate signatures using the md5 hash algorithm is now disabled by default.
... support for tls 1.1 (rfc 4346) has been added (https://bugzilla.mozilla.org/show_bug.cgi?id=565047).
... to better support tls 1.1 and future versions of tls, a new version range api was introduced to allow applications to specify the desired minimum and maximum versions.
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NSS 3.20 release notes
nss 3.20 source distributions are available on ftp.mozilla.org for secure https download: source tarballs: https://ftp.mozilla.org/pub/mozilla.org/security/nss/releases/nss_3_20_rtm/src/ new in nss 3.20 new functionality the tls library has been extended to support dhe ciphersuites in server applications.
... new types in sslt.h ssldhegrouptype - enumerates the set of dhe parameters embedded in nss that can be used with function ssl_dhegroupprefset new macros in ssl.h ssl_enable_server_dhe - a socket option user to enable or disable dhe ciphersuites for a server socket notable changes in nss 3.20 the tls library has been extended to support dhe ciphersuites in server applications.
... the server side implementation of the tls does not support session tickets while using a dhe ciphersuite (see bug 1174677).
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NSS 3.24 release notes
also, partial support for rsa probabilistic signature scheme (rsa-pss) certificates has been added.
...this struct contains supplementary information about a certificate, such as the intended type of the certificate, stapled ocsp responses, or signed certificate timestamps (used for certificate transparency).
...however, the server-side implementation of the ssl/tls protocol still supports processing of received v2-compatible client hello messages.
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NSS API Guidelines
same level as ssl lib/crmf cmmf.h, crmf.h, crmft.h, cmmft.h, crmffut.h cryptohi provides high-level cryptographic support operations: such as signing, verifying signatures, key generation, key manipulation, hashing; and data types.
...you must supply a library that implements the cryptographic operations, such as bsafe from rsa security.
... within pkcs #11, wraps crypto lib/freebl blapi.h, blapit.h jar provides support for reading and writing data in java archive (jar) format, including zlib compression.
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nss tech note1
rather, the goal here is to explain what type of tags the decoder supports and which macros should be used when defining tags in decoder templates.
... it should be noted that we only support an older specification of asn.1; multibyte tags are not currently supported.
... the 8-bit asn.1 tags that we support are made of three parts : the asn.1 component class type.
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SpiderMonkey 1.8.7
—22 march 2011 platform support spidermonkey 1.8.7 is supported on all the platforms where firefox 10 runs.
...the jit is supported only on x86, x86_64 and arm architectures.
...new javascript language features xxx needs updating javascript 1.8.5 adds support for ecmascript edition 5, including es5 strict mode.
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WebReplayRoadmap
new features are possible with time travel, though, which would be nice to support: supporting the debugger's event breakpoints would allow searching the recording for places where particular dom events occur, and -- in the same manner as logpoints -- logging them to the console and allowing them to be seeked to later.
... similarly, when the debugger supports dom mutation breakpoints (bug 1547692), the recording can be searched for dom mutations, and mutations can be logged to the console and seeked to later.
... hide unsupported developer tool features (not yet implemented) support for the normal features of the developer tools is pretty limited in recording/replaying tabs.
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Accessing the Windows Registry Using XPCOM
support in firefox 1.5 or newer in firefox 1.5, a new api was added, nsiwindowsregkey, which provides extensive registry functionality.
...if you are writing an extension that only needs to support firefox 1.5 or newer, then you only need to read this section.
...the data types supported by this interface are defined as named constants on the interface as follows: type_none — probably not useful type_string — a unicode string value type_binary — binary data type_int — a 32 bit integer type_int64 — a 64 bit integer each of these types (except type_none) has a corresponding method to read the value data: readstringvalue() readbinaryvalue() readintvalue...
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Aggregating the In-Memory Datasource
also, instead of keeping an nscomptr<nsirdfdatasource>, you'll just want an nscomptr<nsisupports>: class myclass : public nsimyinterface { ...
... private: nscomptr<nsisupports> minner; }; construct the datasource delegate when your object is constructed (or, at worst, when somebody qi's for it): rv = nscomponentmanager::createinstance( krdfinmemorydatasourcecid, this, /* the "outer" */ nscomtypeinfo<nsisupports>::getiid(), getter_addrefs(minner)); note passing this as the "outer" parameter.
... now, if the in-memory datasource's implementation of queryinterface() fails because it doesn't support the requested interface, it willforward the query interface to its "outer" (which is "us").
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XPCOM array guide
nsisupportsarray xpcom object yes no yes* no reference counted, strong (*) note: concrete c++ arrays can be made read-only by declaring them const.
... nsisupportsarray - obsoleted by nsiarray and nsimutablearray, use those instead.
... do not use nsisupportsarray; it is deprecated.
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nsIClipboard
widget/nsiclipboard.idlscriptable this interface supports basic clipboard operations such as: setting, retrieving, emptying, matching and supporting clipboard data.
... inherits from: nsisupports last changed in gecko 30.0 (firefox 30.0 / thunderbird 30.0 / seamonkey 2.27) method overview void emptyclipboard(in long awhichclipboard); void forcedatatoclipboard(in long awhichclipboard); obsolete since gecko 1.8 void getdata(in nsitransferable atransferable, in long awhichclipboard); boolean hasdatamatchingflavors([array, size_is(alength)] in string aflavorlist, in unsigned long alength, in long awhichclipboard); void setdata(in nsitransferable atransferable, in nsiclipboardowner anowner, in long awhichclipboard); boolean supportsselectionclipboard(); boolean supportsfindclipboard(); constants most clipboard operations in firefox use kglobalclipboard, which is the one also used by the...
... forcedatatoclipboard() obsolete since gecko 1.8 (firefox 1.5 / thunderbird 1.5 / seamonkey 1.0) some platforms support deferred notification for putting data on the clipboard this method forces the data onto the clipboard in its various formats this may be used if the application going away.
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nsIComponentRegistrar
inherits from: nsisupports last changed in gecko 1.0 method overview void autoregister(in nsifile aspec); void autounregister(in nsifile aspec); string cidtocontractid(in nscidref aclass); nscidptr contractidtocid(in string acontractid); nsisimpleenumerator enumeratecids(); nsisimpleenumerator enumeratecontractids(); boolean iscidregistered(in nscidref aclass); boolean iscontractidregistered(in string acontractid); void registerfactory(in nscidref aclass, in string aclassname, in string acontractid, in nsifactory afactory); void registerfactorylocation(in nscidref aclass, in string aclassname, in string acontractid, in nsi...
...this is no longer supported.
...elements of the enumeration can be queryinterfaced for the nsisupportsid interface.
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nsIDocShell
inherits from: nsisupports last changed in gecko 12.0 (firefox 12.0 / thunderbird 12.0 / seamonkey 2.9) implemented by @mozilla.org/docshell;1.
... getdocshellenumerator(in long aitemtype, in long adirection); nsidomstorage getsessionstorageforprincipal(in nsiprincipal principal, in domstring documenturi, in boolean create); nsidomstorage getsessionstorageforuri(in nsiuri uri, in domstring documenturi); void historypurged(in long numentries); void internalload(in nsiuri auri, in nsiuri areferrer, in nsisupports aowner, in pruint32 aflags, in wstring awindowtarget, in string atypehint, in nsiinputstream apostdatastream, in nsiinputstream aheadersstream, in unsigned long aloadflags, in nsishentry ashentry, in boolean firstparty, out nsidocshell adocshell, out nsirequest arequest); native code only!
...when setting this attribute, a ns_error_not_implemented error may be returned by implementations not supporting zoom.
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nsINavHistoryQueryOptions
1.0 66 introduced gecko 1.9 inherits from: nsisupports last changed in gecko 13.0 (firefox 13.0 / thunderbird 13.0 / seamonkey 2.10) method overview nsinavhistoryqueryoptions clone(); attributes attribute type description applyoptionstocontainers boolean if true, the query options are only applied to the containers.
... asyncenabled boolean when true, the root container node generated by these options and all of its descendant containers are opened asynchronously if they support doing so.
... note: currently, only bookmark folder containers support being opened asynchronously.
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nsIUserInfo
inherits from: nsisupports last changed in gecko 1.7 implemented by: @mozilla.org/userinfo;1.
... not supported.
... not supported.
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nsIXmlRpcClient
last changed in gecko 1.8 (firefox 1.5 / thunderbird 1.5 / seamonkey 1.0) inherits from: nsisupports method overview void init(in string serverurl); void setauthentication(in string username, in string password); void clearauthentication(in string username, in string password); void setencoding(in string encoding); void setencoding(in unsigned long type, out nsiidref uuid, out nsqiresult result); void asynccall (in nsixmlrpcclientlistener listener, in nsisupports ctxt, in string methodname, in nsisupports arguments, in pruint32 count); attributes attribute type description serverurl readonly ns...
... result readonly nsisupports the most recent xml-rpc call result returned from this server.
... constants constant type description int unsigned long nsisupportsprint32 boolean unsigned long nsisupportsprbool string unsigned long nsisupportscstring double unsigned long nsisupportsdouble datetime unsigned long nsisupportsprtime array readonly unsigned long nsisupportsarray struct readonly unsigned long nsisupportsdictionary methods init() set server url.
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Reference Manual
nscomptr<nsifoo> foo = bar; // ns_assertion: "queryinterface needed" // ...even assuming you can get the line to compile // (either by casting, or because the types are related by c ) this invariant is relaxed for nscomptr<nsisupports>.
... like nsisupports* (or even void*), people generally use nscomptr<nsisupports> to mean "any xpcom interface." it would be annoying if nscomptr forced you to queryinterface to the xpcom-correct nsisupports within an object in places where you don't care to know the exact type.
...because a few key routines are factored out into a common non-template base class, the actual underlying pointer is stored as an nsisupports* (except in debug builds where nscap_feature_debug_ptr_types is turned on).
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nsCOMPtr versus RefPtr
this basic rule derives from the fact that some of the nscomptr<t> code is factored into the nscomptr_base base class, which stores the underlying mrawptr as an nsisupports*.
...since nscomptr stores the pointer as an nsisupports*, it must be possible to unambiguously cast from t* to nsisupports*.
... many concrete classes inherit from nsisupports in more than one way, so they cannot be unambiguously cast to nsisupports*.
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The libmime module
struct foobarclass { parentclass superclass; ...any callbacks or class-variables...
... }; then, in the corresponding .c file, the following structure is used: class definition first we pull in the appropriate include file (which includes all necessary include files for the parent classes) and then we define the class object using the mimedefclass macro: #include "foobar.h" #define mime_superclass parentlclass mimedefclass(foobar, foobarclass, foobarclass, &mime_superclass); the definition of mime_superclass is just to move most of the knowlege of the exact class hierarchy up to the file's header, instead of it being scattered through the various methods; see below.
... the way to access earlier methods (methods defined on the superclass) is to simply extract them from the superclass's object.
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Plug-in Development Overview - Plugins
registering plug-ins gecko identifies a plug-in by the mime type it supports.
... when it needs to display data of a particular mime type, the browser finds and invokes the plug-in object that supports that type.
...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.
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BasicCardRequest - Web APIs
properties basiccardrequest.supportednetworks optional secure context an optional array of domstrings representing the card networks that the retailer supports (e.g.
...if the property is missing, it implies that all networks are supported.
... basiccardrequest.supportedtypes optional secure context this obsolete property was used to provide an optional array of domstrings representing the card types that the retailer supports (e.g.
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readValue() - Web APIs
the bluetoothremotegattdescriptor.readvalue() method returns a promise that resolves to an arraybuffer holding a duplicate of the value property if it is available and supported.
... desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetreadvalue experimentalchrome full support 57notes full support 57notes notes macos only.
... full support 57notes disabled notes linux and versions of windows earlier than 10.disabled from version 57: this feature is behind the #enable-experimental-web-platform-features preference (needs to be set to enabled).
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DOMMatrixReadOnly.scale() - Web APIs
if not supplied, this defaults to the value of scalex.
... if no origin is supplied, this defaults to 0.
... if no origin is supplied, this defaults to 0.
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FileSystemDirectoryReader - Web APIs
desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetfilesystemdirectoryreader deprecatednon-standardchrome full support 8alternate name full support 8alternate name alternate name uses the non-standard name: directoryreaderedge full support ≤18alternate name full support ≤18alternate name alternate name uses the non-standard name: webkitdirect...
...oryreaderfirefox full support 50ie no support noopera full support yesprefixed full support yesprefixed prefixed implemented with the vendor prefix: webkitsafari full support 11.1webview android full support ≤37alternate name full support ≤37alternate name alternate name uses the non-standard name: directoryreaderchrome android full support 18alternate name full support 18alternate name a...
...lternate name uses the non-standard name: directoryreaderfirefox android full support 50opera android no support nosafari ios full support 11.3samsung internet android full support yesprefixed full support yesprefixed prefixed implemented with the vendor prefix: webkitreadentries deprecatednon-standardchrome full support 8edge ?
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FileSystemFileEntry - Web APIs
desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetfilesystemfileentrychrome full support 8alternate name full support 8alternate name alternate name uses the non-standard name: fileentryedge full support 79prefixed full support 79prefixed prefixed implemented with the vendor prefix: webkitfirefox full...
... support 50ie no support noopera no support nosafari full support 11.1webview android full support ≤37alternate name full support ≤37alternate name alternate name uses the non-standard name: fileentrychrome android full support 18alternate name full support 18alternate name alternate name uses the non-standard name: fileentryfirefox android full support 50opera android no support ...
... nosafari ios full support 11.3samsung internet android full support yesprefixed full support yesprefixed prefixed implemented with the vendor prefix: webkitcreatewriter deprecatednon-standardchrome full support 8edge full support 79firefox no support 50 — 52notes no support 50 — 52notes notes while the createwriter() method existed, it immediately called errorcallback with the ns_error_dom_security_err error.ie no support noopera no su...
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FileSystemSync - Web APIs
desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetfilesystemsync non-standardchrome full support 13prefixed full support 13prefixed prefixed implemented with the vendor prefix: webkitedge full support ≤79prefixed full support ≤79prefixed prefixed implemented with the vendor prefix: webkitfirefox no suppor...
...t noie no support noopera full support 15prefixed full support 15prefixed prefixed implemented with the vendor prefix: webkitsafari full support 6prefixed full support 6prefixed prefixed implemented with the vendor prefix: webkitwebview android full support ≤37prefixed full support ≤37prefixed prefixed implemented with the vendor prefix: webkitchrome android full support 18prefixed full ...
...support 18prefixed prefixed implemented with the vendor prefix: webkitfirefox android no support noopera android full support 14prefixed full support 14prefixed prefixed implemented with the vendor prefix: webkitsafari ios full support 6prefixed full support 6prefixed prefixed implemented with the vendor prefix: webkitsamsung internet android full support 1.0prefixed full support 1.0prefixed prefixed implemented with the vendor prefix: webkitname non-s...
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GamepadEvent - Web APIs
working draft initial definition browser compatibility desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetgamepadeventchrome full support 35 full support 35 no support 21 — 34prefixed prefixed implemented with the vendor prefix: webkitedge full support ≤18firefox full support 29 full support 2...
...9 no support 24 — 28disabled disabled from version 24 until version 28 (exclusive): this feature is behind the dom.gamepad.enabled preference (needs to be set to true).
... to change preferences in firefox, visit about:config.ie no support noopera full support 22 full support 22 no support 15 — 21prefixed prefixed implemented with the vendor prefix: webkitsafari full support 10.1webview android no support nochrome android full support yesfirefox android full support 32opera android full support 22 full support 22 no suppor...
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GestureEvent - Web APIs
desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetgestureevent non-standardchrome no support noedge no support nofirefox no support noie no support noopera no support nosafari full support 9webview android no support ...
... nochrome android no support nofirefox android no support noopera android no support nosafari ios full support 2samsung internet android no support nogestureevent() constructor non-standardchrome no support noedge no support nofirefox no support noie no support noopera no support nosafari full support ...
... 9webview android no support nochrome android no support nofirefox android no support noopera android no support nosafari ios full support 2samsung internet android no support noinitgestureevent non-standardchrome no support noedge no support nofirefox no support noie no support noopera no support ...
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The HTML DOM API - Web APIs
the html dom api is made up of the interfaces that define the functionality of each of the elements in html, as well as any supporting types and interfaces they rely upon.
... access to the browser navigation history supporting and connective interfaces for other apis such as web components, web storage, web workers, websocket, and server-sent events.
... among the things added to document by the html standard are: support for accessing various information provided by the http headers when loading the page, such as the location from which the document was loaded, cookies, modification date, referring site, and so forth.
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Recommended Drag Types - Web APIs
the html drag and drop api supports dragging various types of data, including plain text, urls, html code, files, etc.
... it is recommended to always add data of the text/plain type as a fallback for applications or drop targets that do not support other types, unless there is no logical text alternative.
...note that the instanceof operator is used here as the mozgetdataat() method will return an nsisupports that needs to be checked and converted into an nsifile.
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HTML Drag and Drop API - Web APIs
this overview of html drag and drop includes a description of the interfaces, basic steps to add drag-and-drop support to an application, and an interoperability summary of the interfaces.
...(firefox supports some gecko-specific extensions to the datatransfer object, but those extensions will only work on firefox.) each datatransfer object contains an items property, which is a list of datatransferitem objects.
... note: dragevent and datatransfer are broadly supported on desktop browsers.
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IDBCursorWithValue - Web APIs
desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetidbcursorwithvaluechrome full support 24 full support 24 no support 23 — 57prefixed prefixed implemented with the vendor prefix: webkitedge full support 12firefox full support 16 full support 16 ...
... no support 10 — 16prefixed prefixed implemented with the vendor prefix: mozie partial support 10opera full support 15safari full support 7webview android full support yes full support yes no support ?
... — 57prefixed prefixed implemented with the vendor prefix: webkitchrome android full support 25 full support 25 no support 25 — 57prefixed prefixed implemented with the vendor prefix: webkitfirefox android full support 22opera android full support 14safari ios full support 8samsung internet android full support 1.5 full support 1.5 no support 1.5 — 7.0prefixed prefixed implemented with the vendor prefix: webkitvaluechrome ...
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IDBEnvironment - Web APIs
desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetidbenvironment deprecatednon-standardchrome full support 24 full support 24 no support 23 — 57prefixed prefixed implemented with the vendor prefix: webkitedge full support 12firefox full support 16 full support 16 ...
... no support 10 — 16prefixed prefixed implemented with the vendor prefix: mozie partial support 10opera full support 15safari full support 7webview android full support yeschrome android full support 25firefox android full support 22opera android full support 14safari ios full support 8samsung internet android full support 1.5available in workers deprecatednon-standardchrome ...
... full support yesedge full support ≤18firefox full support 37ie ?
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PaymentRequest.PaymentRequest() - Web APIs
each item in the array contains the following fields: supportedmethods for early implementations of the spec, this was a sequence of identifiers for payment methods that the merchant website accepts.
... starting with more recent browsers, this parameter is more generic than credit cards, it is a single domstring, and the meaning of the data parameter changes with the supportedmethods.
... data a json-serializable object that provides optional information that might be needed by the supported payment methods.
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PaymentRequest.canMakePayment() - Web APIs
the paymentrequest method canmakepayment() determines whether or not the request is configured in a way that is compatible with at least one payment method supported by the user agent.
...}) canpay = await paymentrequest.canmakepayment(); returns a promise to a boolean that resolves to true if the user agent supports any of the payment methods supplied when instantiating the request using the paymentrequest constructor.
... async function initpaymentrquest() { const details = { total: { label: "total", amount: { currency: "usd", value: "0.00", }, }, }; const supportsapplepay = new paymentrequest( [{ supportedmethods: "https://apple.com/apple-pay" }], details ).canmakepayment(); // supports apple pay?
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ScreenOrientation - Web APIs
desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetscreenorientationchrome full support 38edge full support 79firefox full support 43ie no support noopera full support 25safari no support nowebview android full su...
...pport 38chrome android full support 38firefox android full support 43opera android full support 25safari ios no support nosamsung internet android full support 3.0anglechrome full support 38edge full support 79firefox full support 43ie no support noopera full support 25safari no support ...
... nowebview android full support 38chrome android full support 38firefox android full support 43opera android full support 25safari ios no support nosamsung internet android full support 3.0lockchrome full support 38edge full support 79firefox full support 43ie no support noopera full support 25safar...
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Using the Screen Capture API - Web APIs
note: it may be useful to note that recent versions of the webrtc adapter.js shim include implementations of getdisplaymedia() to enable screen sharing on browsers that support it but do not implement the current standard api.
... there are three new constraints added to mediatrackconstraints (as well as to mediatracksupportedconstraints and mediatracksettings) for configuring a screen capture stream: cursor indicates whether or not to capture the mouse cursor, and if so, whether to do so all the time or only while the mouse is in motion.
... before starting a project that will require sharing of audio, be sure to check the browser compatibility in mediadevices.getdisplaymedia() to see if the browsers you wish compaibility with have support for audio in captured screen streams.
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Screen Orientation API - Web APIs
desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetscreenorientationchrome full support 38edge full support 79firefox full support 43ie no support noopera full support 25safari no support nowebview android full su...
...pport 38chrome android full support 38firefox android full support 43opera android full support 25safari ios no support nosamsung internet android full support 3.0anglechrome full support 38edge full support 79firefox full support 43ie no support noopera full support 25safari no support ...
... nowebview android full support 38chrome android full support 38firefox android full support 43opera android full support 25safari ios no support nosamsung internet android full support 3.0lockchrome full support 38edge full support 79firefox full support 43ie no support noopera full support 25safar...
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Compressed texture formats - Web APIs
if supported, textures can be stored in a compressed format in video memory.
... as compressed textures require hardware support, therefore no specific formats are required by webgl; instead, a context can make different formats available, depending on hardware support.
... this site shows which formats are supported in the used browser.
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Using DTMF with WebRTC - Web APIs
in order to more fully support audio/video conferencing, webrtc supports sending dtmf to the remote peer on an rtcpeerconnection.
...webrtc currently ignores these payloads; this is because webrtc's dtmf support is primarily intended for use with legacy telephone services that rely on dtmf tones to perform tasks such as: teleconferencing systems menu systems voicemail systems entry of credit card or other payment information passcode entry note: while the dtmf is not sent to the remote peer as audio, browsers may choose to play the corresponding tone to the local user as part of their user ...
... hasaddtrack because some browsers have not yet implemented rtcpeerconnection.addtrack(), therefore requiring the use of the obsolete addstream() method, we use this boolean to determine whether or not the user agent supports addtrack(); if it doesn't, we'll fall back to addstream().
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Fundamentals of WebXR - Web APIs
webxr additionally provides support for accepting inputs from control devices such as handheld vr controllers or specialized mixed reality gamepads.
...as browser developers built support for webvr and allowed developers to experiment, it became clear that in order to finish an api for virtual environments on the web, it would make more sense to start a new specification than to try to "fix" webvr.
...the most obvious difference, at the highest level, is that webxr supports not just virtual reality applications, but also augmented reality, which blends virtual objects with the user's true physical environment.
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Window.openDialog() - Web APIs
if you want the call to block until the user has closed the dialog, supply modal as a windowfeatures parameter.
... passing extra parameters to the dialog to pass extra parameters into the dialog, you can simply supply them after the windowfeatures parameter: opendialog("http://example.tld/zzz.xul", "dlg", "", "pizza", 6.98); the extra parameters will then get packed into a property named arguments of type array, and this property gets added to the newly opened dialog window.
... to be able to pass values back to the caller, you have to supply some object via the extra parameters.
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XRSystem: requestSession() - Web APIs
the supported modes are: immersive-ar the session's output will be given exclusive access to the immersive device, but the rendered content will be blended with the real-world environment.
...inline sessions don't require special hardware and should be avalable on any user agent offering webxr api support.
... return value a promise that resolves with an xrsession object if the device and user agent support the requested mode and features.
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box-direction - CSS: Cascading Style Sheets
desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetbox-direction deprecatednon-standardchrome full support 1prefixed full support 1prefixed prefixed implemented with the vendor prefix: -webkit-edge full support 12prefixed full support 12prefixed prefixed implemented with the vendor prefix: -webkit-firefox full support ...
... 1prefixed full support 1prefixed prefixed implemented with the vendor prefix: -moz- full support 49prefixed prefixed implemented with the vendor prefix: -webkit- full support 48prefixed disabled prefixed implemented with the vendor prefix: -webkit-disabled from version 48: this feature is behind the layout.css.prefixes.webkit preference (needs to be set to true).
... to change preferences in firefox, visit about:config.ie no support noopera full support 15prefixed full support 15prefixed prefixed implemented with the vendor prefix: -webkit-safari full support 3prefixed full support 3prefixed prefixed implemented with the vendor prefix: -webkit- no support 1.1 — 3prefixed prefixed implemented with the vendor prefix: -khtml-webview android full support ≤37prefixed full support ≤37prefixed prefixed implemented wit...
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break-inside - CSS: Cascading Style Sheets
desktopmobilechromeedgefirefoxinternet exploreroperasafariandroid webviewchrome for androidfirefox for androidopera for androidsafari on iossamsung internetsupported in multi-column layoutchrome full support 50edge full support 12firefox full support 65ie full support 10opera full support 37 full support ...
... 37 no support 11.1 — 12.1safari full support 10webview android full support 50chrome android full support 50firefox android full support 65opera android full support 37 full support 37 no support 11.1 — 12.1safari ios full support 10samsung internet android full support 5.0multicol_context: column and avoid-columnchrome full support ...
... 50edge full support 12firefox no support noie full support 10opera full support 37safari full support 10webview android full support 50chrome android full support 50firefox android no support noopera android full support 37safari ios full support 10samsung internet android full support 5.0supporte...
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<audio>: The Embed Audio element - HTML: Hypertext Markup Language
the content inside the opening and closing <audio></audio> tags is shown as a fallback in browsers that don't support the element.
... waiting playback has stopped because of a temporary lack of data usage notes browsers don't all support the same file types and audio codecs; you can provide multiple sources inside nested <source> elements, and the browser will then use the first one it understands: <audio controls> <source src="myaudio.mp3" type="audio/mpeg"> <source src="myaudio.ogg" type="audio/ogg"> <p>your browser doesn't support html5 audio.
...also available is a guide to the codecs supported for video.
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Protocol upgrade mechanism - HTTP
implementations can choose not to take advantage of an upgrade even if they support the new protocol, and in practice, this mechanism is used mostly to bootstrap a websockets connection.
... sec-websocket-extensions: extensions extensions a comma-separated list of extensions to request (or agree to support).
... for example: sec-websocket-extensions: superspeed, colormode; depth=16 sec-websocket-key provides information to the server which is needed in order to confirm that the client is entitled to request an upgrade to websocket.
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Public class fields - JavaScript
support in browsers is limited, but the feature can be used through a build step with systems like babel.
...you can also reference it by name, and use super to get the superclass constructor (if one exists).
... class classwithstaticfield { static basestaticfield = 'base static field' static anotherbasestaticfield = this.basestaticfield static basestaticmethod() { return 'base static method output' } } class subclasswithstaticfield extends classwithstaticfield { static substaticfield = super.basestaticmethod() } console.log(classwithstaticfield.anotherbasestaticfield) // expected output: "base static field" console.log(subclasswithstaticfield.substaticfield) // expected output: "base static method output" public instance fields public instance fields exist on every created instance of a class.
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Strict mode - JavaScript
browsers not supporting strict mode will run strict mode code with different behavior from browsers that do, so don't rely on strict mode without feature-testing for support for the relevant aspects of strict mode.
...the octal syntax isn't part of ecmascript 5, but it's supported in all browsers by prefixing the octal number with a zero: 0644 === 420 and "\045" === "%".
... in ecmascript 2015 octal number is supported by prefixing a number with "0o".
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Introduction to progressive web apps - Progressive web apps (PWAs)
progressive enhancement suppport modern web apps can be developed to provide an excellent experience to fully capable browsers, and an acceptable (although not quite as shiny) experience to less capable browsers.
... browser support as mentioned before, pwas don't depend on a single api, but rather using various technologies to achieve the goal of delivering the best web experience possible.
... the key ingredient required for pwas is service worker support.
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Mobile first - Progressive web apps (PWAs)
if you are using mechanisms like feature detection and matchmedia to conditionally load scripting functionality depending on viewport size, feature support, etc., you should just load the very basics that pretty much all browsers will need first, then progressively enhance browsers higher up the food chain.
... feature detection feature detection involves doing tests (usually in javascript) to determine whether a browser supports a certain feature, and then serving css or javascript to suit that situation.
... i put modernizr inside my js/lib directory, then included it by putting the following construct inside my html file: <script type="text/javascript" src="js/lib/modernizr.js"></script> with modernizr in place, we can now use the following js block to test whether media queries are supported, and if not, to load in respond.js, scott jehl's matchmedia and media query polyfill.
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SVG fonts - SVG: Scalable Vector Graphics
« previousnext » when svg was specified, support for web fonts was not widespread in browsers.
... svg fonts are currently supported only in safari and android browser.
...other tools however like the adobe svg viewer plugin, batik and parts of inkscape support svg font embedding.
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cfx to jpm - Archive of obsolete content
requiring local modules suppose your add-on is structured into separate modules: my-addon lib main.js utils.js when you want to use the "utils" module in "main.js", you should use a path relative to "main.js", and prefix the path with "./" to indicate that it's a relative path: var utils = require("./utils"); however, with cfx you are also allowed to omit the "./": var utils = requ...
... requiring modules from test code similarly, suppose you've written some tests for your add-on: my-addon lib my-addon.js test test-my-addon-js with cfx, code inside "test-my-addon.js" can import "my-addon.js" using a statement like this: var my_addon = require("my-addon"); // this will not work with jpm!
... with jpm, you must specify the path to "my-addon" explicitly, using a relative path: var my_addon = require("../lib/my-addon"); third-party modules the sdk has always supported third-party modules: developers can write their own modules that extend the sdk's apis or add new apis, and other add-on developers can make use of these modules in the same way that they use the sdk's built-in modules.
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Extension Versioning, Update and Compatibility - Archive of obsolete content
the toolkit version format supports the firefox version format but allows greater flexibility.
... for the maxversion it is generally permissible to use a * in place of the minor version of the application you support, for example 2.0.0.* would mean that you support any minor update to version 2 of the application.
... note: starting in gecko 2.0, the automatic add-on update process properly supports cases in which the add-on's guid changes by uninstalling the old version and then installing the new one.
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Install Manifests - Archive of obsolete content
the install manifest must specify at least one of these objects, and may specify more if the add-on targets multiple applications that support the add-on manager (e.g.
... firefox 2 and previous supported a value of 16 to represent plug-ins.
... version a version string identifying the version of the add-on being supplied.
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Observer Notifications - Archive of obsolete content
getservice(components.interfaces.nsiobserverservice); let subject = components.classes["@mozilla.org/supports-string;1"].
... createinstance(components.interfaces.nsisupportsstring); // assign some text to data attribute subject.data = "this is a test."; // notify all registered observers observerservice.notifyobservers( subject, "xulschoolhello-test-topic", "hello"); } in the notifytest method, the notifyobservers call is used to notify all registered observers about the notification topic "xulschoolhello-test-topic".
... the input parameter is an instance of nsisupportsstring with some text and the last input parameter is a string "hello".
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Inner-browsing extending the browser navigation paradigm - Archive of obsolete content
html and web standards have evolved and now offer flexible and fine-grained control to layout as well supporting dhtml, powerful programming languages like javascript, and additional media through embeddable third-party resources like flash, java, vrml, etc.
... additionally, server-side technologies have also evolved, supporting and connecting different resources to different browsers.
...spell check suppose you have a web publishing system for a portal, and a spell check application on your server.
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Repackaging Firefox - Archive of obsolete content
currently that page mentions only firefox 1.5.x, but it supports firefox 2.
... install.rdf meta-information about your extension, such as the creator (your organization), a unique id, and which versions of firefox are supported.
... locales there is a difference between the locales you plan to distribute installers for (and will therefore need to repack), and the locales supported by your dex.
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JavaScript crypto - Archive of obsolete content
though some browsers may still support it, it is in the process of being dropped.
... warning: the features mentioned in this article are deleted proprietary mozilla extensions, and are not supported in any other browser.
... cipherflags a bit vector indicating all ssl or s/mime cipher functions supported by the module (see below).
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Static Analysis for Windows Code under Linux - Archive of obsolete content
this document will describe how to run mozilla static check for windows code under linux platform by creating a cross-compiler with dehydra support for mingw.
... build gcc corss-compiler with plugin support by default gcc does not support plugins.
... now, the gcc source with plugin supports is ready, we should now build a cross compiler from this source.
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Writing textual data - Archive of obsolete content
writing to a stream in gecko 1.8 (seamonkey 1.0, firefox 1.5), you can use nsiconverteroutputstream: var charset = "utf-8"; // can be any character encoding name that mozilla supports var os = components.classes["@mozilla.org/intl/converter-output-stream;1"] .createinstance(components.interfaces.nsiconverteroutputstream); // this assumes that fos is the nsioutputstream you want to write to os.init(fos, charset, 0, 0x0000); os.writestring("umlaute: \u00fc \u00e4\n"); os.writestring("hebrew: \u05d0 \u05d1\n"); // etc.
... the example above passes 0 as the third argument, which disables buffering (note: the implementation of the converter stream might not support buffering).
... unsupported characters you can specify what should happen with characters that are not supported by the selected character encoding.
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Building accessible custom components in XUL - Archive of obsolete content
firefox 1.5 is the first browser to support dhtml accessibility; it maps the declarations within the html page to the underlying accessibility architecture so that assistive technologies can "read" a web page and know how to present these complex controls to the end user.
...a super-simple spreadsheet download stage-1.zip install stage-1.xpi to build our xul spreadsheet, we'll use three built-in xul controls: a single grid element to contain the other elements and position them in rows and columns.
... you can find a list of all the supported roles in firefox 1.5 on mozilla.org.
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Introduction to XUL - Archive of obsolete content
xml documents support the basic dom level 1 core apis.
... xul documents support an extended set, much as html documents support dom level 1 html apis.
... mozilla's xul content models also support nifty features like local/remote merging; see the xul and rdf document for details.
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Commands - Archive of obsolete content
in addition, text fields and other widgets have a number of commands which they already support that you can invoke.
...a controller is expected to implement four methods, which are listed below: supportscommand (command) this method should return true if the controller supports a command.
...a single controller may support multiple commands.
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Properly Using CSS and JavaScript in XHTML Documents - Archive of obsolete content
this misunderstanding is compounded by the fact that, prior to version 9, microsoft® internet explorer only supports xhtml if it is served with mime media type text/html rather than the recommended application/xhtml+xml.
...this example is supported by netscape 7.x, mozilla, opera 7 and internet explorer 5.5+ which all apply the css rules as expected.
...this example is supported by netscape 7.x, mozilla, and opera 7 but not internet explorer 5.5+ (see talk:properly_using_css_and_javascript_in_xhtml_documents of this ascertation.
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XForms Select1 Element - Archive of obsolete content
note, some representations of the select1 element do not support visual grouping.
...possible values are open and closed, default is closed (see #representations section to refer if the attribute is supported for every representation).
... incremental - supported, default value is true properties selection - see corresponding attribute incremental - see corresponding attribute type restrictions the select1 element can be bound to a node containing simple content.
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