HTMLIFrameElement.getActive()
non-standard this feature is non-standard and is not on a standards track.
... non-standard this feature is non-standard and is not on a standards track.
...d and is not on a standards track.
...And 2 more matches

HTMLIFrameElement.getScreenshot()
warning: removed in firefox 65.
... warning: removed in firefox 65.
...ithin a specified maximum width and height.
...And 2 more matches

HTMLIFrameElement.getVisible()
non-standard this feature is non-standard and is not on a standards track.
... non-standard this feature is non-standard and is not on a standards track.
...d and is not on a standards track.
...And 2 more matches

HTMLIFrameElement.setActive()
non-standard this feature is non-standard and is not on a standards track.
... non-standard this feature is non-standard and is not on a standards track.
...dards track.
...And 2 more matches

HTMLIFrameElement.contentWindow - Web APIs
the contentwindow property returns the window object of an htmliframeelement.
... the contentwindow property returns the window object of an htmliframeelement.
... the contentwindow property returns the window object of an htmliframeelement.
...And 2 more matches

HTMLIFrameElement.addNextPaintListener()
warning: removed in firefox 65.
... warning: removed in firefox 65.
...n firefox 65.
...rovides information about what has been repainted.

HTMLIFrameElement.findAll()
warning: removed in firefox 65.
... warning: removed in firefox 65.
...rst instance of the string relative to the caret position will be highlighted.
...which carries details about the search results.

HTMLIFrameElement.getManifest()
warning: removed in firefox 65.
... warning: removed in firefox 65.
... warning: removed in firefox 65.
... the getmanifest() method of the htmliframeelement interface retrieves the manifest of an app loaded in the browser <iframe> and returns it as json.

HTMLIFrameElement.getStructuredData()
non-standard this feature is non-standard and is not on a standards track.
...rds track.
...every user.
...it as json.

HTMLIFrameElement.goBack()
non-standard this feature is non-standard and is not on a standards track.
... non-standard this feature is non-standard and is not on a standards track.
...standard and is not on a standards track.
...hange in the future.

HTMLIFrameElement.goForward()
non-standard this feature is non-standard and is not on a standards track.
... non-standard this feature is non-standard and is not on a standards track.
...e is non-standard and is not on a standards track.
... behavior may change in the future.

HTMLIFrameElement.mute()
non-standard this feature is non-standard and is not on a standards track.
... non-standard this feature is non-standard and is not on a standards track.
... non-standard this feature is non-standard and is not on a standards track.
...oduction sites facing the web: it will not work for every user.

HTMLIFrameElement.setVolume()
non-standard this feature is non-standard and is not on a standards track.
... non-standard this feature is non-standard and is not on a standards track.
...on-standard this feature is non-standard and is not on a standards track.
... and the behavior may change in the future.

HTMLIFrameElement.unmute()
non-standard this feature is non-standard and is not on a standards track.
... non-standard this feature is non-standard and is not on a standards track.
...non-standard this feature is non-standard and is not on a standards track.
...n sites facing the web: it will not work for every user.

HTMLIFrameElement.zoom()
warning: removed in firefox 65.
... warning: removed in firefox 65.
... warning: removed in firefox 65.
...seful for zooming in/out on non-touch-enabled devices.

HTMLIFrameElement.download()
warning: removed in firefox 65.
... warning: removed in firefox 65.
...tional settings to be specified for the download.

HTMLIFrameElement.executeScript()
warning: removed in firefox 65.
... warning: removed in firefox 65.
...g: removed in firefox 65.

HTMLIFrameElement.getCanGoBack()
non-standard this feature is non-standard and is not on a standards track.
...n-standard and is not on a standards track.
...ards track.

HTMLIFrameElement.getCanGoForward()
non-standard this feature is non-standard and is not on a standards track.
...s non-standard and is not on a standards track.
...tandards track.

HTMLIFrameElement.getContentDimensions()
warning: removed in firefox 65.
... warning: removed in firefox 65.
...tanceofhtmliframeelement.getcontentdimensions(); returns a domrequest for handling the dimensions request.

HTMLIFrameElement.reload()
non-standard this feature is non-standard and is not on a standards track.
... non-standard this feature is non-standard and is not on a standards track.
...andard this feature is non-standard and is not on a standards track.

HTMLIframeElement.removeNextPaintListener()
warning: removed in firefox 65.
... warning: removed in firefox 65.
...moved in firefox 65.

HTMLIFrameElement.stop()
non-standard this feature is non-standard and is not on a standards track.
... non-standard this feature is non-standard and is not on a standards track.
...rd this feature is non-standard and is not on a standards track.

Working with iframes - Firefox Developer Tools
you can point the developer tools at a specific iframe within a document.
... you can point the developer tools at a specific iframe within a document.
... you can point the developer tools at a specific iframe within a document.

HTMLIFrameElement.allowPaymentRequest - Web APIs
the allowpaymentrequest property of the htmliframeelement interface returns a boolean indicating whether the payment request api may be invoked on a cross-origin iframe.
... the allowpaymentrequest property of the htmliframeelement interface returns a boolean indicating whether the payment request api may be invoked on a cross-origin iframe.
...equest api may be invoked on a cross-origin iframe.

HTMLIFrameElement.csp - Web APIs
the csp property of the htmliframeelement interface specifies the content security policy that an embedded document must agree to enforce upon itself.
... the csp property of the htmliframeelement interface specifies the content security policy that an embedded document must agree to enforce upon itself.
... the csp property of the htmliframeelement interface specifies the content security policy that an embedded document must agree to enforce upon itself.

HTMLIFrameElement.setNfcFocus() - Web APIs
the setnfcfocus() method of the htmliframeelement interface sets whether an <iframe> can receive an nfc event.
... the setnfcfocus() method of the htmliframeelement interface sets whether an <iframe> can receive an nfc event.
... the setnfcfocus() method of the htmliframeelement interface sets whether an <iframe> can receive an nfc event.

HTMLIFrameElement.clearMatch()
warning: removed in firefox 65.
...e htmliframeelement clears any content highlighted by findall() or findnext().

HTMLIFrameElement.findNext()
warning: removed in firefox 65.
...ous instance of a search result after a findall() search has been carried out.

nsIIFrameBoxObject
layout/xul/base/public/nsiiframeboxobject.idlscriptable please add a summary to this article.
... layout/xul/base/public/nsiiframeboxobject.idlscriptable please add a summary to this article.

HTMLIFrameElement.featurePolicy - Web APIs
the featurepolicy read-only property of the htmliframeelement interface returns the featurepolicy interface which provides a simple api for introspecting the feature policies applied to a specific frame.
... the featurepolicy read-only property of the htmliframeelement interface returns the featurepolicy interface which provides a simple api for introspecting the feature policies applied to a specific frame.

iframe.transparent - Archive of obsolete content
« xul reference hometransparenttype: one of the values belowset the background of an iframe as transparent.transparentthis results in the iframe's background being transparent.

nsIFrameMessageListener
be returned in the specified json object.

Browser API
the html browser api is an extension of the html <iframe> element that allows web apps to implement browsers or browser-like applications.
... the html browser api is an extension of the html <iframe> element that allows web apps to implement browsers or browser-like applications.
... the html browser api is an extension of the html <iframe> element that allows web apps to implement browsers or browser-like applications.
...And 93 more matches

Index - Web APIs
f the body mixin takes a response stream and reads it to completion.
...mes, or iframes) with the same origin (usually pages from the same site).
...on interface represents the caret position, an indicator for the text insertion point.
...And 51 more matches

Inner-browsing extending the browser navigation paradigm - Archive of obsolete content
tions new continuity, precision and control.
...l data instead reloading full web pages.
... document, or as complex as performing dynamic transformations on the data source before applying the changes into the current document.
...And 37 more matches

Event reference
d the corresponding raw samples are available.
...itydone firefox os browser api-specific sent when some activity has been completed (complete description tbd.) mozbrowserasyncscroll firefox os browser api-specific sent when the scroll position within a browser <iframe> changes.
...cscroll firefox os browser api-specific sent when the scroll position within a browser <iframe> changes.
...And 24 more matches

Using Feature Policy - HTTP
dividual policy directives.
...se the feature.
... separated by semicolons.
...And 24 more matches

Using the Browser API
non-standard this feature is non-standard and is not on a standards track.
... the html browser api is an extension of the html <iframe> element that allows web apps to implement browsers or browser-like applications.
...rame> element that allows web apps to implement browsers or browser-like applications.
...And 22 more matches

Using channel messaging - Web APIs
the channel messaging api allows two separate scripts running in different browsing contexts attached to the same document (e.g., two iframes, or the main document and an iframe, or two documents via a sharedworker) to communicate directly, passing messages between one another through two-way channels (or pipes) with a port at each end.
...r) to communicate directly, passing messages between one another through two-way channels (or pipes) with a port at each end.
...able in web workers.
...And 20 more matches

Space Manager Detailed Design - Archive of obsolete content
be).
...manager(); void* operator new(size_t asize); void operator delete(void* aptr, size_t asize); static void shutdown(); /* * get the frame that's associated with the space manager.
...ace is * relative to the local coordinate system.
...And 14 more matches

Using Remote XUL - Archive of obsolete content
ml-based language, and this instruction tells browsers how to parse the document.
... other elements.
...ad and display in our web browser, even though there's nothing to see yet.
...And 13 more matches

The JavaScript input interpreter - Firefox Developer Tools
f9 on windows and linux ( ctrl+r on mac) cycles backwards through the matches.
...ac) cycles backwards through the matches.
...earch, you can use shift + f9 on windows or linux ( ctrl+s on mac) to search forward in the list of matches.
...And 12 more matches

Canvas code snippets - Archive of obsolete content
=> canvas.toblob(accept, type, options)); reader.readasarraybuffer(blob); yield new promise(accept => { reader.onloadend = accept }); return yield os.file.writeatomic(path, new uint8array(reader.result), { tmppath: path + '.tmp' }); }); } loading a remote page onto a canvas element the following class first creates a hidden iframe element and attaches a listener to the frame's load event.
...ld os.file.writeatomic(path, new uint8array(reader.result), { tmppath: path + '.tmp' }); }); } loading a remote page onto a canvas element the following class first creates a hidden iframe element and attaches a listener to the frame's load event.
...is only works if you are running the page from chrome.
...And 11 more matches

Storage access policy: Block cookies from trackers
origin as described in this section.
...anted access on example.com it would be able to access its storage on bar.foo.example.com, foo.example.com, and example.com.
...access its storage on bar.foo.example.com, foo.example.com, and example.com.
...And 11 more matches

Viewport concepts - CSS: Cascading Style Sheets
ottom of the layout viewport into view, displaying the sticky footer, which will then stay stuck at the bottom.
...wport that is fully or partially displayed within the layout viewport is considered a visual viewport.
... height of the browser window.
...And 11 more matches

HTML attribute reference - HTML: Hypertext Markup Language
ut> list of types the server accepts, typically a file type.
...skey global attribute keyboard shortcut to activate or add focus to the element.
...to activate or add focus to the element.
...And 11 more matches

Feature-Policy: fullscreen - HTTP
s policy is enabled, the returned promise rejects with a typeerror.
... fullscreen directive didn't work unless the allowfullscreen attribute was also present, but this has been fixed as of firefox 80 (bug 1608358).
... (bug 1608358).
...And 11 more matches

Autoplay guide for media and Web Audio APIs - Web media technologies
is muted or its volume is set to 0 the user has interacted with the site (by clicking, tapping, pressing keys, etc.) if the site has been whitelisted; this may happen either automatically if the browser determines that the user engages with media frequently, or manually through preferences or other user interface features if the autoplay feature policy is used to grant autoplay support to an <iframe> and its document.
...racters), indicating that autoplay is permitted as they're hosted on the same domain as the document.
...rom all domains, or one or more specific origins from which media can be automatically played.
...And 11 more matches

Feature-Policy: geolocation - HTTP
ir same-origin child frames.
...-origin frames.
...location <allowlist>; <allowlist> an allowlist is a list of origins that takes one or more of the following values, separated by spaces: *: the feature will be allowed in this document, and all nested browsing contexts (iframes) regardless of their origin.
...And 10 more matches

HTML to DOM - Archive of obsolete content
into dom for easier manipulation.
...ns the element name html (instead of body), you have all document object with its complete functions list, therefore you can retrieve info within div tag like this: var dompars = htmlparser("<div id='userinfo'>john was a mediocre programmer, but people liked him <strong>anyway</strong>.</div>"); alert(dompars.getelementbyid('userinfo').innerhtml); to parse a complete html page, load it into an iframe whose type is content (not chrome).
...ent object with its complete functions list, therefore you can retrieve info within div tag like this: var dompars = htmlparser("<div id='userinfo'>john was a mediocre programmer, but people liked him <strong>anyway</strong>.</div>"); alert(dompars.getelementbyid('userinfo').innerhtml); to parse a complete html page, load it into an iframe whose type is content (not chrome).
...And 9 more matches

Splitters - Archive of obsolete content
e attribute, you should also add a grippy element inside the splitter which the user can use to collapse the element.
...utes of the elements next the splitter are adjusted when the splitter is dragged.
...itter is dragged.
...And 9 more matches

Index - Archive of obsolete content
ke asynchronous programming easier.
... used in unit tests.
...ce no summary!
...And 7 more matches

Content Panels - Archive of obsolete content
elements such the back and next buttons are the same throughout the interface.
...element of the same name.
...ontents can be loaded from a different file.
...And 7 more matches

mozbrowserasyncscroll
non-standard this feature is non-standard and is not on a standards track.
...not use it on production sites facing the web: it will not work for every user.
...and the behavior may change in the future.
...And 7 more matches

Index
ptable, xpcom, xpcom api reference, xpcom interface reference the console service is the back-end for the error console, bundled with every mozilla application, and for firefox's web console and browser console.
...terfaces:scriptable, needscontent, xpcom, xpcom interface reference the boxobject belonging to a xul browser, editor or iframe element implements this interface.
...1 nsicontentview electrolysis, interfaces, interfaces:scriptable, mobile, xpcom interface reference see working with content views for details on how to use this api.
...And 7 more matches

Feature-Policy - HTTP
the http feature-policy header provides a mechanism to allow and deny the use of browser features in its own frame, and in content within any <iframe> elements in the document.
...yes syntax feature-policy: <directive> <allowlist> <directive> the feature policy directive to apply the allowlist to.
....
...And 7 more matches

Embedding the editor
ul application developers need to embed composer widgets in their xul applications, by using the <editor> tag as we do today.
...destroyed by the nseditorboxobject.
...d by content nodes, and survives frame destruction/recreation.
...And 6 more matches

MessageChannel - Web APIs
workers.
... returns port2 of the channel.
...th two new messageport objects.
...And 6 more matches

MessagePort - Web APIs
eserialized.
...e property.
...also available via the onmessageerror property.
...And 6 more matches

Storage Access API - Web APIs
ces loaded from all embedded origins and possibly across all websites.
...addition, sandboxed <iframe>s cannot be granted storage access by default for security reasons.
...w-storage-access-by-user-activation sandbox token.
...And 6 more matches

Rich-Text Editing in Mozilla - Developer guides
editors.
... : generated html differences mozilla: <span style="font-weight: bold;">i love geckos.</span> <span style="font-weight: bold; font-style: italic; text-decoration: underline;">dinosaurs are big.</span> internet explorer: <strong>i love geckos.</strong> <strong><em><u>dinosaurs are big.</u></em></strong> another difference between mozilla and ie is how to access the document object of an iframe, which is usually used in conjunction with designmode.
...yle="font-weight: bold; font-style: italic; text-decoration: underline;">dinosaurs are big.</span> internet explorer: <strong>i love geckos.</strong> <strong><em><u>dinosaurs are big.</u></em></strong> another difference between mozilla and ie is how to access the document object of an iframe, which is usually used in conjunction with designmode.
...And 6 more matches

Using the Editor from XUL - Archive of obsolete content
warning: the content of this article may be out of date.
... warning: the content of this article may be out of date.
... warning: the content of this article may be out of date.
...And 5 more matches

Using IndexedDB - Web APIs
e the situation where already opened apps may initiate code leading to a new attempt to open the database, but using an outdated version.
...order-radius: 0.3em; display: inline-block; margin-bottom: 0.5em; padding: 1em; } table { border-collapse: collapse; } input { padding: 0.3em; border-color: #cccccc; border-radius: 0.3em; } .required:after { content: "*"; color: red; } .button-pane { margin-top: 1em; } #pub-viewer { float: right; width: 48%; height: 20em; border: solid #d092ff 0.1em; } #pub-viewer iframe { width: 100%; height: 100%; } #pub-list { width: 46%; background-color: #eeeeee; border-radius: 0.3em; } #pub-list li { padding-top: 0.5em; padding-bottom: 0.5em; padding-right: 0.5em; } #msg { margin-bottom: 1em; } .action-success { padding: 0.5em; color: #00d21e; background-color: #eeeeee; border-radius: 0.2em; } .action-failure { padding: 0.5em; color: #ff140...
...ue) success_callback(value.blob); }; } /** * @param {idbobjectstore=} store */ function displaypublist(store) { console.log("displaypublist"); if (typeof store == 'undefined') store = getobjectstore(db_store_name, 'readonly'); var pub_msg = $('#pub-msg'); pub_msg.empty(); var pub_list = $('#pub-list'); pub_list.empty(); // resetting the iframe so that it doesn't display previous content newviewerframe(); var req; req = store.count(); // requests are executed in the order in which they were made against the // transaction, and their results are returned in the same order.
...And 5 more matches

MediaDevices.getUserMedia() - Web APIs
a().
...ure policy security management feature of http is in the process of being introduced into browsers, with support available to some extent in many browsers (though not always enabled by default, as in firefox).
... prepared to deal with this.
...And 5 more matches

Index - Archive of obsolete content
ce no summary!
...rsion your code is running on.
...ll checking in xul add-ons, extensions spell checking functionality is available starting in firefox 2.
...And 4 more matches

Adding vector graphics to the Web - Learn web development
ould cache regular image assets, so pages that include the image will not load faster after the first page containing the image is loaded.
...containing the image is loaded.
...in a <foreignobject> element, but browsers that support svg still download any fallback images.
...And 4 more matches

Index - Learn web development
tour would be boring and confusing at this stage, and we just wanted to give you an idea of the most common things you'll find in there for now!
...let's start looking at how to make the web come alive with more interesting content!
... about, and how to include svg inside your webpages.
...And 4 more matches

mozbrowserfindchange
non-standard this feature is non-standard and is not on a standards track.
...tandard this feature is non-standard and is not on a standards track.
... non-standard and is not on a standards track.
...And 4 more matches

mozbrowsershowmodalprompt
non-standard this feature is non-standard and is not on a standards track.
... for every user.
...ershowmodalprompt event is fired when the content of a browser <iframe> calls the window.alert(), window.confirm(), or window.prompt() methods.
...And 4 more matches

Pointer Lock API - Web APIs
animation = requestanimationframe(function() { animation = null; canvasdraw(); }); } } the canvasdraw() function draws the ball in the current x and y positions: function canvasdraw() { ctx.fillstyle = "black"; ctx.fillrect(0, 0, canvas.width, canvas.height); ctx.fillstyle = "#f00"; ctx.beginpath(); ctx.arc(x, y, radius, 0, degtorad(360), true); ctx.fill(); } iframe limitations pointer lock can only lock one iframe at a time.
...vasdraw(); }); } } the canvasdraw() function draws the ball in the current x and y positions: function canvasdraw() { ctx.fillstyle = "black"; ctx.fillrect(0, 0, canvas.width, canvas.height); ctx.fillstyle = "#f00"; ctx.beginpath(); ctx.arc(x, y, radius, 0, degtorad(360), true); ctx.fill(); } iframe limitations pointer lock can only lock one iframe at a time.
...w() function draws the ball in the current x and y positions: function canvasdraw() { ctx.fillstyle = "black"; ctx.fillrect(0, 0, canvas.width, canvas.height); ctx.fillstyle = "#f00"; ctx.beginpath(); ctx.arc(x, y, radius, 0, degtorad(360), true); ctx.fill(); } iframe limitations pointer lock can only lock one iframe at a time.
...And 4 more matches

Window.pageYOffset - Web APIs
s.
...").contentdocument .body.innerhtml = contenthtml; in this example, an <iframe> is created and filled with content, then a specific element within the document is scrolled into view in the frame.
...hin the document is scrolled into view in the frame.
...And 4 more matches

Feature-Policy: accelerometer - HTTP
ntrols whether the current document is allowed to gather information about the acceleration of the device through the accelerometer interface.
...er interface.
...erometer <allowlist>; <allowlist> an allowlist is a list of origins that takes one or more of the following values, separated by spaces: *: the feature will be allowed in this document, and all nested browsing contexts (iframes) regardless of their origin.
...And 4 more matches

Feature-Policy: ambient-light-sensor - HTTP
allowed to gather information about the amount of light in the environment around the device through the ambientlightsensor interface.
...rface.
...t-sensor <allowlist>; <allowlist> an allowlist is a list of origins that takes one or more of the following values, separated by spaces: *: the feature will be allowed in this document, and all nested browsing contexts (iframes) regardless of their origin.
...And 4 more matches

Feature-Policy: autoplay - HTTP
<video> elements will be ignored.
...nd web audio apis.
...autoplay <allowlist>; <allowlist> an allowlist is a list of origins that takes one or more of the following values, separated by spaces: *: the feature will be allowed in this document, and all nested browsing contexts (iframes) regardless of their origin.
...And 4 more matches

Feature-Policy: battery - HTTP
ment is allowed to gather information about the acceleration of the device through the batterymanager interface obtained via navigator.getbattery().
...gator.getbattery().
... battery <allowlist>; <allowlist> an allowlist is a list of origins that takes one or more of the following values, separated by spaces: *: the feature will be allowed in this document, and all nested browsing contexts (iframes) regardless of their origin.
...And 4 more matches

Feature-Policy: camera - HTTP
owed to use video input devices.
...h a notallowederror.
...: camera <allowlist>; <allowlist> an allowlist is a list of origins that takes one or more of the following values, separated by spaces: *: the feature will be allowed in this document, and all nested browsing contexts (iframes) regardless of their origin.
...And 4 more matches

Feature-Policy: display-capture - HTTP
n's contents.
...laymedia().
...-capture <allowlist>; <allowlist> an allowlist is a list of origins that takes one or more of the following values, separated by spaces: *: the feature will be allowed in this document, and all nested browsing contexts (iframes) regardless of their origin.
...And 4 more matches

Feature-Policy: document-domain - HTTP
ent.domain.
... be thrown.
...t-domain <allowlist>; <allowlist> an allowlist is a list of origins that takes one or more of the following values, separated by spaces: *: the feature will be allowed in this document, and all nested browsing contexts (iframes) regardless of their origin.
...And 4 more matches

Feature-Policy: encrypted-media - HTTP
ns api (eme).
...exception.
...ed-media <allowlist>; <allowlist> an allowlist is a list of origins that takes one or more of the following values, separated by spaces: *: the feature will be allowed in this document, and all nested browsing contexts (iframes) regardless of their origin.
...And 4 more matches

Feature-Policy: gyroscope - HTTP
ective controls whether the current document is allowed to gather information about the orientation of the device through the gyroscope interface.
...oscope interface.
...yroscope <allowlist>; <allowlist> an allowlist is a list of origins that takes one or more of the following values, separated by spaces: *: the feature will be allowed in this document, and all nested browsing contexts (iframes) regardless of their origin.
...And 4 more matches

Feature-Policy: layout-animations - HTTP
the http feature-policy header layout-animations directive controls whether the current document is allowed to show layout animations.
...imations.
...imations <allowlist>; <allowlist> an allowlist is a list of origins that takes one or more of the following values, separated by spaces: *: the feature will be allowed in this document, and all nested browsing contexts (iframes) regardless of their origin.
...And 4 more matches

Feature-Policy: legacy-image-formats - HTTP
ture-policy header legacy-image-formats directive controls whether the current document is allowed to display images in legacy formats.
...rmats.
...-formats <allowlist>; <allowlist> an allowlist is a list of origins that takes one or more of the following values, separated by spaces: *: the feature will be allowed in this document, and all nested browsing contexts (iframes) regardless of their origin.
...And 4 more matches

Feature-Policy: magnetometer - HTTP
controls whether the current document is allowed to gather information about the orientation of the device through the magnetometer interface.
...ter interface.
...etometer <allowlist>; <allowlist> an allowlist is a list of origins that takes one or more of the following values, separated by spaces: *: the feature will be allowed in this document, and all nested browsing contexts (iframes) regardless of their origin.
...And 4 more matches

Feature-Policy: microphone - HTTP
to use audio input devices.
...notallowederror.
...crophone <allowlist>; <allowlist> an allowlist is a list of origins that takes one or more of the following values, separated by spaces: *: the feature will be allowed in this document, and all nested browsing contexts (iframes) regardless of their origin.
...And 4 more matches

Feature-Policy: midi - HTTP
is allowed to use the web midi api.
...t with a domexception.
...cy: midi <allowlist>; <allowlist> an allowlist is a list of origins that takes one or more of the following values, separated by spaces: *: the feature will be allowed in this document, and all nested browsing contexts (iframes) regardless of their origin.
...And 4 more matches

Feature-Policy: oversized-images - HTTP
ttp feature-policy header oversized-images directive controls whether the current document is allowed to download and display large images.
...ge images.
...d-images <allowlist>; <allowlist> an allowlist is a list of origins that takes one or more of the following values, separated by spaces: *: the feature will be allowed in this document, and all nested browsing contexts (iframes) regardless of their origin.
...And 4 more matches

Feature-Policy: payment - HTTP
current document is allowed to use the payment request api.
...hrow a syntaxerror.
... payment <allowlist>; <allowlist> an allowlist is a list of origins that takes one or more of the following values, separated by spaces: *: the feature will be allowed in this document, and all nested browsing contexts (iframes) regardless of their origin.
...And 4 more matches

Feature-Policy: picture-in-picture - HTTP
icture directive controls whether the current document is allowed to play a video in a picture-in-picture mode via the corresponding api.
...ing api.
...-picture <allowlist>; <allowlist> an allowlist is a list of origins that takes one or more of the following values, separated by spaces: *: the feature will be allowed in this document, and all nested browsing contexts (iframes) regardless of their origin.
...And 4 more matches

Feature-Policy: publickey-credentials-get - HTTP
als.get({publickey: ..., ...}).
....
...ials-get <allowlist>; <allowlist> an allowlist is a list of origins that takes one or more of the following values, separated by spaces: *: the feature will be allowed in this document, and all nested browsing contexts (iframes) regardless of their origin.
...And 4 more matches

Feature-Policy: screen-wake-lock - HTTP
o indicate that device should not dim or turn off the screen.
...ake-lock.
...ake-lock <allowlist>; <allowlist> an allowlist is a list of origins that takes one or more of the following values, separated by spaces: *: the feature will be allowed in this document, and all nested browsing contexts (iframes) regardless of their origin.
...And 4 more matches

Feature-Policy: sync-xhr - HTTP
the http feature-policy header sync-xhr directive controls whether the current document is allowed to make synchronous xmlhttprequest requests.
...prequest requests.
...sync-xhr <allowlist>; <allowlist> an allowlist is a list of origins that takes one or more of the following values, separated by spaces: *: the feature will be allowed in this document, and all nested browsing contexts (iframes) regardless of their origin.
...And 4 more matches

Feature-Policy: unoptimized-images - HTTP
e-policy header unoptimized-images directive controls whether the current document is allowed to download and display unoptimized images.
... images.
...d-images <allowlist>; <allowlist> an allowlist is a list of origins that takes one or more of the following values, separated by spaces: *: the feature will be allowed in this document, and all nested browsing contexts (iframes) regardless of their origin.
...And 4 more matches

Feature-Policy: unsized-media - HTTP
blem caused by providing default dimensions for images whose size is not specified in advance so that image doesn't change size after loading.
...fter loading.
...ed-media <allowlist>; <allowlist> an allowlist is a list of origins that takes one or more of the following values, separated by spaces: *: the feature will be allowed in this document, and all nested browsing contexts (iframes) regardless of their origin.
...And 4 more matches

Feature-Policy: usb - HTTP
the http feature-policy header usb directive controls whether the current document is allowed to use the webusb api.
... to use the webusb api.
...icy: usb <allowlist>; <allowlist> an allowlist is a list of origins that takes one or more of the following values, separated by spaces: *: the feature will be allowed in this document, and all nested browsing contexts (iframes) regardless of their origin.
...And 4 more matches

Feature-Policy: vibrate - HTTP
der vibrate directive controls whether the current document is allowed to trigger device vibrations via navigator.vibrate() method of vibration api.
...hod of vibration api.
...y: vibrate <allowlist>; <vibrate> an allowlist is a list of origins that takes one or more of the following values, separated by spaces: *: the feature will be allowed in this document, and all nested browsing contexts (iframes) regardless of their origin.
...And 4 more matches

Feature-Policy: wake-lock - HTTP
api to indicate that device should not enter power-saving mode.
...-lock directive.
...ake-lock <allowlist>; <allowlist> an allowlist is a list of origins that takes one or more of the following values, separated by spaces: *: the feature will be allowed in this document, and all nested browsing contexts (iframes) regardless of their origin.
...And 4 more matches

web-share - HTTP
s allowed to use the navigator.share() of web share api to share text, links, images, and other content to arbitrary destiations of user's choice.
...of user's choice.
...eb-share <allowlist>; <allowlist> an allowlist is a list of origins that takes one or more of the following values, separated by spaces: *: the feature will be allowed in this document, and all nested browsing contexts (iframes) regardless of their origin.
...And 4 more matches

Feature-Policy: xr-spatial-tracking - HTTP
te support for sessions supporting spatial tracking via navigator.xr.issessionsupported() and devicechange event on navigator.xr object.
...object.
...tracking <allowlist>; <allowlist> an allowlist is a list of origins that takes one or more of the following values, separated by spaces: *: the feature will be allowed in this document, and all nested browsing contexts (iframes) regardless of their origin.
...And 4 more matches

The life of an HTML HTTP request - Archive of obsolete content
ke nshtmlcontentsink::willinterrupt() and nshtmlcontentsink::didbuildmodel().
...umentobserver with the nsidocument it also gets notified of changes in the document/content tree.
...de according to the rules specified in the user agent stylesheet (ua.css) and the document specific style sheets.
...And 3 more matches

mozbrowsercaretstatechanged
non-standard this feature is non-standard and is not on a standards track.
...arge incompatibilities between implementations and the behavior may change in the future.
...hen the user selects content in a page loaded in a browser <iframe>.
...And 3 more matches

mozbrowsercontextmenu
non-standard this feature is non-standard and is not on a standards track.
...ere may also be large incompatibilities between implementations and the behavior may change in the future.
... is fired when the user tried to access a context menu over a browser <iframe>.
...And 3 more matches

mozbrowseropenwindow
non-standard this feature is non-standard and is not on a standards track.
...b: it will not work for every user.
...en a new window is required — usually when the content of a browser <iframe> successfully calls the window.open() method, or the user clicks on a link with an unknown target.
...And 3 more matches

mozbrowserresize
non-standard this feature is non-standard and is not on a standards track.
...not use it on production sites facing the web: it will not work for every user.
...and the behavior may change in the future.
...And 3 more matches

mozbrowserscroll
non-standard this feature is non-standard and is not on a standards track.
...rds track.
...plementations and the behavior may change in the future.
...And 3 more matches

mozbrowserscrollareachanged
non-standard this feature is non-standard and is not on a standards track.
...compatibilities between implementations and the behavior may change in the future.
... available scrolling area in the browser <iframe> changes.
...And 3 more matches

mozbrowservisibilitychange
non-standard this feature is non-standard and is not on a standards track.
... non-standard this feature is non-standard and is not on a standards track.
...ery user.
...And 3 more matches

contentDocument - Web APIs
if the iframe and the iframe's parent document are same origin, returns a document (that is, the active document in the inline frame's nested browsing context), else returns null.
... if the iframe and the iframe's parent document are same origin, returns a document (that is, the active document in the inline frame's nested browsing context), else returns null.
... if the iframe and the iframe's parent document are same origin, returns a document (that is, the active document in the inline frame's nested browsing context), else returns null.
...And 3 more matches

srcdoc - Web APIs
the srcdoc property of the htmliframeelement specifies the content of the page.
... the srcdoc property of the htmliframeelement specifies the content of the page.
... the srcdoc property of the htmliframeelement specifies the content of the page.
...And 3 more matches

MessageChannel() - Web APIs
) constructor of the messagechannel interface returns a new messagechannel object with two new messageport objects.
...rface returns a new messagechannel object with two new messageport objects.
... channel = new messagechannel(); returns a newly created messagechannel object.
...And 3 more matches

MessageChannel.port1 - Web APIs
— the port attached to the context that originated the channel.
... channel.
...nel, that is the port attached to the context that originated the channel.
...And 3 more matches

MessageChannel.port2 - Web APIs
nnel, which the message is initially sent to.
...t to.
...of the channel, the port attached to the context at the other end of the channel.
...And 3 more matches

MessagePort.onmessage - Web APIs
e messageport interface is an eventlistener, called whenever an messageevent of type message is fired on the port — that is, when the port receives a message.
...never an messageevent of type message is fired on the port — that is, when the port receives a message.
...e in web workers.
...And 3 more matches

MessagePort.postMessage() - Web APIs
type.
...ansferlist optional transferable objects to be transferred — these objects have their ownership transferred to the receiving browsing context, so are no longer usable by the sending browsing context.
...sing context, so are no longer usable by the sending browsing context.
...And 3 more matches

Using the Screen Capture API - Web APIs
roduct looks like this.
...ike this.
...indow, or tab to share.
...And 3 more matches

Index - HTTP
nt-security-policy (csp) block-all-mixed-content directive prevents loading any assets using http when the page is loaded using https.
... csp, directive, http, security the http content-security-policy (csp) form-action directive restricts the urls which can be used as the target of a form submissions from a given context.
...ttp content-security-policy (csp) frame-ancestors directive specifies valid parents that may embed a page using <frame>, <iframe>, <object>, <embed>, or <applet>.
...And 3 more matches

HTTP Index - HTTP
-content directive prevents loading any assets using http when the page is loaded using https.
...curity-policy (csp) form-action directive restricts the urls which can be used as the target of a form submissions from a given context.
...irective specifies valid parents that may embed a page using <frame>, <iframe>, <object>, <embed>, or <applet>.
...And 3 more matches

Privacy, permissions, and information security
content security policy provides the ability to define the extent to which a document's content can be accessed by other devices over the web; used in particular to prevent or mitigate attacks on the server feature policy lets web developers selectively enable, disable, and modify the behavior of certain features and apis both for a document and for subdocuments loaded in <iframe>s <iframe>'s allow attribute technically part of feature policy, the allow attribute on an <iframe> specifies which web features the document in the frame should be allowed to access http public key pinning (hpkp) hpkp is used by servers to instruct a client to associate a specific public key with the server going forward in order to decrease the likelihood of man-in-the-m...
... transport layer security (tls); formerly known as secure sockets layer (ssl) tls provides security and privacy by encrypting data during transport over the network.
...y used within code; notably, the permissions api, feature policy, and the allow attribute on <iframe> elements are primary tools directly used by code to help secure a site and its content.
...And 3 more matches

Cross-domain Content Scripts - Archive of obsolete content
by default, content scripts don't have any cross-domain privileges.
... the scheme and fully qualified domain name, and these must exactly match the domains serving the content - so in the example above, the content script will not be allowed to access content served from https://example.com/.
... content script called "page.js" to the page, waits for messages from the script, and logs the payload.
...And 2 more matches

Migrate apps from Internet Explorer to Mozilla - Archive of obsolete content
f no w3c equivalent exists.
...eature, which turns an html document into a rich text editor field.
...ent into a rich text editor field.
...And 2 more matches

Accessibility/XUL Accessibility Reference - Archive of obsolete content
keyboard shortcut tutorial deck only the currently selected deck layer can be focused.
...ntly selected deck layer can be focused.
...text in the grid can be read, jaws does not recognize grids as tables for table reading mode.
...And 2 more matches

xbDesignMode.js - Archive of obsolete content
l code is * netscape communications corporation.
... * portions created by the initial developer are copyright (c) 2003 * the initial developer.
...l developer.
...And 2 more matches

Gecko info for Windows accessibility vendors
he current document into a buffer in their own process.
... vt_bstr.
... n/a role_caret supported for caret fires event_show, event_hide, event_locationchange role_alert xul: <browsermessage> dhtml: role="wairole:alert" fires event_alert role_window supported automatically by ms windows role_client xul: <browser> html: <frame> or <iframe> role_menupopup dhtml: role="wairole:menu" fires event_menupopupstart, event_menupopupend role_menuitem xul: menuitem dhtml: role="wairole:menuitem" sets state_checked for radio or checkbox menuitem types accelerator key comes in accname after a \t (tab) character.
...And 2 more matches

mozbrowserloadend
non-standard this feature is not on a current w3c standards track, but it is supported on the firefox os platform.
...x os apps.
...s can be used when the embedder wants to stop spinning a loading indicator, or update the ui in some other way to indicate loading is complete.
...And 2 more matches

DevTools API - Firefox Developer Tools
e has been unregistered.
...oolbox is destroyed.
...etwork monitor initialized to toolbox", toolbox); }); toolsidebar to build a sidebar in your tool, first, add a xul:tabbox where you want the sidebar to live: <splitter class="devtools-side-splitter"/> <tabbox id="mytool-sidebar" class="devtools-sidebar-tabs" hidden="true"> <tabs/> <tabpanels flex="1"/> </tabbox> a sidebar is composed of tabs.
...And 2 more matches

Storage Inspector - Firefox Developer Tools
the storage inspector enables you to inspect various types of storage that a web page can use.
... it can be used to inspect the following storage types: cache storage — any dom caches created using the cache api.
... the page or any iframes inside of the page.
...And 2 more matches

Web Console Helpers - Firefox Developer Tools
ponding string: "number", "string", "bool", "node", or "nodes"; if not provided, any_type is used.
... in the network monitor, the string now appears and is selected in the request blocking sidebar.
...or, the string now appears and is selected in the request blocking sidebar.
...And 2 more matches

Document.adoptNode() - Web APIs
ode = document.adoptnode(externalnode); parameters externalnode the node from another document to be adopted.
...node); parameters externalnode the node from another document to be adopted.
...ers externalnode the node from another document to be adopted.
...And 2 more matches

Cross-global fetch usage - Web APIs
this article explains an edge case that occurs with fetch (and potentially other apis exhibiting the same kind of resource retrieval behavior).
... this article explains an edge case that occurs with fetch (and potentially other apis exhibiting the same kind of resource retrieval behavior).
...urs with fetch (and potentially other apis exhibiting the same kind of resource retrieval behavior).
...And 2 more matches

Using the Storage Access API - Web APIs
ince embedded content won’t know which storage policy is in use by the user, it’s best to always check whether the embedded frame has storage access before attempting to read or write from storage.
...use by the user, it’s best to always check whether the embedded frame has storage access before attempting to read or write from storage.
...e from storage.
...And 2 more matches

Text labels and names - Accessibility
news about this product.</label> form elements should have a visible text label in addition to having a <label> for every form element, those labels should be visible, not hidden.
...e, with content identical to the frame's title attribute.
...your control; if not, try to match the frame's title attribute to the document's title.) some screen readers replace the contents of the title attribute with the contents of the enclosed document's <title>.
...And 2 more matches

aspect-ratio - CSS: Cascading Style Sheets
feature can be used to test the aspect ratio of the viewport.
...viewport.
...and height.
...And 2 more matches

Content-Security-Policy - HTTP
tent-security-policy: <policy-directive>; <policy-directive> where <policy-directive> consists of: <directive> <value> with no internal punctuation.
...s, you should use the frame-src and worker-src directives, respectively.
...fest files.
...And 2 more matches

Array.isArray() - JavaScript
ng calls return false array.isarray(); array.isarray({}); array.isarray(null); array.isarray(undefined); array.isarray(17); array.isarray('array'); array.isarray(true); array.isarray(false); array.isarray(new uint8array(32)); array.isarray({ __proto__: array.prototype }); instanceof vs isarray when checking for array instance, array.isarray is preferred over instanceof because it works through iframes.
...n false array.isarray(); array.isarray({}); array.isarray(null); array.isarray(undefined); array.isarray(17); array.isarray('array'); array.isarray(true); array.isarray(false); array.isarray(new uint8array(32)); array.isarray({ __proto__: array.prototype }); instanceof vs isarray when checking for array instance, array.isarray is preferred over instanceof because it works through iframes.
...array({}); array.isarray(null); array.isarray(undefined); array.isarray(17); array.isarray('array'); array.isarray(true); array.isarray(false); array.isarray(new uint8array(32)); array.isarray({ __proto__: array.prototype }); instanceof vs isarray when checking for array instance, array.isarray is preferred over instanceof because it works through iframes.
...And 2 more matches

Lazy loading - Web Performance
it is possible to perform some css optimizations to achieve that.
...y, and the font loading api.
...es very often, webpages contain many images that contribute to data-usage and how fast a page can load.
...And 2 more matches

page-mod - Archive of obsolete content
contentstyle lists stylesheets to attach, supplied as strings.
...ose specified by the contentstylefile option.
...ment that satisfies the rule includes ten iframes using a relative url, then your page-mod is applied eleven times.
...alues: "existing": the page-mod will be automatically applied on already opened tabs.

Interaction between privileged and non-privileged pages - Archive of obsolete content
can create security holes.
...s to treat the communication between webpage and chrome as a normal network protocol and use xml.
...tion between webpage and chrome as a normal network protocol and use xml.
...hrome as a normal network protocol and use xml.

Chapter 3: Introduction to XUL—How to build a more intuitive UI - Archive of obsolete content
des = gbrowser.mtabcontainer.childnodes; for (var i = 0; i < nodes.length; i++) alert(nodes[i].label); ]]></script> listing 18: embedding a script in xul note: although embedding javascript is permitted, it's generally encouraged that you instead place your javascript code in an external file.
...label); ]]></script> listing 18: embedding a script in xul note: although embedding javascript is permitted, it's generally encouraged that you instead place your javascript code in an external file.
...allows you to use inline frames.
...at uri will be opened by default.

Style System Overview - Archive of obsolete content
rents (ugly when we have multiple frames per content node).
...estroys and recreates style contexts for existing frames (rule node pointer immutable).
...ee for a style sheet/rule removal.
...hashtable just for inline style rules so that we don't have to walk the whole tree to find the nodes.

nsIContentPolicy - Archive of obsolete content
indicates a stylesheet (for example, <style> elements).
... a generic object (plugin-handled content typically falls under this category).
...nt policy implementations, and should not be used outside gecko core code.
... type_internal_frame 28 an internal constant used to represent content loaded from <frame> elements.

Mozilla accessibility architecture
the real work.
... is returned by nsiaccessible's traversal methods atk/msaa toolkit traversal method → nsaccessible traversal method → nsaccessibletreewalker method which traverses dom & anonymous content → nsiaccessibilityservice::getaccessible() with the content node → nsdocaccessible::getcachedaccessnode() and returns if successful, or → nsiaccessibleprovider::getaccessible() (if xul) or → nsiframe::getaccessible() (if html), which either return nothing or → nsiaccessibilityservice::create[inserttypenamehere]accessible() → operator new, which finally constructs the object.
...he content node → nsdocaccessible::getcachedaccessnode() and returns if successful, or → nsiaccessibleprovider::getaccessible() (if xul) or → nsiframe::getaccessible() (if html), which either return nothing or → nsiaccessibilityservice::create[inserttypenamehere]accessible() → operator new, which finally constructs the object.
... doesn't have a dom node or anonymous content for its s textfield, button or list.

Inner and outer windows
r to represent these levels of complexity, two "types" of window need to be considered.
...w as the answer.
...s become slightly more complex when you consider that documents can contain other documents.
...sent the more abstract inner and outer windows, which are real objects that you don't directly interact with when working with the dom.

mozbrowseractivitydone
non-standard this feature is non-standard and is not on a standards track.
...pp's activity definition in its manifest does not include returnvalue or returnvalue is false, no mozbrowseractivitydone event will be generated as of the landing of bug 1194525 in firefox os 2.5.
...s of the landing of bug 1194525 in firefox os 2.5.
...cancelable read only boolean whether the event is cancellable or not.

mozbrowseraudioplaybackchange
non-standard this feature is non-standard and is not on a standards track.
...uction sites facing the web: it will not work for every user.
...ay change in the future.
... the browser iframe type read only domstring the type of event.

mozbrowserclose
non-standard this feature is non-standard and is not on a standards track.
...production sites facing the web: it will not work for every user.
...escription target read only eventtarget the event target (the topmost target in the dom tree).
... type read only domstring the type of event.

mozbrowsererror
non-standard this feature is non-standard and is not on a standards track.
...ction sites facing the web: it will not work for every user.
...y change in the future.
...terrupt nettimeout cspblocked phishingblocked malwareblocked unwantedblocked offline malformeduri redirectloop unknownsockettype netreset notcached isprinting deniedportaccess proxyresolvefailure proxyconnectfailure contentencodingfailure remotexul unsafecontenttype corruptedcontenterror certerror other example var browser = document.queryselector("iframe"); browser.addeventlistener("mozbrowsererror", function( event ) { console.log("an error occurred:" + event.detail); }); related events mozbrowserasyncscroll mozbrowserclose mozbrowsercontextmenu mozbrowsericonchange mozbrowserloadend mozbrowserloadstart mozbrowserlocationchange mozbrowseropenwindow mozbrowsersecuritychange mozbrowsershowmodalprompt mozbrowsertitlechange mozbrow...

mozbrowsericonchange
feature is non-standard and is not on a standards track.
...ities between implementations and the behavior may change in the future.
...k rel="icon"> or <link rel="apple-touch-icon">) is available in the browser <iframe>'s content.
... the following properties: href a domstring representing the path to the new icon.

mozbrowserlocationchange
non-standard this feature is non-standard and is not on a standards track.
...e web: it will not work for every user.
...e.
...on.

mozbrowsermanifestchange
non-standard this feature is non-standard and is not on a standards track.
...mentations and the behavior may change in the future.
...aded in the browser <iframe> changes.
... boolean whether the event normally bubbles or not.

mozbrowseropentab
non-standard this feature is non-standard and is not on a standards track.
...incompatibilities between implementations and the behavior may change in the future.
...s opened within a browser <iframe> as a result of the user issuing a command to open a link target in a new tab (for example ctrl/cmd + click.) general info specification non standard interface customevent bubbles yes cancelable yes target <iframe> default action none properties property type description target read only eventtarget the browser iframe type read only domstring the type of event.
...event normally bubbles or not.

mozbrowsersecuritychange
non-standard this feature is non-standard and is not on a standards track.
...t will not work for every user.
... the mozbrowsersecuritychange event is fired when the browser <iframe> has connected to the server, and when the mixed content state changes.
...tendedvalidation a boolean indicating if the current ssl certificate is an extended validation certificate (true) or not (false).

mozbrowserselectionstatechanged
non-standard this feature is non-standard and is not on a standards track.
...plementations and the behavior may change in the future.
...the browser <iframe> content changes.
...nitless and represents a percentage increase/decrease, e.g.

mozbrowsertitlechange
non-standard this feature is non-standard and is not on a standards track.
...the web: it will not work for every user.
...ure.
...read only eventtarget the browser iframe type read only domstring the type of event.

mozbrowserusernameandpasswordrequired
non-standard this feature is non-standard and is not on a standards track.
...sswordrequired event is fired when the content within a browser <iframe> requires an http authentification.
...the necessary credentials, usually using a dialog or a database of username/passwords, and then call authenticate() or cancel() as appropriate.
...proxy a boolean indicating whether the server dealing with the authentication is a proxy server (true) or not (false).

Midas
teditable attribute; starting with firefox 3, gecko also supports contenteditable.
...s is invoked, a few more methods of the document object become available.
...s also avoids problems with bug 198155.
...e done by manipulating the selection and range objects.

imgIContainer
d long index); obsolete since gecko 1.9.2 void getframecolormap(in unsigned long framenumber, [array, size_is(palettelength)] out pruint32 palettedata, out unsigned long palettelength); obsolete since gecko 2.0 unsigned long getframeimagedatalength(in unsigned long framenumber); obsolete since gecko 2.0 imagecontainer getimagecontainer(); native code only!
...ining the current frame.
...e images.
...ng description violates the xpcom interface guidelines getrootlayoutframe() if this image is type_vector, that is really an embedded svg document, and this method returns a pointer to the root nsiframe of that document.

Filelink Providers
ername and password.
...mation it gets from the user from the setup dialog by pointing the settingsurl attribute of their nsimsgcloudfileprovider implementation to a chrome url for an xhtml page that contains a form with the extra information.
...lidity method of the form is automatically called.
...l.cloud_files.accounts.account_key.username where account_key is the value passed into the implementations init function.

Firefox Developer Tools
he firefox developer tools from the menu by selecting tools > web developer > toggle tools or use the keyboard shortcut ctrl + shift + i or f12 on windows and linux, or cmd + opt + i on macos.
... tools > web developer > toggle tools or use the keyboard shortcut ctrl + shift + i or f12 on windows and linux, or cmd + opt + i on macos.
...by the currently active tab.
... tools to a variety of other targets, too, both within the current browser and in different browsers or even different devices.

Using files from web applications - Web APIs
style="margin:30px; width:500px; height:300px; border:1px dotted grey;">drag & drop your file here...</div> </div> </body> </html> example: using object urls to display pdf object urls can be used for other things than just images!
... </div> </body> </html> example: using object urls to display pdf object urls can be used for other things than just images!
...n just images!
...mbedded pdf files or any other resources that can be displayed by the browser.

window.postMessage() - Web APIs
the window.postmessage() method safely enables cross-origin communication between window objects; e.g., between a page and a pop-up that it spawned, or between a page and an iframe embedded within it.
...message”) are exposed to the receiving window through the event object.
... the event object.
...a reference to the window that will receive the message.

Window.print() - Web APIs
t-data and send us a pull request.
...dals.edge full support 12firefox full support 1ie full support 5opera full support 6notes full support 6notes notes starting with opera 33, this method is blocked inside an <iframe> unless its sandbox attribute has the value allow-modals.safari full support 1.1webview android full support 1notes full support 1notes notes starting with webview 46, this method is blocked inside an <iframe> unless its sandbox attribute has the value allow-moda...
... full support 1notes notes starting with webview 46, this method is blocked inside an <iframe> unless its sandbox attribute has the value allow-modals.chrome android full support 18notes full support 18notes notes starting with chrome 46, this method is blocked inside an <iframe> unless its sandbox attribute has the value allow-modals.firefox android no support nonotes no support nonotes notes see bug 1247609.opera android full support 10.1notes full support 10.1notes notes starting with oper...
...alue allow-modals.firefox android no support nonotes no support nonotes notes see bug 1247609.opera android full support 10.1notes full support 10.1notes notes starting with opera 33, this method is blocked inside an <iframe> unless its sandbox attribute has the value allow-modals.safari ios full support 1samsung internet android full support 1.0notes full support 1.0notes notes starting with samsung internet 5.0, this method is blocked inside an <iframe> unless its sandbox attribute...

Window.prompt() - Web APIs
-data and send us a pull request.
...r for windows 8.
...tarting with opera 33, this method is blocked inside an <iframe> unless its sandbox attribute has the value allow-modals.safari full support 1webview android full support 1notes full support 1notes notes starting with webview 46, this method is blocked inside an <iframe> unless its sandbox attribute has the value allow-modals.chrome android full support 18notes full support 18notes notes starting with chrome 46, this method is blocked inside an <iframe> unless its sandbox attribute has the value allow-modals.firefox android full support ...
... chrome 46, this method is blocked inside an <iframe> unless its sandbox attribute has the value allow-modals.firefox android full support 4opera android full support 10.1notes full support 10.1notes notes starting with opera 33, this method is blocked inside an <iframe> unless its sandbox attribute has the value allow-modals.safari ios full support 1samsung internet android full support 1.0notes full support 1.0notes notes starting with samsung internet 5.0, this method is blocked inside an <iframe> unless its sandbox attribute...

Content categories - Developer guides
the flow content category typically contain text or embedded content.
...but is still part of the whatwg specification and is at least partially supported by most browsers.
...<ins>, if it contains only phrasing content <link>, if the itemprop attribute is present <map>, if it contains only phrasing content <meta>, if the itemprop attribute is present embedded content embedded content imports another resource or inserts content from another mark-up language or namespace into the document.
...tent from another mark-up language or namespace into the document.

Printing - Developer guides
event, click the link below to open the window to print.
...link below to open the window to print.
...ipt"> function closeprint () { document.body.removechild(this.__container__); } function setprint () { this.contentwindow.__container__ = this; this.contentwindow.onbeforeunload = closeprint; this.contentwindow.onafterprint = closeprint; this.contentwindow.focus(); // required for ie this.contentwindow.print(); } function printpage (surl) { var ohiddframe = document.createelement("iframe"); ohiddframe.onload = setprint; ohiddframe.style.position = "fixed"; ohiddframe.style.right = "0"; ohiddframe.style.bottom = "0"; ohiddframe.style.width = "0"; ohiddframe.style.height = "0"; ohiddframe.style.border = "0"; ohiddframe.src = surl; document.body.appendchild(ohiddframe); } </script> </head> <body> <p><span onclick="printpage('externalpage.html');" style="cursor:p...
...rame.style.height = "0"; ohiddframe.style.border = "0"; ohiddframe.src = surl; document.body.appendchild(ohiddframe); } </script> </head> <body> <p><span onclick="printpage('externalpage.html');" style="cursor:pointer;text-decoration:underline;color:#0000ff;">print external page!</span></p> </body> </html> note: older versions of internet explorer cannot print the contents of a hidden <iframe>.

HTML documentation index - HTML: Hypertext Markup Language
itemprop global attribute is used to add properties to an item.
...che manifest that is downloaded in the early stages of page load.
...rence, web, em the html idiomatic text element (<i>) represents a range of text that is set off from the normal text for some reason, such as idiomatic text, technical terms, taxonomical designations, among others.
...element (<i>) represents a range of text that is set off from the normal text for some reason, such as idiomatic text, technical terms, taxonomical designations, among others.

Feature Policy - HTTP
es" for the browser to enforce on specific features used throughout a website.
...allowlist is specific to each feature.
... is a combination of a defined feature name, and an allowlist of origins that can use the feature.
...ader and the allow attribute is that the allow attribute only controls features within an iframe.

CSP: child-src - HTTP
the http content-security-policy (csp) child-src directive defines the valid sources for web workers and nested browsing contexts loaded using elements such as <frame> and <iframe>.
...clude the <script> or <style> tags and note that capitalization and whitespace matter, including leading or trailing whitespace.
...capitalization and whitespace matter, including leading or trailing whitespace.
...ncluding leading or trailing whitespace.

CSP: frame-src - HTTP
the http content-security-policy (csp) frame-src directive specifies valid sources for nested browsing contexts loading using elements such as <frame> and <iframe>.
... <script> or <style> tags and note that capitalization and whitespace matter, including leading or trailing whitespace.
...at capitalization and whitespace matter, including leading or trailing whitespace.
... including leading or trailing whitespace.

Scripting - SVG: Scalable Vector Graphics
svgdocument that points to the svg document.
...or mozilla's native svg implementation; therefore, using window.svgdocument does not work in mozilla.
..."name_of_svg"].getsvgdocument(); to get a reference to an embedded svg document instead.
... to an embedded svg document instead.

Porting the Library Detector - Archive of obsolete content
list.foreach(function(library) { if (worker.tab.libraries.indexof(library) == -1) { worker.tab.libraries.push(library); } }); if (worker.tab == tabs.activetab) { updatewidgetview(worker.tab); } }); } }); the content script is executed once for every window.onload event, so it will run multiple times when a single page containing multiple iframes is loaded.
...rker.tab.libraries.push(library); } }); if (worker.tab == tabs.activetab) { updatewidgetview(worker.tab); } }); } }); the content script is executed once for every window.onload event, so it will run multiple times when a single page containing multiple iframes is loaded.
....push(library); } }); if (worker.tab == tabs.activetab) { updatewidgetview(worker.tab); } }); } }); the content script is executed once for every window.onload event, so it will run multiple times when a single page containing multiple iframes is loaded.

Displaying web content in an extension without security issues - Archive of obsolete content
extension that needs to display web content (which is always potentially dangerous) will use all of them.
... to have any privileges at all.
....allowjavascript = false; frame.docshell.allowmetaredirects = false; frame.docshell.allowplugins = false; frame.docshell.allowsubframes = false; but what about interactivity, for example if you want a certain reaction to mouse clicks?

XUL Questions and Answers - Archive of obsolete content
sses["@mozilla.org/moz/jssubscript-loader;1"].getservice(components.interfaces.mozijssubscriptloader); objscriptloader.loadsubscript(strurl); see http://www.xulplanet.com/references/...iptloader.html for more information.
...bel="rdf:http://home.netscape.com/nc-rdf#dirname" value="rdf:http://home.netscape.com/nc-rdf#diruri"/> </rule> </template> </menupopup> </menulist> drawwindow with transparent background possible?
...asrenderingcontext2d* c2d = //coming from <canvas> nsidomwindow* window = //coming from <iframe> c2d->drawwindow( window, ..., "rgba(0,0,0,0)"); --------------------------------------------------------- this makes canvas background transparent if background is transparent but when "window" is coming from top level content window, background is not transparent.

Test your skills: Links - Learn web development
ple.com".
...tory called imghp.
...written link text, and rewrite them so that they have good link text.

Multimedia and Embedding - Learn web development
otating it with captions using <figure>, and how it relates to css background images.
...ges, including basics, providing access to different file formats to different browsers, adding captions and subtitles, and how to add fallbacks for older browsers.
...o different file formats to different browsers, adding captions and subtitles, and how to add fallbacks for older browsers.

Message manager overview
browser windows) getchildat() : get the child at the given index loadframescript() : load a frame script into every tab in the browser broadcastasyncmessage() : send a message to frame scripts addmessagelistener() : start listening to a specific message from all frame scripts removemessagelistener() : stop listening to a specific message interfaces nsiframescriptloader nsimessagelistenermanager nsimessagebroadcaster how to access access it using components.classes: // chrome script let globalmm = cc["@mozilla.org/globalmessagemanager;1"] .getservice(ci.nsimessagelistenermanager); you can also access it as the mm property of services.jsm, if you are in the parent process.
...s) getchildat() : get the child at the given index loadframescript() : load a frame script into every tab in this window broadcastasyncmessage() : send a message to all frame scripts in this window addmessagelistener() : start listening to a specific message from frame scripts removemessagelistener() : stop listening to a specific message interfaces nsiframescriptloader nsimessagelistenermanager nsimessagebroadcaster how to access you can access it as a property of the browser window: // chrome script let windowmm = window.messagemanager; browser message manager note that in this context, "browser" refers to the xul <browser> object, which is a frame that hosts a single web document.
... most important functions are: loadframescript() : load a frame script into this browser frame (tab) sendasyncmessage() : send a message to all frame scripts in this browser frame addmessagelistener() : start listening to a specific message from frame scripts removemessagelistener() : stop listening to a specific message interfaces nsiprocesschecker nsiframescriptloader nsimessagelistenermanager nsimessagesender how to access the browser message manager can be accessed as a property of the xul <browser> element: // chrome script let browsermm = gbrowser.selectedbrowser.messagemanager; content process content frame message manager description there's a content frame message manager for...

Message manager overview
a web browser.
...ger is associated with a specific browser window, and operates on every <browser> (that is, every content tab) loaded into that window: loadframescript() loads the given script into every <browser> in that browser window broadcastasyncmessage() sends the message to every <browser> in that browser window.
... sendasyncmessage() sends the message only to that <browser>.

mozbrowserdocumentfirstpaint
non-standard this feature is non-standard and is not on a standards track.
...tion sites facing the web: it will not work for every user.
...escription target read only eventtarget the event target (the topmost target in the dom tree).

mozbrowserfirstpaint
non-standard this feature is non-standard and is not on a standards track.
... work for every user.
...escription target read only eventtarget the event target (the topmost target in the dom tree).

mozbrowserloadstart
non-standard this feature is non-standard and is not on a standards track.
...d the behavior may change in the future.
... bubbles read only boolean whether the event normally bubbles or not.

mozbrowsermetachange
for every user.
...rmetachange event is fired when a <meta> element related to web applications is added, removed or changed.
...g the <meta> content attribute value, i.e.

mozbrowseropensearch
large incompatibilities between implementations and the behavior may change in the future.
... link to a search engine is found — i.e.
...only boolean whether the event is cancellable or not.

mozbrowserscrollviewchange
on production sites facing the web: it will not work for every user.
...havior may change in the future.
...y boolean whether the event is cancellable or not.

Mozilla Style System Documentation
complete although less detailed documentation.
...e unordered, since the order is not relevant.
...efault or single properties that are set to the initial value by default (see css26.1.1), which is essential for the ruletree.

nsIChromeFrameMessageManager
content/base/public/nsimessagemanager.idlscriptable handles loading of content in a remote chrome frame.
...ipt will only be loaded if the frame is already available.
...loaded if the frame is already available.

Working with windows in chrome code
so some calls, like win.document.getelementbyid() will fail.
... from your chrome document.
...and variables inside the sidebar, you need to use document.getelementbyid("sidebar").contentdocument or .contentwindow, like when accessing content documents.

Index - Firefox Developer Tools
ript code rather than just web pages like the normal toolbox.
...t happen in the tab.
...chitecture allows you to connect a web console client instance to a server running on b2g, fennec or some other firefox instance.

Channel Messaging API - Web APIs
the channel messaging api allows two separate scripts running in different browsing contexts attached to the same document (e.g., two iframes, or the main document and an iframe, two documents via a sharedworker, or two workers) to communicate directly, passing messages between one another through two-way channels (or pipes) with a port at each end.
...ng sending of messages from one port and listening out for them arriving at the other.
...w broadcasting of a message to multiple ports simultaneously.

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.
...tokenlist interface returns true if a given token is in the associated attribute's supported tokens.
...pport feature detection.

Document.importNode() - Web APIs
.3), the console warns developers not to omit the argument.
...not to omit the argument.
... starting with gecko 29.0 (firefox 29 / thunderbird 29 / seamonkey 2.26)), a shallow clone is defaulted instead of a deep clone.

DocumentOrShadowRoot.elementFromPoint() - Web APIs
the elementfrompoint() method—available on both the document and shadowroot objects—returns the topmost element at the specified coordinates (relative to the viewport).
... the elementfrompoint() method—available on both the document and shadowroot objects—returns the topmost element at the specified coordinates (relative to the viewport).
...t's parent element is returned (the <iframe> itself).

Page Visibility API - Web APIs
differently.
...ideo, it can pause the video when the user puts the tab into the background, and resume playback when the user returns to the tab.
...r switches tabs or minimizes the browser window containing the tab.

VisualViewport - Web APIs
the visualviewport interface of the visual viewport api represents the visual viewport for a given window.
... the visualviewport interface of the visual viewport api represents the visual viewport for a given window.
... window object.

Functions and classes available to Web Workers - Web APIs
o 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).
...same origin (usually pages from the same site).
...ame site).

Window: unload event - Web APIs
the unload event is fired when the document or a child resource is being unloaded.
... before child frame unload (see example below).
...example below).

itemprop - HTML: Hypertext Markup Language
itemprop global attribute is used to add properties to an item.
...he values would be parsed as multiple tokens.
... if the element is a meter element the value is the value of the element's value attribute if the element is a time element the value is the element's datetime value otherwise the value is the element's textcontent.

CSP: frame-ancestors - HTTP
the http content-security-policy (csp) frame-ancestors directive specifies valid parents that may embed a page using <frame>, <iframe>, <object>, <embed>, or <applet>.
...unding the host are not allowed.
... matches all attempts to load from any subdomain of example.com using the http: url scheme.

Error: Permission denied to access property "x" - JavaScript
the javascript exception "permission denied to access property" occurs when there was an attempt to access an object for which you have no permission.
... for which you have no permission.
...o access property "x" error type error.

Getting started - SVG: Scalable Vector Graphics
n/xhtml+xml, the svg can be directly embedded in the xml source.
...dded in the xml source.
... if the html is html5, and the browser is a conforming html5 browser, the svg can also be directly embedded.

Web security
is called a mixed content page.
...ing, or, in other words, to say that the mime types are deliberately configured.
...eader can be used to indicate whether or not a browser should be allowed to render a page in a <frame>, <iframe>, <embed> or <object>.

ui/frame - Archive of obsolete content
experimental create html iframes, using bundled html, css and javascript, that can be added to a designated area of the firefox user interface.
...logged from a frame script using the console will not appear in the terminal when you run the add-on using jpm run.

Low-Level APIs - Archive of obsolete content
lds that are not part of objects public api.
...1.1.

Tabbed browser - Archive of obsolete content
-1, true); detecting page load see also code snippets:on page load function examplepageload(event) { if (event.originaltarget instanceof components.interfaces.nsidomhtmldocument) { var win = event.originaltarget.defaultview; if (win.frameelement) { // frame within a tab was loaded.
...wing line: // return; // find the root document: win = win.top; } } } // do not try to add a callback until the browser window has // been initialised.

An Interview With Douglas Bowman of Wired News - Archive of obsolete content
e and altering an image variable?
...any advantages...

Layout System Overview - Archive of obsolete content
ext to frames created as children of a container.
...eated as children of a container.

jspage - Archive of obsolete content
(a);document.head.removechild(a);}return b;}native.uid=1; var $uid=(browser.engine.trident)?function(a){return(a.uid||(a.uid=[native.uid++]))[0];}:function(a){return a.uid||(a.uid=native.uid++);};var window=new native({name:"window",legacy:(browser.engine.trident)?null:window.window,initialize:function(a){$uid(a); if(!a.element){a.element=$empty;if(browser.engine.webkit){a.document.createelement("iframe");}a.element.prototype=(browser.engine.webkit)?window["[[domelement.prototype]]"]:{}; }a.document.window=a;return $extend(a,window.prototype);},afterimplement:function(b,a){window[b]=window.prototype[b]=a;}});window.prototype={$family:{name:"window"}}; new window(window);var document=new native({name:"document",legacy:(browser.engine.trident)?null:window.document,initialize:function(a){$uid(a);a.
...lement(a,b);}return document.id(a).set(b);},afterimplement:function(a,b){element.prototype[a]=b; if(array[a]){return;}elements.implement(a,function(){var c=[],g=true;for(var e=0,d=this.length;e<d;e++){var f=this[e][a].apply(this[e],arguments);c.push(f); if(g){g=($type(f)=="element");}}return(g)?new elements(c):c;});}});element.prototype={$family:{name:"element"}};element.constructors=new hash;var iframe=new native({name:"iframe",generics:false,initialize:function(){var f=array.link(arguments,{properties:object.type,iframe:$defined}); var d=f.properties||{};var c=document.id(f.iframe);var e=d.onload||$empty;delete d.onload;d.id=d.name=$pick(d.id,d.name,c?(c.id||c.name):"iframe_"+$time()); c=new element(c||"iframe",d);var b=function(){var g=$try(function(){return c.contentwindow.location.host;});i...

browser.type - Archive of obsolete content
type: one of the values below.
...e preferred value for any browser element in an application, which will use multiple browsers of equal privileges, and is unselected at the moment.

Introduction to XUL - Archive of obsolete content
f="chrome://global/skin/xul.css" type="text/css"?> <!doctype window> <window id="main-window" xmlns:html="http://www.w3.org/1999/xhtml" xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"> <menubar> <menu label="file"> <menupopup> <menuitem label="hello world!" onclick="alert('hello world!\n');"/> </menupopup> </menu> </menubar> <html:iframe id="content-frame" src="contentframe.html" flex="100%"/> </window> the beginning of this example, down through the window tag, is the standard preamble.
...content area.

Features of a Window - Archive of obsolete content
've already seen some features of windows.
...w is moved, the new window is moved relative to it.

XUL Reference - Archive of obsolete content
« xul reference « alphabetical list of all xul elements action arrowscrollbox assign bbox binding bindings box broadcaster broadcasterset button browser checkbox caption clicktoscroll colorpicker column columns commandset command conditions content datepicker deck description dialog dialogheader dropmarker editor grid grippy groupbox hbox iframe image key keyset label listbox listcell listcol listcols listhead listheader listitem member menu menubar menuitem menulist menupopup menuseparator notification notificationbox observes overlay page panel param popupset preference preferences prefpane prefwindow progressmeter query queryset radio radiogroup resizer richlistbox richlistitem row rows rule scale script...
...rspring tabs and grouping tab tabbox tabpanel tabpanels tabs controls --- text and images label caption image lists --- trees --- layout --- templates --- scripting --- helper elements other xul lists dialog overlay page window wizard wizardpage preference preferences prefpane prefwindow browser tabbrowser editor iframe titlebar resizer statusbar statusbarpanel dialogheader notification notificationbox menubar menu menuitem menuseparator menupopup panel tooltip popupset toolbar toolbarbutton toolbargrippy toolbaritem toolbarpalette toolbarseparator toolbarset toolbarspacer toolbarspring toolbox tabbox tabs tab tabpanels tabpanel groupbox caption separator spacer button checkbo...

browser - Archive of obsolete content
« xul reference home [ examples | attributes | properties | methods | related ] a xul <browser> element represents a frame which is expected to contain a view of a web document.
... type: one of the values below.

Opening a Link in the Default Browser - Archive of obsolete content
.warn-external.ftp", false); you can also check whether an external handler for a scheme exists.
...dler for a scheme exists.

-ms-flow-into - Archive of obsolete content
the -ms-flow-into css property is a microsoft extension that gets or sets a value identifying an iframe container in the document that serves as the region's data source.
... the -ms-flow-into css property is a microsoft extension that gets or sets a value identifying an iframe container in the document that serves as the region's data source.

Index - MDN Web Docs Glossary: Definitions of Web-related terms
er is a program that retrieves and displays pages from the web, and lets users access further pages through hyperlinks.
...7 caret cursor, glossary, input, caret, insertion point, text cursor, text entry, text input, text insertion point a caret (sometimes called a "text cursor") is an indicator displayed on the screen to indicate where text input will be inserted.

Third-party APIs - Learn web development
irst page, we don't need to load the same results again).
...ote: you can find our finished nytimes api example code on github (also see it running live here).

Website security - Learn web development
r.
...eath.

GCIntegration - SpiderMonkey Redirect 1
wrapper map.
...ed during gc.

nsIAccessibilityService
cessible createrootaccessible(in nsipresshell ashell, in nsidocument adocument); nsiaccessible createhtml4buttonaccessible(in nsisupports aframe); nsiaccessible createhypertextaccessible(in nsisupports aframe); nsiaccessible createhtmlbraccessible(in nsisupports aframe); nsiaccessible createhtmlbuttonaccessible(in nsisupports aframe); nsiaccessible createhtmlaccessiblebymarkup(in nsiframe aframe, in nsiweakreference aweakshell, in nsidomnode adomnode); nsiaccessible createhtmlliaccessible(in nsisupports aframe, in nsisupports abulletframe, in astring abullettext); nsiaccessible createhtmlcheckboxaccessible(in nsisupports aframe); nsiaccessible createhtmlcomboboxaccessible(in nsidomnode anode, in nsiweakreference apresshell); nsiaccessible createhtmlgenericaccessible(in...
...; nsiaccessible createhtmltableheadaccessible(in nsidomnode adomnode); nsiaccessible createhtmltextaccessible(in nsisupports aframe); nsiaccessible createhtmltextfieldaccessible(in nsisupports aframe); nsiaccessible createhtmlcaptionaccessible(in nsisupports aframe); nsiaccessible getaccessible(in nsidomnode anode, in nsipresshell apresshell, in nsiweakreference aweakshell, inout nsiframe framehint, out boolean aishidden); nsiaccessible addnativerootaccessible(in voidptr aatkaccessible); void removenativerootaccessible(in nsiaccessible arootaccessible); void invalidatesubtreefor(in nsipresshell apresshell, in nsicontent achangedcontent, in pruint32 aevent); methods removenativerootaccessible() void removenativerootaccessible( in nsiaccessible arootaccessible ...

nsIAccessibleRole
reen contents of containers advertising this role.
...lication window.

nsIContentView
content/base/public/nsiframeloader.idlscriptable represents a scrollable content view whose contents are actually drawn by a separate process; this is part of the electrolysis multi-process support framework.
...crollable content view whose contents are actually drawn by a separate process; this is part of the electrolysis multi-process support framework.

nsIDOMMozNetworkStatsManager
to filter a network statistics request made when calling getsamples().
... string used to filter network stats by app.

nsISelectionPrivate
cko 35 (firefox 35 / thunderbird 35 / seamonkey 2.32) warning: the content of this article may be out of date.
...selectionlistener() void addselectionlistener( in nsiselectionlistener newlistener ); parameters newlistener endbatchchanges() will resume user interface updates after a previous call to startbatchchanges().

nsIWebBrowserPersist
value description persist_flags_none 0 no special persistence behavior.
... persist_flags_none 0 no special persistence behavior.

nsIWindowWatcher
he parent window, if any.
... the name doesn't exist, then a new window is opened and the specified resource is loaded into its browsing context.">window.open.

XPCOM Interface Reference
inknsifactorynsifavicondatacallbacknsifaviconservicensifeednsifeedcontainernsifeedelementbasensifeedentrynsifeedgeneratornsifeedpersonnsifeedprocessornsifeedprogresslistenernsifeedresultnsifeedresultlistenernsifeedtextconstructnsifilensifileinputstreamnsifileoutputstreamnsifilepickernsifileprotocolhandlernsifilespecnsifilestreamsnsifileurlnsifileutilitiesnsifileviewnsifocusmanagernsiformhistory2nsiframeloadernsiframeloaderownernsiframemessagelistenernsiframemessagemanagernsiframescriptloadernsigsettingscollectionnsigsettingsservicensigeolocationprovidernsigeolocationupdatensiglobalhistorynsiglobalhistory2nsiglobalhistory3nsihtmleditornsihttpheaderlistenernsihapticfeedbacknsihttpactivitydistributornsihttpactivityobservernsihttpchannelnsihttpchannelinternalnsihttpheadervisitornsihttpservernsihttpu...
...amemessagelistenernsiframemessagemanagernsiframescriptloadernsigsettingscollectionnsigsettingsservicensigeolocationprovidernsigeolocationupdatensiglobalhistorynsiglobalhistory2nsiglobalhistory3nsihtmleditornsihttpheaderlistenernsihapticfeedbacknsihttpactivitydistributornsihttpactivityobservernsihttpchannelnsihttpchannelinternalnsihttpheadervisitornsihttpservernsihttpupgradelistenernsiidnservicensiiframeboxobjectnsiiniparsernsiiniparserfactorynsiiniparserwriternsiioservicensiidleservicensiinprocesscontentframemessagemanagernsiinputstreamnsiinputstreamcallbacknsiinstalllocationnsiinterfacerequestornsijscidnsijsidnsijsiidnsijsonnsijetpacknsijetpackservicensijumplistbuildernsijumplistitemnsilivemarkservicensiloadgroupnsilocalfilensilocalfilemacnsilocalensilocaleservicensilogininfonsiloginmanagernsil...

Blocking By Domain - Plugins
as specified by the html standard.
...-party plugin block list sites on this list may not use plugins when they are loaded into a third-party iframe in another site.

Browser Toolbox - Firefox Developer Tools
a specific add-on that is restartless or sdk-based then try the add-on debugger.) console style editor performance network monitor page inspector accessibility inspector you can debug chrome: and about: pages using the normal debugger, just as if they were ordinary content pages.
...ctor accessibility inspector you can debug chrome: and about: pages using the normal debugger, just as if they were ordinary content pages.

Settings - Firefox Developer Tools
the settings pane looks something like this: categories default firefox developer tools this group of checkboxes determines which tools are enabled in the toolbox.
...w tools are often included in firefox but not enabled by default.

Console messages - Firefox Developer Tools
lows user login credentials to be stolen.
...rved over https, not http.

BroadcastChannel: message event - Web APIs
the message event is fired on a broadcastchannel object when a message arrives on that channel.
...e message event is fired on a broadcastchannel object when a message arrives on that channel.

CanvasRenderingContext2D.drawWindow() - Web APIs
fore the window is rendered into it.
...255,255,0)" as the color, the contents would be drawn with a transparent background (which would be slower).

DOMImplementation.createHTMLDocument() - Web APIs
the domimplementation.createhtmldocument() method creates a new html document.
...n.createhtmldocument(title) parameters title optional (except in ie) a domstring containing the title to give the new html document.

Document.cookie - Web APIs
okie "reader" has "1" for value') } //es2016 if (document.cookie.split(';').some((item) => item.includes('reader=1'))) { console.log('the cookie "reader" has "1" for value') } security it is important to note that the path attribute does not protect against unauthorized reading of the cookie from a different path.
...e.split(';').some((item) => item.includes('reader=1'))) { console.log('the cookie "reader" has "1" for value') } security it is important to note that the path attribute does not protect against unauthorized reading of the cookie from a different path.

Document.designMode - Web APIs
lows this standard.
...r versions of chrome and ie default to "inherit".

Document.querySelectorAll() - Web APIs
= document.queryselectorall("div.note, div.alert"); here, we get a list of <p> elements whose immediate parent element is a <div> with the class highlighted and which are located inside a container whose id is test.
...ment is a <div> with the class highlighted and which are located inside a container whose id is test.

Element.querySelectorAll() - Web APIs
yselectorall("div.note, div.alert"); here, we get a list of the document's <p> elements whose immediate parent element is a div with the class "highlighted" and which are located inside a container whose id is "test".
...nt is a div with the class "highlighted" and which are located inside a container whose id is "test".

Fullscreen API - Web APIs
ed preference (needs to be set to true).
...enabled preference (needs to be set to true).

Intersection Observer API - Web APIs
ining block's clipping (if any) is applied to the intersection rectangle.
...ow property.

Using Navigation Timing - Web APIs
which the navigation whose timing was recorded began (performance.timing.navigationstart), and outputs that information to the screen by inserting it into an element.
...ance.navigation.redirectcount.

ParentNode.querySelectorAll() - Web APIs
= document.queryselectorall("div.note, div.alert"); here, we get a list of <p> elements whose immediate parent element is a <div> with the class highlighted and which are located inside a container whose id is test.
...ment is a <div> with the class highlighted and which are located inside a container whose id is test.

Request.context - Web APIs
the deprecated context read-only property of the request interface contains the context of the request (e.g., audio, image, iframe).
...only property of the request interface contains the context of the request (e.g., audio, image, iframe).

Screen Capture API - Web APIs
isplaycapturesurfacetype an enumerated string type which is used to identify the kind of display surface to capture.
... used for the displaysurface property in the constraints and settings objects, and has the possible values application, browser, monitor, and window.

Selection - Web APIs
ere you released the mouse button.
...tion's anchor within the anchornode.

TaskAttributionTiming.containerType - Web APIs
the containertype readonly property of the taskattributiontiming interface returns the type of frame container, one of iframe, embed, or object.
... the containertype readonly property of the taskattributiontiming interface returns the type of frame container, one of iframe, embed, or object.

TaskAttributionTiming - Web APIs
the taskattributiontiming interface of the long tasks api returns information about the work involved in a long task and its associate frame context.
...="#d4dde4" stroke-width="2px" /><text x="306" y="30" font-size="12px" font-family="consolas,monaco,andale mono,monospace" fill="#4d4e53" text-anchor="middle" alignment-baseline="middle">taskattributiontiming</text></a></svg></div> a:hover text { fill: #0095dd; pointer-events: all;} properties taskattributiontiming.containertype read only returns the type of frame container, one of iframe, embed, or object.

Web Workers API - Web APIs
those workers are hosted within the same origin as the parent page.
...properties and methods common to all kind of workers (i.e.

Window.frameElement - Web APIs
the window.frameelement property returns the element (such as <iframe> or <object>) in which the window is embedded.
... the window.frameelement property returns the element (such as <iframe> or <object>) in which the window is embedded.

Window.frames - Web APIs
listing the direct sub-frames of the current window.
...jects.

Window.open() - Web APIs
the window interface's open() method loads the specified resource into the new or existing browsing context (window, <iframe> or tab) with the specified name.
...dowfeatures]); parameters url a domstring indicating the url of the resource to be loaded.

Window: resize event - Web APIs
ndlers registered on the window object will receive resize events.
...l receive resize events.

Replaced elements - CSS: Cascading Style Sheets
ent whose representation is outside the scope of css; they're external objects whose representation is independent of the css formatting model.
..., may have stylesheets of their own, but they don't inherit the styles of the parent document.

HTML5 - Developer guides
a look at the constraint validation api, several new attributes, new values for the <input> attribute type and the new <output> element.
... new semantic elements beside sections, media and forms elements, there are numerous new elements, like <mark>, <figure>, <figcaption>, <data>, <time>, <output>, <progress>, or <meter> and <main>, increasing the number of valid html5 elements.

<frame> - HTML: Hypertext Markup Language
<frame> is an html element which defines a particular area in which another html document can be displayed.
...ecessary and "no" for forcing no scrollbar even when it is necessary.

HTML elements reference - HTML: Hypertext Markup Language
regular multimedia content, html can include a variety of other content, even if it's not always easy to interact with.
...de a variety of other content, even if it's not always easy to interact with.

Global attributes - HTML: Hypertext Markup Language
are no global attributes defined.
... <html>, <meta>, <param>, <script>, <style>, and <title>.

CSP: sandbox - HTTP
the http content-security-policy (csp) sandbox directive enables a sandbox for the requested resource similar to the <iframe> sandbox attribute.
... keyword is not used, that functionality will silently fail.

Large-Allocation - HTTP
r example.
...eader was ignored due to the presence of windows which have a reference to this browsing context through the frame hierarchy or window.opener.

HTTP headers - HTTP
ng and/or enforcement of certificate transparency requirements, which prevents the use of misissued certificates for that site from going unnoticed.
...ns http header indicates that the browser (internet explorer) should not display the option to "open" a file that has been downloaded from an application, to prevent phishing attacks as the file otherwise would gain access to execute in the context of the application.

Mapping the width and height attributes of media container elements to their aspect-ratio - Web media technologies
browsers are working on adding a new mechanism for sizing images before the actual image is loaded.
...s to replaced elements, and other related elements that accept width and height attributes.

target - SVG: Scalable Vector Graphics
the target attribute should be used when there are multiple possible targets for the ending resource, such as when the parent document is embedded within an html or xhtml document, or is viewed with a tabbed browser.
... document is to be opened when the link is activated: only one element is using this attribute: <a> html, body, svg { height: 100%; } text { font: 20px arial, helvetica, sans-serif; fill: blue; text-decoration: underline; } <svg viewbox="0 0 300 120" xmlns="http://www.w3.org/2000/svg"> <a href="https://developer.mozilla.org" target="_self"> <text x="0" y="20">open link within iframe</text> </a> <a href="https://developer.mozilla.org" target="_blank"> <text x="0" y="60">open link in new tab or window</text> </a> <a href="https://developer.mozilla.org" target="_top"> <text x="0" y="100">open link in this tab or window</text> </a> </svg> usage notes value _self | _parent | _top | _blank | <xml-name> default value _self ani...

Same-origin policy - Web security
requires a correct content-type header.
...ce cannot be interpreted as one of the embeddable formats listed above.

Content Scripts - Archive of obsolete content
{' + ' var event = new customevent("myaddonid-contextmenu-clicked",' + ' {detail:node.href});' + ' window.dispatchevent(event);' + '});' }); cross-domain content scripts by default, content scripts don't have any cross-domain privileges.

panel - Archive of obsolete content
de: handlehide }); function handlechange(state) { if (state.checked) { mypanel.show({ position: button }); } } function handlehide() { button.state('window', {checked: false}); } updating panel content you can update the panel's content by: sending a message to a content script that updates the dom in the same document.

ui - Archive of obsolete content
the user clicks the button, and the icon gets a "pressed" look when the button is checked.

frame/hidden-frame - Archive of obsolete content
experimental creates firefox frames (i.e.

lang/type - Archive of obsolete content
eck.

package.json - Archive of obsolete content
icating whether or not the add-on supports private browsing.

Modifying Web Pages Based on URL - Archive of obsolete content
= require("sdk/page-mod").pagemod({ include: "*", contentstylefile: "./my-style.css" }); learning more to learn more about page-mod, see its api reference page.

HTML in XUL for rich tooltips - Archive of obsolete content
on, which will take the tooltiphtml attribute of the element that is being hovered over and safely convert that into dom and inject it into the tooltip that will soon be shown.

On page load - Archive of obsolete content
unction(aevent) { var doc = aevent.originaltarget; // doc is document that triggered the event var win = doc.defaultview; // win is the window for the doc // test desired conditions and do something // if (doc.nodename != "#document") return; // only documents // if (win != win.top) return; //only top window.

Code snippets - Archive of obsolete content
vg embedding svg in html and xul using svg to enhance html or xul based markup xul widgets html in xul for rich tooltips dynamically embed html into a xul element to attain markup in a tooltip label and description special uses and line breaking examples tree setup and manipulation of trees using xul and js scrollbar changing style of scrollbars.

Intercepting Page Loads - Archive of obsolete content
{ // frame within a tab was loaded.

Security best practices in extensions - Archive of obsolete content
old both chrome (privileged) content and web (nonprivileged) content, the latter being in the form of web pages.

Document Loading - From Load Start to Finding a Handler - Archive of obsolete content
tream listener to pump the data into when necko calls ondataavailable (e.g., we may find the html parser as the stream listener to give the data to).

Documentation for BiDi Mozilla - Archive of obsolete content
ing, including: character classification symmetric swapping reordering shaping numeric translation conversion to/from presentation forms nsbidipresutils layout/base/nsbidipresutils.cpp utilities for the layout engine including: resolve frames by bidi level split framesreorder frames format bidi text support for deletion and insertion of frames by editor nsbiditextframe layout/generic/nsbidiframes.cpp subclass of nsframe with additional method setoffsets, to adjust mcontentoffset and mcontentlength during bidi processing nsdirectionalframe layout/generic/nsbidiframes.cpp subclass of nsframethis is a special frame which represents a bidi control.

statusBar - Archive of obsolete content
the class statusbar contains functions to add and control the statusbar of the browser.

Safely loading URIs - Archive of obsolete content
de is in.

Elements - Archive of obsolete content
have the layout and display characteristics of an existing element.

showcaret - Archive of obsolete content
« xul reference home showcaret type: boolean whether or not to cause a typing caret to be visible in the content area.

src - Archive of obsolete content
« xul reference home src type: uri the uri of the content to appear in the element.

Dynamically modifying XUL-based user interface - Archive of obsolete content
t and a tree you can think of a document as an in-memory representation of valid html or well-formed xml such as xhtml or xul.

Adding Methods to XBL-defined Elements - Archive of obsolete content
« previousnext » next, we'll find out how to add custom methods to xbl-defined elements.

Trees - Archive of obsolete content
ing additional rows.

elements - Archive of obsolete content
a action arrowscrollbox b bbox binding bindings box broadcaster broadcasterset button browser c checkbox caption colorpicker column columns commandset command conditions content d deck description dialog dialogheader e editor grid grippy groupbox h hbox i iframe image k key keyset l label listbox listcell listcol listcols listhead listheader listitem m member menu menubar menuitem menulist menupopup menuseparator o observes overlay p page popup popupset preference preferences prefpane prefwindow progressmeter r radio radiogroup resizer richlistbox richlistitem resizer row rows rule s script scrollbar scrollbox scrollcorner ...

page - Archive of obsolete content
« xul reference home [ examples | attributes | properties | methods | related ] similar to a window, except it should be used for xul files that are to be loaded into an iframe.

panel - Archive of obsolete content
w.

toolbar - Archive of obsolete content
x element.

reftest opportunities files - Archive of obsolete content
ml parser/htmlparser/tests/html/26347.html parser/htmlparser/tests/html/24462.html parser/htmlparser/tests/html/24184.html parser/htmlparser/tests/html/22596.html parser/htmlparser/tests/html/22480.html parser/htmlparser/tests/html/22263.html parser/htmlparser/tests/html/20087.html parser/htmlparser/tests/html/19116.html parser/htmlparser/tests/html/187790.html parser/htmlparser/tests/html/184029_iframe.html parser/htmlparser/tests/html/184029.html parser/htmlparser/tests/html/183711.html parser/htmlparser/tests/html/18308.html parser/htmlparser/tests/html/17003.html parser/htmlparser/tests/html/15204.html parser/htmlparser/tests/html/149877.html parser/htmlparser/tests/html/142965_1.html parser/htmlparser/tests/html/142965.html parser/htmlparser/tests/html/124788.html parser/htmlparser/tests/ht...

Extentsions FAQ - Archive of obsolete content
http://kb.mozillazine.org/dev_:_usin...lt_preferences btw: resetting prefences to default will clear them in case no default prefence is (still) available.

2006-09-29 - Archive of obsolete content
signed (i.e.

CSS - Archive of obsolete content
rosoft extension that sets or retrieves the filter or collection of filters applied to an object.-ms-flow-fromthe -ms-flow-from css property is a microsoft extension that gets or sets a value identifying a region container in the document that accepts the content flow from the data source.-ms-flow-intothe -ms-flow-into css property is a microsoft extension that gets or sets a value identifying an iframe container in the document that serves as the region's data source.-ms-high-contrast-adjustthe -ms-high-contrast-adjust css property is a microsoft extension that gets or sets a value indicating whether to override any css properties that would have been set in high contrast mode.-ms-hyphenate-limit-charsthe -ms-hyphenate-limit-chars css property is a microsoft extension that specifies one to thre...

Browsing context - MDN Web Docs Glossary: Definitions of Web-related terms
a browsing context is the environment a browser displays a document.

First contentful paint - MDN Web Docs Glossary: Definitions of Web-related terms
when the browser renders the first bit of content from the dom, providing the first feedback to the user that the page is actually loading.

Navigation directive - MDN Web Docs Glossary: Definitions of Web-related terms
rity-policy header and govern to which location a user can navigate to or submit a form to, for example.

document environment - MDN Web Docs Glossary: Definitions of Web-related terms
when the javascript global environment is a window or an iframe, it is called a document environment.

Images, media, and form elements - Learn web development
d doesn't stretch to fill it.

Sizing items in CSS - Learn web development
a letter a, which has been given a font-size of 10vh.

CSS values and units - Learn web development
set in pixels.

Styling links - Learn web development
but only if they have an href attribute with a value that contains "http" somewhere inside it.

What is a URL? - Learn web development
discussed later on — makes extensive use of urls: to create links to other documents with the <a> element; to link a document with its related resources through various elements such as <link> or <script>; to display media such as images (with the <img> element), videos (with the <video> element), sounds and music (with the <audio> element), etc.; to display other html documents with the <iframe> element.

Images in HTML - Learn web development
e retained this information before you move on — see test your skills: html images.

Mozilla splash page - Learn web development
essed or need help with, in an online editor.

Test your skills: Multimedia and embedding - Learn web development
this aim of this skill test is to assess whether you've understood our video and audio content and from object to iframe — other embedding technologies articles.

Video and audio content - Learn web development
multimedia and embedding.

Test your skills: JSON - Learn web development
the example won't work locally, or in an environment like codepen or jsfiddle, because of something called cross-origin security.

CSS performance optimization - Learn web development
hat do not trigger a reflow (and therefore also a repaint) very well.

HTML performance features - Learn web development
ogies.

Learning area release notes - Learn web development
understood what is going on.

Client-Server Overview - Learn web development
e=edge"> <script>(function(d) { d.classname = d.classname.replace(/\bno-js/, ''); })(document.documentelement);</script> ...

ZoomText
that you're testing and let me know what bugs you're finding.

Limitations of chrome scripts
e jsm in the chrome process, and have frame scripts store and access the jsm's state by sending messages to the chrome process using the message manager.

Message manager
quires multiprocess firefox: everything described here will work with single-process firefox, so the same code will work on both variants.

Chrome-only API reference
this page lists apis that only run in gecko chrome code (and sometimes in other privileged circumstances).

HTML parser threading
of the parser, so for refcounting purposes, the parser owns each nsicontent object it creates by one reference no matter how many copies of the content handle for the node exist inside the parser.

Introduction to Layout in Mozilla
rough the frame hierarchy, areas are invalidated via nsiviewmanager::updateview unless immediate, invalid areas are coalesced and processed asynchronously via os expose event native expose event dispatched to widget; widget delegates to the view manager view manager paints views back-to-front, invoking presshell’s paint method presshell::paint walks from the view to the frame; invokes nsiframe::paint for each layer incrementalism single-threaded simple (no locking) can’t leave event queue unattended content construction unwinds “at will” parser and content sink do some buffering content sink has “notification limits” efficiency vs.

Services.jsm
event listener service etld nsieffectivetldservice effectivetld service focus nsifocusmanager focus manager io nsiioservice nsiioservice2 i/o service locale nsilocaleservice locale service logins nsiloginmanager password manager service metro nsiwinmetroutils 2 mm nsimessagebroadcaster nsiframescriptloader global frame message manager3 obs nsiobserverservice observer service perms nsipermissionmanager permission manager service ppmm nsimessagebroadcaster nsiprocessscriptloader global parent process message manager3 prefs nsiprefbranch nsiprefbranch2 nsiprefservice preferences service prompt nsiprompts...

source-editor.jsm
enever you save the text; the editor will update it to true when the content is changed.

Mozilla Style System
the first of these rules is no longer important (in fact, the separation of the specified values into nscss* structs is no longer important).

Hacking Tips
can call the dumpheap before firefox function to dump out all gc things (reachable and unreachable) that are present in the heap.

inIDOMUtils
rder of weight.

mozIThirdPartyUtil
i of the principal associated with awindow.

nsIAccessibleProvider
see constants for details.

nsIContainerBoxObject
layout/xul/base/public/nsicontainerboxobject.idlscriptable please add a summary to this article.

nsIContentFrameMessageManager
idl file: mozilla-central/source/dom/base/nsimessagemanager.idl inherits from: nsisyncmessagesender this interface provides the environment for scripts that are loaded into content frames using the nsiframescriptloader interface.

nsIContentViewManager
content/base/public/nsiframeloader.idlscriptable manages the content views contained in a browser 1.0 66 introduced gecko 2.0 inherits from: nsisupports last changed in gecko 2.0 (firefox 4 / thunderbird 3.3 / seamonkey 2.1) to obtain a reference to the view manager for a document, you can queryinterface() the nsiframeloader object to nsicontentviewmanager.

nsIDOMWindow
dom/interfaces/base/nsidomwindow.idlscriptable this interface is the primary interface for a window object.

nsIDOMWindow2
dom/interfaces/base/nsidomwindow2.idlscriptable this interface is the primary interface for a dom window object.

nsIDOMWindowInternal
void print() void moveto(in long xpos, in long ypos) void moveby(in long xdif, in long ydif) void resizeto(in long width, in long height) void resizeby(in long widthdif, in long heightdif) void scroll(in long xscroll, in long yscroll) nsidomwindow window interface's open() method loads the specified resource into the browsing context (window, <iframe> or tab) with the specified name.

nsIDOMWindowUtils
om the compositor process, return the corresponding dom element object.

nsIDOMXULElement
tring name, in domstring value); attributes attribute type description align domstring gets/sets the value of the element's align attribute.

nsIDocShell
w javascript execution.

nsIDocumentLoader
uriloader/base/nsidocumentloader.idlscriptable this interface responsible for tracking groups of loads that belong together (images, external scripts, and so on.) and subdocuments (iframe, frame, and so on.).

nsIInProcessContentFrameMessageManager
content/base/public/nsiframemessagemanager.idlnot scriptable ???

nsIMessageWakeupService
t (either "getservice" or "createinstance").

nsINavHistoryQueryOptions
note that this has no effect on folder links, which are place: uris returned by nsinavbookmarkservice's getfolderuri method.

nsINavHistoryService
vel window.

nsIParserUtils
the context node for the fragment parsing algorithm.

nsISHEntry
lean hasdetachededitor(); parameters none.

nsIWebBrowserFind
embedding/components/find/public/nsiwebbrowserfind.idlscriptable searches for text in a web browser.

nsIWebBrowserFindInFrames
embedding/components/find/public/nsiwebbrowserfind.idlscriptable controls how find behaves when multiple frames or iframes are present.

nsIWebProgressListener
nt request.

XPCOM Interface Reference by grouping
tree nsitreeboxobject nsitreecolumn nsitreecolumns nsitreecontentview nsitreeselection nsitreeview xform nsixformsmodelelement nsixformsnsinstanceelement nsixformsnsmodelelement xmlhttprequest nsixmlhttprequesteventtarget favicon nsifavicondatacallback nsifaviconservice frame nsichromeframemessagemanager nsiframeloader nsiframeloaderowner nsiframemessagelistener nsiframemessagemanager interface nsijsxmlhttprequest jetpack nsijetpack nsijetpackservice offlinestorage nsiapplicationcache nsiapplicationcachechannel nsiapplicationcachecontainer nsiapplicationcachenamespace nsiapplicationcacheservice places nsiannotationobserver ...

DOM Property Viewer - Firefox Developer Tools
the dom property viewer is new in firefox 48.

Debugger.Object - Firefox Developer Tools
rovides "host objects" to expose application-specific functionality to scripts.

Examine and edit HTML - Firefox Developer Tools
as the last child of the currently selected element.

Tips - Firefox Developer Tools
ecting nodes in the command line: $0 references the currently selected node.

AuthenticatorAssertionResponse.signature - Web APIs
server for control, as part of the response.

AuthenticatorAssertionResponse.userHandle - Web APIs
g credentials and other data.

AuthenticatorAssertionResponse - Web APIs
authenticatorassertionresponse interface of the web authentication api is returned by credentialscontainer.get() when a publickeycredential is passed, and provides proof to a service that it has a key pair and that the authentication request is valid and approved.

AuthenticatorAttestationResponse.getTransports() - Web APIs
ts which may be used by the authenticator.

AuthenticatorAttestationResponse - Web APIs
ed by credentialscontainer.create() when a publickeycredential is passed, and provides a cryptographic root of trust for the new key pair that has been generated.

BroadcastChannel - Web APIs
the broadcastchannel interface represents a named channel that any browsing context of a given origin can subscribe to.

Broadcast Channel API - Web APIs
the broadcast channel api allows basic communication between browsing contexts (that is, windows, tabs, frames, or iframes) and workers on the same origin.

Managing screen orientation - Web APIs
*/ @media screen and (orientation: landscape) { #toolbar { position: fixed; width: 2.65em; height: 100%; } p { margin-left: 2em; } li + li { margin-top: .5em; } } and here's the result portrait landscape note: the orientation media query actually applies based on the orientation of the browser window (or iframe) not the orientation of the device.

Credential Management API - Web APIs
address these problems, the credential management api provides ways for a website to store and retrieve different types of credentials.

CredentialsContainer.create() - Web APIs
the create() method of the credentialscontainer interface returns a promise that resolves with a new credential instance based on the provided options, or null if no credential object can be created.

CredentialsContainer.get() - Web APIs
ay display a dialog to the user and ask the user to make the selection.

CredentialsContainer.store() - Web APIs
the store() method of the credentialscontainer stores a set of credentials for the user inside a credential instance, returning this in a promise.

DOMTokenList - Web APIs
the domtokenlist interface represents a set of space-separated tokens.

Detecting device orientation - Web APIs
[0,180] x += 90; y += 90; // 10 is half the size of the ball // it center the positioning point to the center of the ball ball.style.top = (maxy*y/180 - 10) + "px"; ball.style.left = (maxx*x/180 - 10) + "px"; } window.addeventlistener('deviceorientation', handleorientation); click here to open this example in a new window; because deviceorientation doesn't work in a cross-origin <iframe> in all browsers.

Document.domain - Web APIs
y the same origin policy.

Document.featurePolicy - Web APIs
the featurepolicy read-only property of the document interface returns the featurepolicy interface which provides a simple api for inspecting the feature policies applied to a specific document.

Document.fullscreenEnabled - Web APIs
the read-only fullscreenenabled property on the document interface indicates whether or not full-screen mode is available.

Document: keydown event - Web APIs
something like this (229 is a special value set for a keycode relating to an event that has been processed by an ime): eventtarget.addeventlistener("keydown", event => { if (event.iscomposing || event.keycode === 229) { return; } // do something }); examples addeventlistener keydown example this example logs the keyboardevent.code value whenever you press down a key.

Document: keypress event - Web APIs
ut or keydown instead.

Document: keyup event - Web APIs
ion, do something like this (229 is a special value set for a keycode relating to an event that has been processed by an ime): eventtarget.addeventlistener("keyup", event => { if (event.iscomposing || event.keycode === 229) { return; } // do something }); examples this example logs the keyboardevent.code value whenever you release a key.

Document.referrer - Web APIs
ocument.referrer property returns the uri of the page that linked to this page.

Document.write() - Web APIs
y document served with an application/xhtml+xml mime type.

Element.msZoomTo() - Web APIs
element is not zoomable.

Element.name - Web APIs
name gets or sets the name property of an element in the dom.

Element.requestFullscreen() - Web APIs
on or other access control features.

Event.timeStamp - Web APIs
ar event.

FetchEvent.respondWith() - Web APIs
fetch() is intercepted, then you can observe the final url on the result's response.url.

Introduction to the File and Directory Entries API - Web APIs
ave a relationship to the local file system outside the browser.

Guide to the Fullscreen API - Web APIs
ment again receives a fullscreenchange event.

HTMLImageElement.x - Web APIs
ement, or by being located within a column described by either <col> or <colgroup>.

HTMLImageElement.y - Web APIs
element, or by being located within a column described by either <col> or <colgroup>.

In depth: Microtasks and the JavaScript runtime environment - Web APIs
he word "window" actually means "browser-level container that web content runs within," including an actual window, a tab, or a frame.

The HTML DOM API - Web APIs
t htmlareaelement htmlaudioelement htmlbrelement htmlbaseelement htmlbodyelement htmlbuttonelement htmlcanvaselement htmldlistelement htmldataelement htmldatalistelement htmldetailselement htmldialogelement htmldirectoryelement htmldivelement htmlelement htmlembedelement htmlfieldsetelement htmlformelement htmlhrelement htmlheadelement htmlheadingelement htmlhtmlelement htmliframeelement htmlimageelement htmlinputelement htmllielement htmllabelelement htmllegendelement htmllinkelement htmlmapelement htmlmediaelement htmlmenuelement htmlmetaelement htmlmeterelement htmlmodelement htmlolistelement htmlobjectelement htmloptgroupelement htmloptionelement htmloutputelement htmlparagraphelement htmlparamelement htmlpictureelement htmlpreelement htmlprogress...

Basic concepts - Web APIs
ng data with a different origin.

Long Tasks API - Web APIs
any uninterrupted period where the main ui thread is busy for 50 ms or longer.

MessagePort: message event - Web APIs
the message event is fired on a messageport object when a message arrives on that channel.

MessagePort: messageerror event - Web APIs
the messageerror event is fired on a messageport object when it receives a message that can't be deserialized.

MouseEvent.pageX - Web APIs
s.

Navigator.cookieEnabled - Web APIs
navigator.cookieenabled returns a boolean value that indicates whether cookies are enabled or not.

Notification.requestPermission() - Web APIs
cation if (permission === "granted") { var notification = new notification("hi there!"); } }); } // at last, if the user has denied notifications, and you // want to be respectful there is no need to bother them any more.

Notification - Web APIs
cation if (permission === "granted") { var notification = new notification("hi there!"); } }); } // at last, if the user has denied notifications, and you // want to be respectful there is no need to bother them any more.

Using the Notifications API - Web APIs
disallow notification permission requests not triggered in response to a user gesture.

PasswordCredential - Web APIs
the interface of the credential management api provides information about a username/password pair.

Payment Request API - Web APIs
yment, a web page creates a paymentrequest object in response to a user action that initiates a payment, such as clicking a "purchase" button.

PublicKeyCredential.getClientExtensionResults() - Web APIs
ationoptions.extensions and publickeycredentialrequestoptions.extensions.

PublicKeyCredential.id - Web APIs
the id read-only property of the publickeycredential interface is a domstring, inherited from credential, which represents the identifier of the current publickeycredential instance.

PublicKeyCredential.isUserVerifyingPlatformAuthenticatorAvailable() - Web APIs
enticator that is part of the client device (it is generally not removable) and that involves an action from the user in order to identify them.

PublicKeyCredential.rawId - Web APIs
the rawid read-only property of the publickeycredential interface is an arraybuffer object containing the identifier of the credentials.

PublicKeyCredential.response - Web APIs
h: this response the extensions of the client (given by publickeycredential.getclientextensionresults()) to validate the demand.

PublicKeyCredential - Web APIs
gging in to a service using an un-phishable and data-breach resistant asymmetric key pair instead of a password.

Request.mode - Web APIs
ther than by the request.request constructor, no-cors is typically used as the mode; for example, for embedded resources where the request is initiated from markup, unless the crossorigin attribute is present, the request is in most cases made using the no-cors mode — that is, for the <link> or <script> elements (except when used with modules), or <img>, <audio>, <video>, <object>, <embed>, or <iframe> elements.

Request - Web APIs
e likely to encounter a request object being returned as the result of another api operation, such as a service worker fetchevent.request.

Sensor APIs - Web APIs
an alternative approach is to attempt to use the error and listen for the securityerror.

SharedWorker - Web APIs
the sharedworker interface represents a specific kind of worker that can be accessed from several browsing contexts, such as several windows, iframes or even workers.

TaskAttributionTiming.containerId - Web APIs
the containerid readonly property of the taskattributiontiming interface returns the container's id attribute.

TaskAttributionTiming.containerName - Web APIs
the containername readonly property of the taskattributiontiming interface returns the container's name attribute.

TaskAttributionTiming.containerSrc - Web APIs
the containersrc readonly property of the taskattributiontiming interface returns the container's src attribute.

Web Storage API - Web APIs
ed.

Using Web Workers - Web APIs
ore the rest of the code.

Window.close() - Web APIs
current window, or the window on which it was called.

Window.content - Web APIs
ge incompatibilities between implementations and the behavior may change in the future.

Window.getSelection() - Web APIs
the window.getselection() method returns a selection object representing the range of text selected by the user or the current position of the caret.

Window.length - Web APIs
returns the number of frames (either <frame> or <iframe> elements) in the window.

Window: message event - Web APIs
the message event is fired on a window object when the window receives a message, for example from a call to window.postmessage() from another browsing context.

Window.parent - Web APIs
the window.parent property is a reference to the parent of the current window or subframe.

Window.requestAnimationFrame() - Web APIs
ready to update your animation onscreen.

WindowEventHandlers.onlanguagechange - Web APIs
the onlanguagechange property of the windoweventhandlers mixin is the eventhandler for processing languagechange events.

Web APIs
lcanvaselement htmlcollection htmlcontentelement htmldlistelement htmldataelement htmldatalistelement htmldetailselement htmldialogelement htmldivelement htmldocument htmlelement htmlembedelement htmlfieldsetelement htmlfontelement htmlformcontrolscollection htmlformelement htmlframesetelement htmlhrelement htmlheadelement htmlheadingelement htmlhtmlelement htmlhyperlinkelementutils htmliframeelement htmlimageelement htmlinputelement htmlisindexelement htmlkeygenelement htmllielement htmllabelelement htmllegendelement htmllinkelement htmlmapelement htmlmarqueeelement htmlmediaelement htmlmenuelement htmlmenuitemelement htmlmetaelement htmlmeterelement htmlmodelement htmlolistelement htmlobjectelement htmloptgroupelement htmloptionelement htmloptionscollection htmlorforeigneleme...

ARIA Test Cases - Accessibility
ws 10 - - - - voiceover (leopard) n/a n/a - fail window-eyes - - - - nvda - n/a - - zoom (leopard) pass n/a pass pass zoomtext - - - - orca - - - - listbox and option dojo nightly build single select listbox using aria-activedescendant listbox in an iframe -- this is an important case as it's an example of how a mashup widget can be built (the widget source simply comes from another url, and is tied in using an iframe) yui "carousel" listbox -- a more advanced test case expected at behavior: (mz) screen reader should announce the label and role of the listbox when it gains focus.

ARIA: contentinfo role - Accessibility
y a page footer.

HTML To MSAA - Accessibility
e_system_ focusable n/a "open"/"close" depending on state event_object_ valuechange when selected option is changed table role_system_ table from @summary attribute n/a described_by (0x100e) points to caption element n/a n/a td, th role_system_ cell n/a n/a n/a n/a n/a n/a thead role_system_ columnheader n/a n/a n/a n/a n/a n/a abbr, acronym, blockquote, form, frame, h1-h6, iframe bstr role n/a n/a n/a n/a n/a n/a ...

Implementing a Microsoft Active Accessibility (MSAA) Server - Accessibility
ble, in a generic cross-platform manner.

aspect-ratio - CSS: Cascading Style Sheets
and height to aspect-ratio firefox has added an internal aspect-ratio property (in version 69 onwards) that applies to replaced elements and other related elements that accept width and height attributes.

resize - CSS: Cascading Style Sheets
t in the inline direction (either horizontally or vertically, depending on the writing-mode and direction value).

<a>: The Anchor element - HTML: Hypertext Markup Language
ed, the browser will send post requests with the body ping to the urls.

<button>: The Button element - HTML: Hypertext Markup Language
the button's form owner.

<form> - HTML: Hypertext Markup Language
not set (and therefore the form is validated), it can be overridden by a formnovalidate attribute on a <button>, <input type="submit">, or <input type="image"> element belonging to the form.

<frameset> - HTML: Hypertext Markup Language
the html <frameset> element is used to contain <frame> elements.

<head>: The Document Metadata (Header) element - HTML: Hypertext Markup Language
contains machine-readable information (metadata) about the document, like its title, scripts, and style sheets.

<input type="image"> - HTML: Hypertext Markup Language
ion to the server.

<input type="submit"> - HTML: Hypertext Markup Language
sion to the server.

<link>: The External Resource Link element - HTML: Hypertext Markup Language
request matching, application of correct content security policy, and setting of correct accept request header.

<noframes>: The Frame Fallback element - HTML: Hypertext Markup Language
explaining that the user's browser doesn't support frames, but ideally should be used to present an alternate form of the site that doesn't use frames but still offers the same or similar functionality.

dir - HTML: Hypertext Markup Language
html5the definition of 'dir' in that specification.

lang - HTML: Hypertext Markup Language
ml5the definition of 'lang' in that specification.

title - HTML: Hypertext Markup Language
the title global attribute contains text representing advisory information related to the element it belongs to.

Inline elements - HTML: Hypertext Markup Language
l, this can be changed using css).

Preloading content with rel="preload" - HTML: Hypertext Markup Language
ests, reusing the resource if appropriate.

CSP: block-all-mixed-content - HTTP
the http content-security-policy (csp) block-all-mixed-content directive prevents loading any assets over http when the page uses https.

CSP: object-src - HTTP
y-policy object-src directive specifies valid sources for the <object>, <embed>, and <applet> elements.

Referrer-Policy - HTTP
urls to insecure origins.

X-Frame-Options - HTTP
the x-frame-options http response header can be used to indicate whether or not a browser should be allowed to render a page in a <frame>, <iframe>, <embed> or <object>.

Concurrency model and the event loop - JavaScript
just a message'); settimeout(function cb1() { console.log('callback 2: this is a msg from call back'); }, 0); console.log('this is the end'); })(); // "this is the start" // "this is just a message" // "this is the end" // "callback 1: this is a msg from call back" // "callback 2: this is a msg from call back" several runtimes communicating together a web worker or a cross-origin iframe has its own stack, heap, and message queue.

Grammar and types - JavaScript
the global object.

globalThis - JavaScript
rk in window and non-window contexts.

begin - SVG: Scalable Vector Graphics
e x1="85" y1="25" x2="85" y2="55" stroke="grey" stroke-width=".5" /> <text x="110" y="20" text-anchor="middle">8s</text> <line x1="110" y1="25" x2="110" y2="55" stroke="grey" stroke-width=".5" /> <line x1="10" y1="30" x2="110" y2="30" stroke="grey" stroke-width=".5" /> <line x1="10" y1="55" x2="110" y2="55" stroke="grey" stroke-width=".5" /> </svg> this example is embed in an iframe.

end - SVG: Scalable Vector Graphics
e x1="85" y1="25" x2="85" y2="55" stroke="grey" stroke-width=".5" /> <text x="110" y="20" text-anchor="middle">8s</text> <line x1="110" y1="25" x2="110" y2="55" stroke="grey" stroke-width=".5" /> <line x1="10" y1="30" x2="110" y2="30" stroke="grey" stroke-width=".5" /> <line x1="10" y1="55" x2="110" y2="55" stroke="grey" stroke-width=".5" /> </svg> this example is embed in an iframe.

opacity - SVG: Scalable Vector Graphics
roup of objects, that is, the degree to which the background behind the element is overlaid.

overflow - SVG: Scalable Vector Graphics
ent when it is not the root element of a stand-alone document, the <pattern> element, and the <marker> element to be hidden by default.

systemLanguage - SVG: Scalable Vector Graphics
the systemlanguage attribute represents a list of supported language tags.

visibility - SVG: Scalable Vector Graphics
e their visibility attribute set to hidden still might receive events.

SVG documentation index - SVG: Scalable Vector Graphics
r a color component transfer function.

SVG 2 support in Mozilla - SVG: Scalable Vector Graphics
unknown elements in text render as unpositioned spans implementation status unknown offset distances of text positioned along a transformed path measured in text elements coordinate system implementation status unknown embedded content change notes <video> implementation status unknown <audio> implementation status unknown <iframe> implementation status unknown <canvas> implementation status unknown <source> implementation status unknown <track> implementation status unknown painting change notes paint-order implemented (bug 828805) will-change instead of buffered-rendering implementation status unknown context-fill and context-...

SVG as an Image - SVG: Scalable Vector Graphics
disabled.

How to fix a website with blocked mixed content - Web security
x blocks active mixed content by default.

Mixed content - Web security
ic and has no sensitive data about the user, using mixed active content still provides the attacker with the opportunity to redirect the user to other http pages and steal http cookies from those sites.

Referer header: privacy and security concerns - Web security
ways use https for your sites.

Secure contexts - Web security
is considered secure when it meets certain minimum standards of authentication and confidentiality defined in the secure contexts specification.

Types of attacks - Web security
c="https://bank.example.com/withdraw?account=bob&amount=1000000&for=mallory"> now, if you are logged into your bank account and your cookies are still valid (and there is no other validation), you will transfer money as soon as you load the html that contains this image.