Firefox developer edition wiki update#
This is another "perfect negotiation" update ( Firefox bug 1568292). The tRemoteDescription() method can now be called with no parameters.This is one of the four changes needed to implement the new "perfect negotiation" mechanism the rest will come in future Firefox updates ( Firefox bug 1551316). The RTCPeerConnection.restartIce() method has been added.Notification permission can no longer be requested from inside a cross-origin ( Firefox bug 1560741).A few more members have been moved from HTMLDocument to Document, including Document.all, Document.clear, Document.captureEvents, and Document.clearEvents ( Firefox bug 1558570, Firefox bug 1558571).We've added support DOMMatrix, DOMPoint, etc.Add a listener to the popstate event to get notification that navigation has completed Webkit bug 1563587. The back(), forward(), and go() methods are now asynchronous.The none value is now invalid in counter() / counters() - a change which makes the Level 3 spec match CSS 2.1 Webkit bug 1576821).
We have retired support for 3-valued (excluding background)( Webkit bug 1559276).The type now accepts / or a single as a value.Note that this currently doesn't include stylesheets that contain rules. Stylesheets contained in elements are now cached for reuse, to improve performance ( Firefox bug 1480146).We now support an auto value for the quotes property ( Firefox bug 1421938).The :visited pseudo-class no longer matches elements, for logic and performance reasons ( Firefox bug 1572246 see Intent to ship: Make elements always unvisited and :link and for more reasoning as to why).The font-size property now accepts the new keyword value xxx-large.The display property now accepts two keyword values representing the inner and outer display type ( Webkit bug 1038294, Webkit bug 1105868 and Webkit bug 1557825).The default value is auto, which means that by default underlines and overlines are now interrupted where they would otherwise cross over a glyph. A number of text-related CSS properties have been enabled by default ( Firefox bug 1573631):.grid-auto-columns and grid-auto-rows now accept multiple track-size values ( Webkit bug 1339672).
debugger statements can be now disabled in the Debugger by setting a breakpoint on them and switching the breakpoints to "Never pause here" ( Firefox bug 925269).When debugging in Container sessions (useful for testing different logins), the sources in the debugger are now shown correctly ( Firefox bug 1375036).The Debugger now handles stepping over async functions correctly, making asynchronous function debugging easier ( Firefox bug 1570178).The Debugger now retains the currently selected and expanded variables in the scopes panel while stepping ( Firefox bug 1405402).blocks created by let, with, or if/ else) ( Firefox bug 1448166) The Debugger's scopes panel grouping has been simplified, consolidating additional scopes previously shown above the top level function (e.g.The Debugger now shows sources that already got discarded by the engine (usually scripts that execute once during page load), so you can properly set breakpoints to debug when they execute next ( Firefox bug 1572280).The Debugger now shows an overlay on the page when it is paused, with basic stepping buttons to let you step and continue ( Firefox bug 1574646).In the Debugger you can now set breakpoints for DOM Mutation, so execution will pause when a node or its attributes are changed or when a node is removed from the DOM ( Firefox bug 1576219).
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