7.16,杭州。阿里百川无线开放大会。阿里与开发者一起见证移动的力量
Mozilla Firefox 39.0 Beta 7 今日发布于Mozila的FTP,目前官方还没有发布相关的更新报告,但从面向开发者的信息看,SSLv3被彻底移除出Firefox的支持范围,并实现对W3C制订的ARIA规范的支持,这是一个为残疾人士等提供无障碍访问动态、可交互Web内容的技术规范,为浏览器、媒体播放器、辅助技术的开发人员以及Web内容开发者定义了可以获得更广泛跨平台可访问性的方法。可见Firefox从现在开始对残障人士的会更加友好。
http://dm-download02.mozilla.org/pub/mozilla.org/mozilla.org/firefox/releases/39.0b7/
Changes for Web developersDeveloper Tools
Highlights:
WebIDE now supports debugging Firefox OS devices over Wi-Fi
WebIDE now supports Cordova projects
Animations view: rewind, fast-forward, and jump to a specific time
The cubic Bézier curve editor now includes 31 presets
Drag and drop elements in the Page Inspector
Web console command history is now persisted across sessions
$_ console command to print the last result evaluated
Better box model highlighting for inline elements
All devtools bugs fixed between Firefox 38 and Firefox 39 .
CSS
Support of the <string>
type on list-style-type
, as well as its shorthand property list-style
has been implemented ( bug 1144607 ).
CSS Scroll Snapping has been implemented ( bug 945584 and bug 1138658 ).
Cascading of CSS Animations and CSS Transitions has been rewritten to match the latest specification ( bug 1125455 ).
Support for vertical scripts, with the writing-mode
is now turned on by default on Nightly and Developer Edition, but not on Firefox Beta and Firefox Release ( bug 1099032 ). Note that implementation is not yet complete and some widgets, like tables, will not obey to all values.
HTML
A new ARIA role, switch
, is now supported ( bug 1136563 ).
Support for <link rel="preconnect">
allowing to anticipate a future connection without revealing any information has been implemented (<a class="external external-icon" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1135160" title="FIXED: Implement" _href="https://bugzilla.mozilla.org/show_bug.cgi?id=1135160">bug 1135160).
JavaScript
The RegExp
constructor no longer throws when the first argument is a RegExp
and the second flags
argument is present ( bug 1108949 ).
The Object.prototype.__noSuchMethod__
property is now deprecated and throws a console warning (see bug 1140428 and this platform announcement ).
The implementation of the Proxy
object has been updated to comply more with the ES6 specification:
The defineProperty
and set
handlers now need to explicitly return true
to be successful, otherwise a TypeError
exception will be thrown in strict mode ( bug 1132522 ).
If the window
object is set as the target, those handlers will now throw a TypeError
( bug 828137 ).
When using arrow functions ( =>
), a line terminator ( /n
) is no longer allowed after arrow function arguments ( () /n => {}
) ( bug 1141392 ).
RegExp.prototype.toString
is now a generic function ( bug 1079919 ).
The non-standard flags
argument of String.prototype.match()
, String.prototype.search()
, and String.prototype.replace()
is now deprecated and throws a console warning ( bug 1142351 ).
The try/catch behavior of Object.assign()
has been removed to conform with the latest ES6 draft ( bug 1103344 ).
Interfaces/APIs/DOM
The experimental CanvasRenderingContext2D.addHitRegion()
method now accepts a path
option, which allows you to add hit regions to Path2D
objects ( bug 1129147 ).
New methods have been added to manipulate FormData
objects ( bug 1085283 ) and FormData
are now supported in Web workers ( bug 739173 ).
The non-standard XMLHttpRequest.sendAsBinary()
method has been removed ( bug 853162 ).
Progress in our experimental implementation of Web Animations: AnimationPlayer.startTime
is now writeable ( bug 1073379 ).
Progress in our experimental implementation of Service Workers : Cache
and CacheStorage
interfaces are now implemented ( bug 940273 ).
The experimental Fetch API has been activated by default ( bug 1133861 ).
Progress in our experimental implementation of WebGL2: WebGLSync
is now implemented ( bug 1048721 ).
MathML
No change.
SVG
No change.
Audio/Video
No change.
Miscelleanous
WOFF2 fonts support is now turned on by default in release version of Firefox (Beta and Release, in addition of Nightly and Developer Edition) ( bug 1084026 ).
Networking
Support for SSLv3 has been completely removed ( bug 1106470 ).
SecurityChanges for add-on and Mozilla developersXUL
No change.
JavaScript code modules
No change.
XPCOM
No change.