Mozilla Firefox 38.0 Beta 1 发布
Mozilla Firefox 38.0 Beta 1 今日发布,该版本将在今年5月份正式发布。除了继续优化对64位的支持外,最大的改进是原生支持Ruby字符。Ruby字符与Ruby语言无关,而是注音标示,是一种表意文字的音标印刷方式,广泛地运用于日文及中文,rubi是日本印刷业的用语。以前 Firefox浏览器支持注音标示需要安装扩展如HTML Ruby,如今Firefox 38默认启用了CSS Ruby,同时还引入了HTML5 ruby标签支持。
下载地址:
http://dm-download02.mozilla.org/pub/mozilla.org/mozilla.org/firefox/releases/38.0b1/
Developer Tools
Highlights:
All devtools bugs fixed between Firefox 37 and Firefox 38.
CSS
-
Support for
ruby-position
andruby-align
have been added and is available by default (bug 1055676bug 1123917 and bug 1039006). -
The
:unresolved
pseudo-class have been implemented for custom elements (bug 1111633). -
The predefined style
ethiopic-numeric
now uses a space, instead of a dot, as suffix to match a recent change to the spec (bug 1120721). -
CSS transitions on generated content (with
::before
and::after
) on both an inline and the block that splits them now start as expected by the spec (bug 1110277). -
The implementation of CSS Logical Properties made big progress. The following properties are available behind the
layout.css.vertical-text.enabled
flag (false
by default): -
Direction-independant equivalents of
width
andheight
:block-size
andinline-size
(bug 1117983). -
Direction-independant equivalents of
min-width
andmin-height
:min-block-size
andmin-inline-size
(bug 1117983). -
Direction-independant equivalents of
max-width
andmax-height
:max-block-size
andmax-block-size
(bug 1117983). -
Direction-independant equivalents of
margin-top
,margin-right
,margin-bottom
andmargin-left
:margin-block-start
,margin-block-end
,margin-inline-start
andmargin-inline-end
(bug 649142). -
Direction-independant equivalents of
padding-top
,padding-right
,padding-bottom
andpadding-left
:padding-block-start
,padding-block-end
,padding-inline-start
andpadding-inline-end
(bug 649142). -
Direction-independant equivalents of
border-top
,border-right
,border-bottom
andborder-left
and their longhands for width, style and color:border-block-start
,border-block-start-width
,border-block-start-style
,border-block-start-color
,border-block-end
,border-block-end-width
,border-block-end-style
,border-block-end-color
,border-inline-start
,border-inline-start-width
,border-inline-start-style
,border-inline-start-color
,border-inline-end
,border-inline-end-width
,border-inline-end-style
andborder-inline-end-color
(bug 649142). -
Direction-independant equivalents of
top
,right
,bottom
andleft
:offset-block-start
,offset-block-end
,offset-inline-start
andoffset-inline-end
(bug 1120283). -
How CSS Transitions start has been modified to match a recent change of the specifications, aiming at having an interoperable behavior between browsers (bug 960465).
</ul> -
Label element doesn't dispatch event to label target element if interactive content is found between the event target and the label (bug 229925).
-
The
<picture>
element has been activated by default (bug 1017875). -
Generator.prototype.return()
is implemented (bug 1115868). -
Setter
with a rest parameter is now aSyntaxError
(bug 1089632). -
The
name
property of functions is configurable now (bug 1084019). -
Several
Array
methods have been implemented for typed arrays as well: -
The
of()
andfrom()
methods (bug 896608). -
The
forEach()
method (bug 1107645). -
The
filter()
andmap()
methods (bug 1121936). -
The
slice()
method (bug 1121935). -
Duplicated parameter name is no longer allowed when rest-parameter is present (bug 1096376).
-
Duplicated parameter name is no longer allowed in arrow functions (bug 1096377).
-
Duplicated parameter name is no longer allowed in concise method definitions (bug 1096378).
-
Warning is shown when
Map
/Set
/WeakMap
constructor is called withoutnew
(bug 1108930). -
When defining a generator method, "
set
" and "get
" are no longer invalid names (bug 1073809). -
RegExp.prototype.source
now returns "(?:)" instead of an empty string for empty regular expressions (bug 1130798). -
RegExp.prototype.source
andRegExp.prototype.toString()
now escape regular expression patterns properly (e.g. line terminators, "\n") (bug 1130860). -
The
Regexp
global
,ignoreCase
,multiline
,source
, andsticky
properties are now prototype accessor properties rather than own data properties ofRegExp
instances (bug 1120169). -
Function.prototype.toString()
now throws forProxy
objects (bug 1100936). </ul> -
The Fetch API
fetch()
method has been implemented (bug 1039846). -
BroadcastChannel
has been implemented (bug 966439 and bug 1121420). -
CanvasRenderingContext2D.clearHitRegions()
has been implemented (bug 1119527). -
HTMLAnchorElement.hash
,HTMLAreaElement.hash
,Location.hash
,WorkerLocation.hash
, andURL.hash
now returns a percent-encoded fragment (bug 1093611 & bug 1122948). -
Constants of
KeyboardEvent.location
,DOM_KEY_LOCATION_MOBILE
and DOM_KEY_LOCATION_JOYSTICK, are dropped due to dropped from DOM Level 3 Spec (bug 936313. -
KeyboardEvent.code
supports special keys on Sun keyboard on Linux, Android and Firefox OS. (bug 1020139) -
KeyboardEvent.code
is enabled on release build. (bug 1126673) -
The
TextEncoder()
constructor has been changed to match the spec: when an invalid parameter is passed, theRangeError
exception is now raised, rather than the erroneousTypeError
(bug 1125766). -
The User Timing API, adding
Performance.mark()
,Performance.clearMarks()
,Performance.measure()
, andPerformance.clearMeasures()
has been implemented (bug 782751). -
The prefixed version of
indexedDB
,mozIndexedDB
has been removed (bug 975699). -
The
DOMContentLoaded
event is no longer cancelable (bug 1134559). -
You can now use WebSockets in Workers (bug 1112054).
-
The
XMLHttpRequest.responseType
andXMLHttpRequest.withCredentials
properties can now be set before callingXMLHttpRequest.open()
(bug 707484). -
In Firefox, the
autocomplete
=false
attribute is now ignored when dealing with a login form (bug 1025703). -
RC4 is now disabled when using TLS, except for a few Web sites on a whitelist. This whitelist is an interim measure while the Web sites are fixed (bug 1124039).
-
Web sites needing to fallback to an insecure version of TLS to work are now in a hardcoded whitelist, that will shrink with time (bug 1114816). The whitelist can be disabled by setting
security.tls.insecure_fallback_hosts.use_static_list
tofalse
. -
sdk/context-menu@2
was implemented (bug 1070952). -
sdk/addon/bootstrap
was implemented (bug 1075541). -
sdk/windows/loader
was removed (bug 970135). -
Fix for default language detection on Linux (bug 1114712).
-
toolkit/loader
now has opt-in module compatibility checking, which is enabled for all jpm add-ons (bug 1037235). -
sdk/page-worker e10s updates (bug 1116004).
-
sdk/content/worker e10s updates (bug 1116544).
-
sdk/tabs e10s updates (bug 1033838).
-
DownloadTarget
objects now haveexists
andsize
properties, allowing you to determine the existence of and the size of the download's target file on disk, as well as a newrefresh()
method, which asks that these values be updated. -
"@mozilla.org/network/atomic-file-output-stream;1"
and"@mozilla.org/network/safe-file-output-stream;1"
now throws an exception ifPR_APPEND
is passed withoutPR_TRUNCATE
(bug 1117580). -
nsICompositionStringSynthesizer
and nsIDOMWindowUtils.sendCompositionEvent() are now dropped. Instead, usensITextInputProcessor
. (bug 917322) -
nsIDOMWindowUtils.sendKeyEvent()
is now deprecated. Instead, usensITextInputProcessor
. (bug 1119609)
HTML
JavaScript
Interfaces/APIs/DOM
MathML
No change.
SVG
No change.
Audio/Video
No change.
Networking
No change.
Security
Changes for add-on and Mozilla developersAdd-on SDKHighlights
E10S Updates
Details
XUL
No change.
JavaScript code modulesDownloads.jsm
XPCOM