Firefox 14 shipped on July 17, 2012. This article lists key changes that are useful for not only Web developers to know about, but also Firefox and Gecko developers as well as add-on developers.
Changes for Web developers
- The default modifier keys for the
accesskeyof HTML contents on Mac are changed to Control+Option. This is the same as WebKit-based browsers on Mac.
- input events are fired also on editing host element of contenteditable editor and root element of designMode editor.
DOMException.code已被废弃,根据最新的DOM Level 4 规范.
Range.insertNode()method now works correctly when used on collapsed ranges.
MozBlobBuilderinterface has been deprecated in favor of the constructor on
Blob. If you use
MozBlobBuilderyou'll see a warning message in the Web Console.
Blob()constructor is now available to workers (bug 736686).
- Support for the Mutation Observers has been landed. It is designed as a replacement for the Mutation Events in DOM3, which has a number of issues regarding performance.
yproperties were removed in Gecko 7.0 (Firefox 7.0 / Thunderbird 7.0 / SeaMonkey 2.4) but restored in this release for compatibility reasons.
GeoPositionAddressinterface, an obsolete part of the Geolocation API, has been removed.
localStorage/sessionStoragenow correctly return
nullfor undeclared keys through property access.
ImageDataobject has been implemented (bug 550309).
- Attributes and methods related to child nodes on
Attrinterface where obsoleted (bug 737122).
font-variantCSS properties have been fixed to correctly handle the
ITurkic-specific case pairs.
- The Dutch IJ digraph is now correctly handled by
text-transform: capitalization. Similarly the Greek letter
Σ, which has two lowercase forms,
ς, is now correctly handled by
- Support for the
skew()function has been removed from
transformproperty, as it has been removed from the draft standard.
- The syntax for
border-imagehas been updated to match the latest revision of the specification; it no longer accepts a trailing slash ("/").
- The syntax of the
statuslineaction type on
<maction>elements has been adjusted to follow the MathML specification.
308永久重定向 状态码. 由于Gecko并不区分永久重定向和零食重定向,所以该状态码的表现行为和
307 临时重定向状态码是一样的, 和302以及301状态码的区别是,它们禁止用户代理改变重定之后的HTTP方法(
Changes for Mozilla and add-on developers
- Added a keyboard shortcut to toggle commenting for the current selection (Ctrl-/ or Cmd-/ on Mac OS X).
- Added the Ctrl-[ and Ctrl-] keyboard shortcuts for moving the text input position to the beginning and end of the current block.
- Added the new
nsIFile接口中. (bug 682360).
- The methods in
nsIPlacesImportExportServicefor importing bookmarks have all been removed in favor of the
- Dictionary names are now parsed as full BCP 47 language tags (bug 730209, bug 741842). Developers are encouraged to not hard-code the name of their language in their dictionary names.
- Firefox 13 for developers
- Firefox 12 for developers
- Firefox 11 for developers
- Firefox 10 for developers
- Firefox 9 for developers
- Firefox 8 for developers
- Firefox 7 for developers
- Firefox 6 for developers
- Firefox 5 for developers
- Firefox 4 for developers
- Firefox 3.6 for developers
- Firefox 3.5 for developers
- Firefox 3 for developers
- Firefox 2 for developers
- Firefox 1.5 for developers