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Firefox 16 erschien am 9. Oktober 2012. Dieser Artikel listet die hauptsächlichen Änderungen auf, welche nicht nur für Web-Entwickler gedacht sind, aber auch Firefox- , Gecko- und AddOn-Entwickler.
Möchten Sie helfen Firefox 16 zu dokumentieren? Schauen Sie auf die Liste von Bugs, über die geschrieben werden sollte und schreibe Sie dazu.
Änderungen für Web-Entwickler
HTML
- Das
<meter>
-Element ist nun verfügbar. - Die HTML Microdata API kann nun genutzt werden. (bug 591467)
<canvas>
ist nun für alle CSScurrentColor
verfügbar. (Bug 629882)<input>
erlaubt nun Filterung durch verschiedene Mimetypes inaccept
. (Bug 565274)- Die Attribute
width
andheight
wurden zum Element<input>
hinzugefügt. (bug 683855)
CSS
- Support for the standard, unprefixed version of CSS Animations has been landed. (bug 762302)
- Support for reverse animation direction (keywords
reverse
andalternate-reverse
on theanimation-direction
property) has been added. (bug 655920) - You can now animate the CSS
height
andwidth
properties. - The
animation-duration
andtransition-duration
CSS properties now reject negative values (and do not handle them as0s
anymore) (bug 773102) - Support for the standard, unprefixed version of CSS Transforms has been landed. (bug 745523)
- Support for the standard, unprefixed version of CSS Gradients has been landed. Note that the syntax has changed significantly since the prefixed version, so you should read up on this. (bug 752187)
- The
-moz-box-sizing
implementation has been updated to apply to table cells too. (bug 338554) - Support for the standard, unprefixed version of
calc
has been landed. (bug 771678) - The
<resolution>
CSS data type has been extended to support thedppx
. (bug 741644) - On screen, for media queries,
dppx
,dpi
, anddpcm
are now representing values based on CSS pixels and no more with the physical units. (bug 771390) - Three new pseudo-classes
:-moz-meter-optimum
,:-moz-meter-sub-optimum
, and:-moz-meter-sub-sub-optimum
have been added for accessing/styling a<meter>
element in a paraticular state. (bug 660238) - The
-moz-appearance
property gains two new values:meterbar
andmeterchunk
. They represent components inside the<meter>
element. (bug 659999) - The
min-width
andmin-height
now supports theauto
keyword for flex items (and resolves to0
for other items). (Bug 763689)
DOM
- Two new properties
width
andheight
have been added to theHTMLInputElement
interface (bug 683855). - IndexedDB properties and methods have been unprefixed. (bug 726378)
- The Battery API is now unprefixed.
- The Vibration API has been unprefixed.
- The
Keyboard
interface, still prefixed asmozKeyboard
, now has theKeyboard.setSelectedOption()
andKeyboard.setValue()
methods, as well as theKeyboard.onfocuschange
property. - The
java
andPackages
global objects have been removed. See LiveConnect. - The
CSSRule.type
associated withCSSNamespaceRule
has been updated fromUNKNOWN_RULE
(0
) toNAMESPACE_RULE
(10
). (bug 765590) - WebSMS API:
SmsRequest
has been superseded by the more generalDOMRequest
.
JavaScript
Number
objects now offerisFinite()
,toInteger()
, andisInteger()
methods. (bug 761480, bug 761495)- The Harmony spread operator is now supported in
Array
initializers (bug 574130). Note it is not yet supported in calls (bug 762363).
WebGL
SVG
MathML
- The
lspace
andrspace
attributes of<mo>
now correctly default tothickmathspace
.
Network
Developer tools
- There's now a handy developer toolbar you can access by going to Tools > Web Developer > Developer Toolbar, or by pressing Ctrl-Shift-V (Cmd-Opt-V on Mac OS X). This toolbar offers a command line interface as well as buttons for quickly accessing useful tools. The graphical command line interface (GCLI) is easy to expand and additional commands are expected in the future. Type "help" to get a list of supported commands.
- The Web Console now displays an error count so you can quickly see how much work you have ahead of you.
- The Scratchpad now offers a list of recently opened files.
Changes for Open Web App developers
- Initial Open Web App support has been implemented in the desktop versions of Firefox (that is, on Windows, Mac OS X, and Linux).
Changes for add-on and Mozilla developers
Interface changes
nsIPrivateDOMEvent
has been merged into nsIDOMEvent
. (Bug 761613)
New interfaces
Removed interfaces
The following interfaces have been removed.