jQuery 1.8 Beta 2 发布

jQuery 发布 1.8 的第二个 Beta 版本，下载地址：http://code.jquery.com/jquery-1.8b2.js

jQuery 开发团队请大家帮忙使用各种浏览器对该版本进行测试。

详细的改进记录包括：

Ajax

#4624: Charset in default ajaxSettings.contentType

#10978: jQuery.param() should allow non-native constructed objects as property values

#11264: evalScript() uses defaults set by ajaxSetup()

#11426: jQuery.ajax() always fails when requesting JPG images in IE

Attributes

#5571: Allow chaining when passing undefined to any setter in jQuery

#10828: attr("coords") returns undefined in IE7

#10870: Incorrect behaviour of $.removeAttr("selected")

#11316: Consider looking through valHooks by element type first, then by nodeName instead of the other way around

Build

#10692: Configure the jshint options to more accurately match the style guide

#10693: generalize the "test something in an iframe" code in unit tests

#10901: have unit tests fail if the tester is running from file:// or doesn't have PHP

#10902: ability to test a built version of jQuery in unit tests

#10931: Unit tests shouldn't require internet access

Core

#10466: jQuery.param() mistakes wrapped primitives for deep objects

Css

#10639: outerWidth(true) and css('margin') returning % instead of px in Webkit

#10754: have jQuery.swap return the return of the callback instead of just executing it

#10782: Incorrect calculating width

#10796: Bug in IE7 with $('#el').css.('background-position')

#10858: css.js regular expressions are incomplete

#11119: The curCSS function only need 2 arguments

Data

#11309: hexadecimal-formatted data-* attributes parsed incorrectly

Deferred

#11306: calling .disable() or .lock() on a $.Callbacks object breaks its fired() status

Effects

#8498: Animate Hooks

#10006: method show is not working as expected in all browsers when called for document fragment

#10848: Animation toggling loses state tracking in certain atomic edge cases

#11415: Silently ignore negative CSS values where they are illegal

#11469: Negative margin in animations (.animate)

Event

#8165: .live('click', handler) fires on disabled buttons with child elements in Chrome

#10819: Eliminate "this.on.call(this, "

#10878: $("select").live("change", function(){ …broken in IE8 in jQuery 1.7

#10961: Error in XRegExp using jQuery 1.7.1 in IE6-9

#10970: The .on() selector parameter doesn't work with :not(:first) selector

#10984: Cannot off() custom events ($.event.special)

#11021: Hover hack mangles a namespace named "hover"

#11076: .clone(true) loses delegation filters

#11130: jQuery.fn.on: binding map with null selector ignores data

#11145: $(document).on() not working with name="disabled"

Manipulation

#9427: Passing undefined to .text() does not trigger setter

#10753: inline the evalScript function in manipulation.js as it's only used once

#10864: text() method on a document fragment always returns the empty string

#11055: Update HTML5 Shim elements list to support latest html5shiv

#11217: Append problem with webkit

#11291: Cloning XMLDoc's with HTML5 nodeName's breaks on IE

#11323: script tags with type="text/ecmascript" leak into the DOM

#11356: safeFragment memory leak

Misc

#10952: .fired() doesn't work on Callbacks object when it is flagged with "once"

#11257: Wrong path to source files in test suite if PHP missing

Queue

#10967: .promise() does not attach methods onto target

Support

#7986: Bug in $.support.boxModel if page has DIV-element CSS

#11048: Support Tests affect layout for positioned elements in IE6-9

#11337: Bug in $.support.reliableMarginRight

Traversing

#11370: $('<div>').siblings() throws exception