jQuery 3.1.0 发布了，该版本主要修复之前 3.0 版本潜在的一些问题。
本次发布主要改进如下：
Ajax
Breaking change: Special-case Deferred methods removed from jQuery.ajax
Breaking change: Cross-domain script requests must be declared
Breaking change: Hash in a URL is preserved in a jQuery.ajax() call
Feature: New signature for jQuery.get() AND jQuery.post()
Attributes
Breaking change: .removeAttr() no longer sets properties to false
Breaking change: select-multiple with nothing selected returns an empty array
Feature: SVG documents support class operations
Deprecated: .toggleClass() with no arguments and .toggleClass( Boolean )
Callbacks
Feature: Locking a Callback prevents only future list execution
Core
Breaking change: jQuery 3.0 runs in Strict Mode
Breaking change: document-ready handlers are now asynchronous
Breaking change: jQuery.isNumeric() and custom .toString()
Breaking change: Deprecated .context and .selector properties removed
Breaking change: Undocumented internal methods no longer exposed
Breaking change: Return values on empty sets are undefined
Feature: for...of loops can be used on jQuery collections
Feature: jQuery.ready promise is formally supported
Deprecated: jQuery.unique(), renamed to jQuery.uniqueSort()
Deprecated: jQuery.parseJSON()
Deprecated: document-ready handlers other than jQuery(function)
下载地址：
https://code.jquery.com/jquery-3.1.0.js
https://code.jquery.com/jquery-3.1.0.min.js
来自:开源中国社区
