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