Web开发社区的人都知道，Ajax允许向服务器发出异步的辅助请求，并直接在网页中显示结果(如图4所示)。

Ajax, as the Web development community well knows, allows you to make asynchronous auxiliary requests to the server and display the resulting output directly on the Web page (see Figure 4).

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可访问性：jQuery已经支持可访问的富internet应用程序(WAI - ARIA)，以有助于使用辅助技术让有残疾的访问者也能够访问网页。

Accessibility: jQuery has support for accessible Rich Internet Applications (WAI-ARIA) to help make web pages accessible for visitors with disabilities using assistive technologies.

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辅助说明档，网页与MPL授权许可。

Help file, home page and MPL license.

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