题目内容

Which of the following jQuery method can be used to attach a function to be executed when all AJAX requests have ended?

A. ajaxStart( callback )
B. ajaxComplete( callback )
C. ajaxSend( callback )
D. ajaxStop(callback)

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Asynchronous Javascript and XML
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A. JavaScript
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Which of the following is correct about the features of JavaScript?

A. JavaScript is is complementary to and integrated with HTML.
B. JavaScript is open and cross-platform.
C. Both of the above.
D. All of the above.

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