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下面不属于ajax事件的是()
- A、ajaxComplete(callback)
- B、ajaxSuccess(callback)
- C、$.post(url)
- D、ajaxSend(callback)
参考答案
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单选题You are creating a Windows application for graphical image processing by using the .NET Framework 3.5. You create an image processing function and a delegate.You plan to invoke the image processing function by using the delegate.You need to ensure that the calling thread meets the following requirements: (1)It is not blocked when the delegate is running (2)It is notified when the delegate is complete What should you do?()A
Call the Invoke method of the delegate.B
Call the BeginInvoke and EndInvoke methods of the delegate in the calling thread.C
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Call the BeginInvoke method by specifying a callback method to be executed when the delegate is complete.Call the EndInvoke method of the delegate in the calling thread.
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单选题下面Ajax代码中,存在哪些错误()。A
var url=operate=doCheckUserExistsuname=+uname;B
xmlHttpRequest=createXmlHttpRequest();C
xmlHttpRequest.onreadystatechange=haoLeJiaoWo;D
xmlHttpRequest.open(POST,url,false);
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单选题下面不属于ajax事件的是()A
ajaxComplete(callback)B
ajaxSuccess(callback)C
$.post(url)D
ajaxSend(callback)
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单选题当DOM加载完成后要执行的函数,下面哪个是正确的()A
jQuery(expression,[context])B
jQuery(html,[ownerDocument])C
jQuery(callback)D
jQuery(elements)
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多选题Which three are components of the Cisco SMARTnet service? ()ANBD callback from specialized engineers during regular business hoursBsupport for every Cisco productCsupport for low-end products onlyDcases opened via e-mail or telephone at any timeEadvanced replacement on the next business dayFimmediate support from the Cisco TAC engineers
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单选题Which technique is specifically a weakness of callback systems?哪项技术是回拨系统特有的弱点?()A
social engineering.社会工程学B
between-the-linesentry.之间的线路输入C
call forwarding.呼叫转移D
spoofing.欺骗
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(难度:中等)微任务中的事件放在callback queue中,由事件触发线程维护
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