1.初始化XMLHttpRequest对象模版functioncreateXmlHttpRequest(){varxmlHttp;try{//Firefox,Opera8.0+,SafarixmlHttp=newXMLHttpRequest();}catch(e){try{//InternetExplorerxmlHttp=newActiveXObject("Msxml2.XMLHTTP");}catch(e){try{xmlHttp=newActiveXObject("Microsoft...
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