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<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>xmlhttprequest ajax demo</title>
<script type ="text/javascript" language ="javascript" >
var req; //¶¨Òå±äÁ¿£¬ÓÃÀ´´´½¨xmlhttprequest¶ÔÏó
function creatReq() // ´´½¨xmlhttprequest,ajax¿ªÊ¼
{
var url="ajaxServer.aspx"; //ÒªÇëÇóµÄ·þÎñ¶ËµØÖ·
if(window.XMLHttpRequest) //·ÇIEä¯ÀÀÆ÷¼°IE7(7.0¼°ÒÔÉϰ汾)£¬ÓÃxmlhttprequest¶ÔÏó´´½¨
{
req=new XMLHttpRequest();
}
else if(window.ActiveXObject) //IE(6.0¼°ÒÔϰ汾)ä¯ÀÀÆ÷ÓÃactivexobject¶ÔÏó´´½¨,Èç¹ûÓû§ä¯ÀÀÆ÷½ûÓÃÁËActiveX,¿ÉÄÜ»áʧ°Ü. {
req=new ActiveXObject("Microsoft.XMLHttp");
}
if(req) //³É¹¦´´½¨xmlhttprequest
{
req.open("GET",url,true); //
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