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XMLHttpRequest
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var xmlHttp;
 
function createXMLHttpRequest() {
    if (window.ActiveXObject) {
        xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
    }
    else if (window.XMLHttpRequest) {
        xmlHttp = new XMLHttpRequest();
    }
}


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Ê×ÏÈ´´½¨Ò»¸ö±íannouncement£¬°üÀ¨Ëĸö× ......

Ajax ¸ø XMLHttpReq.onreadystatechange´«µÝ²ÎÊý

Ajax ¸ø XMLHttpReq.onreadystatechange´«µÝ²ÎÊý
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xmlhttp.onreadystatechange= function(){xx(123)};
or
xmlhttp.onreadystatechange= new Function("xx(123)");
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m=document.getElementsByName("text8");
v=m[i];
XMLHttpReq.onreadystatechange=function(){proce(v)};
---------------------- ......

Ajax ÊÖдJS

var httpRequest = false;
var mesdivs = null
function sendRequest(url, mesdiv) {
 
    mesdivs = mesdiv;
    httpRequest = false;
    if (window.XMLHttpRequest) {
        httpRequest = new XMLHttpRequest();
......

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< ?xml:namespace prefix = asp />
< asp:ScriptManager runat="server">< /asp:ScriptManager>
< asp:UpdatePanel id=Upda ......
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