Ajax ¸ø XMLHttpReq.onreadystatechange´«µÝ²ÎÊý

Ajax ¸ø XMLHttpReq.onreadystatechange´«µÝ²ÎÊý
ͨ¹ý£º
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)};
----------------------------------------------
function proce(v)
{
    if(XMLHttpReq.readyState==4)
    {
     if(XMLHttpReq.status==200)
     {
     var res=XMLHttpReq.responseXML.getElementsByTagName("content")[0].firstChild.data;
     v.value=res;
     }
     else
     {
      v.value='....';
     }
    }
}