?? helloajax.js
字號(hào):
var xmlHttpRequestHandler = new Object();
xmlHttpRequestHandler.createXmlHttpRequest = function(){
var XmlHttpRequestObject;
if (typeof XMLHttpRequest != "undefined"){
XmlHttpRequestObject = new XMLHttpRequest();
}
else if (window.ActiveXObject){
// look up the highest possible MSXML version
var tryPossibleVersions = ["MSXML2.XMLHttp.5.0",
"MSXML2.XMLHttp.4.0",
"MSXML2.XMLHttp.3.0",
"MSXML2.XMLHttp",
"Microsoft.XMLHttp"];
for (i=0; i< tryPossibleVersions.length; i++){
try{
XmlHttpRequestObject = new ActiveXObject(tryPossibleVersions[i]);
break;
}
catch (xmlHttpRequestObjectError){
//ignore
}
}
}
return XmlHttpRequestObject;
}
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