How to use the Ajax Class Library

How to use the Ajax class library, for this problem, this article introduces the corresponding analysis and answers in detail, hoping to help more partners who want to solve this problem to find a more simple and easy way.

The details are as follows:

Ajax.js

Function Ajax (recvType) {var aj=new Object (); aj.recvType=recvType? RecvType.toUpperCase (): 'HTML' / / HTML XML aj.targetUrl=''; aj.sendString=''; aj.resultHandle=null; aj.createXMLHttpRequest=function () {XMLHttpRequest in the var request=false; / / window object is non-IE, including (IE7,IE8) if (window.XMLHttpRequest) {request=new XMLHttpRequest (); if (request.overrideMimeType) {request.overrideMimeType ("text/xml") } / / the existence of the ActiveXObject attribute in the window object is IE} else if (window.ActiveXObject) {var versions= ['Microsoft.XMLHTTP',' MSXML.XMLHTTP', 'Msxml2.XMLHTTP.7.0','Msxml2.XMLHTTP.6.0','Msxml2.XMLHTTP.5.0',' Msxml2.XMLHTTP.4.0', 'MSXML2.XMLHTTP.3.0',' MSXML2.XMLHTTP']; for (var item0; I