js 取得ajax对象

2012-10-19

js 获得ajax对象function GetXmlHttpObject(){var xmlHttpnulltry {// Firefox, Opera 8.0+, SafarixmlH

js 获得ajax对象

function GetXmlHttpObject(){  var xmlHttp=null;  try {// Firefox, Opera 8.0+, SafarixmlHttp=new XMLHttpRequest();        }  catch (e) {// Internet Explorertry{  xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");}catch (e){  xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");}    }  return xmlHttp;}

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