摘要：
1 function createXHR() 2 { 3 if (typeof XMLHttpRequest != "undefined") 4 { 5 return new XMLHttpRequest(); 6 } // end if 7 else if (window.ActiveXObject) 8 { 9 var aVersions = ["MSXML2.XMLHttp.6.0", "MSXML2.XMLHttp.3.0"];10 for (var i = 0; i < aVersions.le... 阅读全文
