日期:2014-05-16 浏览次数:20455 次
var xhr=window.ActiveXObject?new ActiveXObject("microsoft.xmlhttp"):new XMLHttpRequest();
alert(xhr)
xhr.open("get","2.htm",true);
xhr.onreadystatechange=function(){
  if(4==xhr.readyState&&(200==xhr.status||0==xhr.status))alert(xhr.responseText);
}
xhr.send(null)