function GetQueryString(name) {
var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)","i");
var r = window.location.search.substr(1).match(reg);
if (r!=null) return (r[2]);
return null;
}
var sname = GetQueryString("name");
if(sname!=null) {
var sname_ = decodeURIComponent(sname);
alert(sname_);
}
测试:abcd.html?name=xyz
弹出xyz