String.prototype.getQuery = function(name)
{
var reg = new RegExp("(^|&)"+ name +"=([^&]*)(&|$)");
var r = this.substr(this.indexOf("\?")+1).match(reg);
if (r != null) return unescape(r[2]);
return ‘‘;
}
var id=window.location.toString().getQuery(‘wdhtstate‘); //获取wdhtstate的值
原文:http://www.cnblogs.com/yunnuo/p/5231725.html