将以下代码保存为:a.js
function querystring(){
this.params = new Object();
this.initialize = function(){
var param=this.paramstring();
if(param.length == 0) return;
if(param.substring(0,1)=='?'){
param=param.substring(1);
}
param = param.replace(/\+/g, ' ');
var args = param.split('&');
for (var i=0;i<a...