编写一个参数JavaScript函数parseQueryString，它的用途是把url参数解析为一个对象

var url = "http://www.taobao.com/index.php?key0=0&key1=1&key2=2.............";

var obj = parseQueryString(url);

       

function parseQueryString(argu){

  var str = argu.split('?')[1];

  var result = {};

  var temp = str.split('&');

  for(var i=0; i<temp.length; i++)

  {

     var temp2 = temp[i].split('=');

     result[temp2[0]] = temp2[1];

  }

  return result;

}