(function() {    var urlToObject = function(url) {     var urlObject = {};     if (/\?/.test(url)) {      var urlString = url.substring(url.indexOf("?")+1);      var urlArray = urlString.split("&");      for (var i=0, len=urlArray.length; i<len; i++) {       var urlItem = urlArray[i];       var item = urlItem.split("=");       urlObject[item[0]] = item[1];      }      return urlObject;     }    };    var testUrl = "http://www.taobao.com/index.php?key0=0&key1=1&key2=2";    var result = urlToObject(testUrl);    for (var key in result) {     alert(key + "=" + result[key]);    }   })();