jQuery Get Query String Parameters as object

queryStringParam.js

$.extend({
      getUrlVars: function () {
          var vars = {}, hash;
          var hashes = window.location.href.slice(window.location.href.indexOf('?') + 1).split('&');
          for (var i = 0; i < hashes.length; i++) {
              hash = hashes[i].split('=');
              vars[hash[0]] = hash[1];
          }
          return vars;
      },
      getUrlVar: function (name) {
          return $.getUrlVars()[name];
      }
  });
  $(function (e) {
      var allVars = $.getUrlVars();
      var byName = $.getUrlVar('installed');
      console.log(allVars);
      console.log(byName);
  });