code: function parseKeyValue(/**string*/keyValue) {
    var obj = {}, key_value, key;
    forEach((keyValue || "").split('&'), function(keyValue) {
      if (keyValue) {
        key_value = keyValue.replace(/\+/g,'%20').split('=');
        key = tryDecodeURIComponent(key_value[0]);
        if (isDefined(key)) {
          var val = isDefined(key_value[1]) ? tryDecodeURIComponent(key_value[1]) : true;
          if (!hasOwnProperty.call(obj, key)) {
            obj[key] = val;
          } else if (isArray(obj[key])) {
            obj[key].push(val);
          } else {
            obj[key] = [obj[key],val];
          }
        }
      }
    });
    return obj;
  }
docs: Parses an escaped url query string into key-value pairs.
  @returns {Object.<string,boolean|Array>}