code: function(data) {
          // We iterate over data rather than keys so we don't forget values
          // which don't have a setting yet.
          for (var key in data) {
              if (data.hasOwnProperty(key)) {
                  var setting = this._settings[key];
                  if (setting) {
                      var value = setting.type.parse(data[key]);
                      this.set(key, value);
                  } else {
                      this.set(key, data[key]);
                  }
              }
          }
      }
docs: Utility to load settings from an object