code: function () {
              if (typeof angular == "object" && typeof angular.element == "function") {
                  this._ngName = this._dataElement().attr("ng-model");
                  if (typeof this._ngName == "string") {
                      this._isAngular = true; var that = this;
                      this._scope().$watch(this._ngName, function (newValue, oldValue) { that.option("value", newValue); });
                  }
              }
          }
docs: Listener for Angular binding