code: function (e) {
      var self = this;
  
      // Don't do anything if already closed
      if (!self.isOpen) {
        return;
      }
  
      self.isOpen = false;
      self.$el.removeClass("open");
  
      // Notify child view
      self.dropdownContainerView.close();
    }
docs: Close the dropdown
  
  @method close
  @param {object} [e]