code: function() {
          if (!this.items.length) {
              this.hide();
              return;
          }
  
          this.fireEvent('showing');
  
          var iPos = this.input.offset();
  
          this.element
              .css('top', iPos.top + this.input.outerHeight())
              .css(Toolkit.isRTL ? 'right' : 'left', iPos.left)
              .reveal();
  
          this.input.aria('expanded', true);
  
          this.fireEvent('shown');
      }
docs: Position the menu below the input.