code: function(node) {
          var target = this.readValue(node, this.options.getTarget);
  
          if (!target || target.substr(0, 1) !== '#') {
              throw new Error('Drop menu ' + target + ' does not exist');
          }
  
          return $(target);
      }
docs: Find the menu for the current node.
  
  @param {jQuery} node