code: function () {
          var self = this;
  
          if (self[0] && self[0].parentNode) {
            return domManipulate(self, arguments, function (node) {
              this.parentNode.insertBefore(node, this.nextSibling);
            }, true);
          }
  
          return self;
        }
docs: Adds the specified elements after current set nodes.
  
  @method after
  @param {String/Element/Array/tinymce.dom.DomQuery} content Content to add after to each element in set.
  @return {tinymce.dom.DomQuery} Current set.