code: function() {
              for(var i = 0; i < this.content.length; i++) {
                  if(!this.content[i].element || !this._isItemClassCorrespondingToType(this.content[i])) {
                      this._createItemElement(this.content[i])
                  }
                  this._fillItem(this.content[i]);
              }
          }
docs: Method that will refresh items' elements (still in progress)