docs: function (order) {
  			var items = {}, rootEl = this.el;
  
  			this.toArray().forEach(function (id, i) {
  				var el = rootEl.children[i];
  
  				if (_closest(el, this.options.draggable, rootEl)) {
  					items[id] = el;
  				}
  			}, this);
  
  			order.forEach(function (id) {
  				if (items[id]) {
  					rootEl.removeChild(items[id]);
  					rootEl.appendChild(items[id]);
  				}
  			});
  		}