code: function (items) {
  		
  			var i, length;
  		
  			// remove previous <option>s nodes
  			while (this.el.childNodes.length > 0) {
  				this.el.removeChild(this.el.childNodes[0]);
  			}
  		
  			// add new options
  			for (i = 0, length = items.length; i < length ; i += 1) {
  				this.addChoice({ value: items[i][this.options.valueKey], label: items[i][this.options.labelKey] });
  			}
  		}
docs: Insert the options