code: function (suffix) {
          var id = suffix ? this._id + '-' + suffix : this._id;
  
          if (!this._elmCache[id]) {
            this._elmCache[id] = $('#' + id)[0];
          }
  
          return this._elmCache[id];
        }
docs: Returns the control DOM element or sub element.
  
  @method getEl
  @param {String} [suffix] Suffix to get element by.
  @return {Element} HTML DOM element for the current control or it's children.