docs: function () {
              var touchFocusSpan = this._touchFocusSpan;
              if (!touchFocusSpan) {
                  touchFocusSpan = this._touchFocusSpan = Aria.$window.document.createElement("span");
                  touchFocusSpan.setAttribute("tabIndex", "-1");
                  var widgetDomElt = this.getDom();
                  widgetDomElt.appendChild(touchFocusSpan);
              }
              touchFocusSpan.focus();
          }