code: function (domEvt) {
              var domElt = this.getDom();
              if (this.sendKey(domEvt.charCode, domEvt.keyCode)) {
                  domEvt.preventDefault(true);
                  domElt.focus();
              }
          }
docs: Keyboard support for the calendar.
  @protected
  @param {aria.DomEvent} domEvt Key down event