code: function (element, scroller) {
                      if (!element || !_Global.document.body || !_Global.document.body.contains(element)) {
                          return false;
                      }
                      if (!_ElementUtilities._setActive(element, scroller)) {
                          return false;
                      }
                      return (element === _Global.document.activeElement);
                  }
docs: Try to set us as active