docs: function () {
              var _elem = this.element;
              if ($.mask && this.options.UseInputMask) {
                  _elem.unmask();
  
                  if (!this.GetSelectedDate()) {
                      _elem.val('');
                  }
              }
  
              _elem.removeClass(_textfieldClass).off(_eventsNs);
  
              $(document).off(_eventsNs + this.uuid);
  
              this._monthPickerMenu.remove();
  
              var _button = this._monthPickerButton.off(click);
              if (this._removeOldBtn) {
                  _button.remove();
              }
  
              this._validationMessage.remove();
  
              if (_openedInstance === this) {
                _openedInstance = null;
              }
          }