| 1432 | const isRadioInput = el => |
| 1433 | el instanceof HTMLInputElement && el.type === 'radio'; |
| 1434 | const isLabelElement = el => el instanceof HTMLLabelElement; |
| 1435 | const isSpanElement = el => el instanceof HTMLSpanElement; |
| 1436 | |
| 1437 | self._getOptionsArray = function () { |