index property

int? get index

Implementation

int? get index {
  final selectElement = _selectElement;
  if (selectElement == null) {
    return null;
  }
  final siblings = selectElement.options;
  var i = 0;
  for (var sibling in siblings) {
    if (identical(sibling, this)) {
      return i;
    }
    i++;
  }
  return null;
}