options property
List<OptionElement> optionsSource
List<OptionElement> get options {
  var options = this.querySelectorAll<OptionElement>('option');
  return new UnmodifiableListView(options.toList());
}
    © 2012 the Dart project authors
Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
    https://api.dartlang.org/stable/1.24.3/dart-html/SelectElement/options.html