1. Dart
2. dart:html
3. PresentationAvailability
4. value property

PresentationAvailability class

1. Properties
2. hashCode
3. on
4. onChange
5. runtimeType
6. value
7. Methods
8. addEventListener
9. dispatchEvent
10. noSuchMethod
11. removeEventListener
12. toString
13. Operators
14. operator ==
15. Constants
16. changeEvent

bool get value native;