1. Dart
2. dart:html
3. Animation
4. finished property

Animation class

1. Constructors
2. Animation
3. Properties
4. currentTime
5. effect
6. finished
7. id
8. onCancel
9. onFinish
10. playbackRate
11. playState
12. ready
13. startTime
14. timeline
15. hashCode
16. on
17. runtimeType
18. Methods
19. cancel
20. finish
21. pause
22. play
23. reverse
24. addEventListener
25. dispatchEvent
26. noSuchMethod
27. removeEventListener
28. toString
29. Operators
30. operator ==
31. Static properties
32. supported
33. Constants
34. cancelEvent
35. finishEvent

Future<Animation> get finished =>
    promiseToFuture<Animation>(JS("", "#.finished", this));