1. Dart
2. dart:html
3. MediaRecorder
4. onError property

MediaRecorder class

1. Constructors
2. MediaRecorder
3. Properties
4. audioBitsPerSecond
5. mimeType
6. onError
7. onPause
8. state
9. stream
10. videoBitsPerSecond
11. hashCode
12. on
13. runtimeType
14. Methods
15. pause
16. requestData
17. resume
18. start
19. stop
20. addEventListener
21. dispatchEvent
22. noSuchMethod
23. removeEventListener
24. toString
25. Operators
26. operator ==
27. Static methods
28. isTypeSupported
29. Constants
30. errorEvent
31. pauseEvent

Stream<Event> get onError => errorEvent.forTarget(this);