1. Dart
2. dart:indexed_db
3. Transaction
4. onError property

##### Transaction class

1. Properties
2. completed
3. db
4. error
5. hashCode
6. mode
7. objectStoreNames
8. on
9. onAbort
10. onComplete
11. onError
12. runtimeType
13. Methods
14. abort
15. addEventListener
16. dispatchEvent
17. noSuchMethod
18. objectStore
19. removeEventListener
20. toString
21. Operators
22. operator ==
23. Constants
24. abortEvent
25. completeEvent
26. errorEvent

description

# onError property Null safety

Stream<Event> onError

Stream of `error` events handled by this Transaction.

## Implementation

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