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

##### HttpRequestEventTarget class

1. Properties
2. onAbort
3. onError
4. onLoad
5. onLoadEnd
6. onLoadStart
7. onProgress
8. onTimeout
9. hashCode
10. on
11. runtimeType
12. Methods
13. addEventListener
14. dispatchEvent
15. noSuchMethod
16. removeEventListener
17. toString
18. Operators
19. operator ==
20. Constants
21. abortEvent
22. errorEvent
23. loadEndEvent
24. loadEvent
25. loadStartEvent
26. progressEvent
27. timeoutEvent

# onError property

Stream<ProgressEvent> onError

Stream of `error` events handled by this HttpRequestEventTarget.

## Implementation

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