##### EventSource class

1. Constructors
2. EventSource
3. Properties
4. onError
5. onMessage
6. onOpen
7. readyState
8. url
9. withCredentials
10. hashCode
11. on
12. runtimeType
13. Methods
14. close
15. addEventListener
16. dispatchEvent
17. noSuchMethod
18. removeEventListener
19. toString
20. Operators
21. operator ==
22. Constants
23. CLOSED
24. CONNECTING
25. errorEvent
26. messageEvent
27. OPEN
28. openEvent

# onMessage property

Stream<MessageEvent> onMessage

Stream of `message` events handled by this EventSource.

## Implementation

    Stream<MessageEvent> get onMessage => messageEvent.forTarget(this);