1. Dart
2. dart:html
3. CompositionEvent
4. data property

##### CompositionEvent class

1. Constructors
2. CompositionEvent
3. Properties
4. bubbles
5. cancelable
6. composed
7. currentTarget
8. data
9. defaultPrevented
10. detail
11. eventPhase
12. hashCode
13. isTrusted
14. matchingTarget
15. path
16. runtimeType
17. sourceCapabilities
18. target
19. timeStamp
20. type
21. view
22. Methods
23. composedPath
24. noSuchMethod
25. preventDefault
26. stopImmediatePropagation
27. stopPropagation
28. toString
29. Operators
30. operator ==

description

# data property Null safety

String? data

## Implementation

    String? get data native;