1. Dart
2. dart:html
3. MutationEvent
4. attrChange property

##### MutationEvent class

1. Properties
2. attrChange
3. attrName
4. bubbles
5. cancelable
6. composed
7. currentTarget
8. defaultPrevented
9. eventPhase
10. hashCode
11. isTrusted
12. matchingTarget
13. newValue
14. path
15. prevValue
16. relatedNode
17. runtimeType
18. target
19. timeStamp
20. type
21. Methods
22. composedPath
23. initMutationEvent
24. noSuchMethod
25. preventDefault
26. stopImmediatePropagation
27. stopPropagation
28. toString
29. Operators
30. operator ==
31. Constants
32. ADDITION
33. MODIFICATION
34. REMOVAL

description

# attrChange property Null safety

int? attrChange

## Implementation

    int? get attrChange native;