1. Dart
2. dart:html
3. ScrollState
4. velocityY property

##### ScrollState class

1. Constructors
2. ScrollState
3. Properties
4. deltaGranularity
5. deltaX
6. deltaY
7. fromUserInput
8. hashCode
9. inInertialPhase
10. isBeginning
11. isDirectManipulation
12. isEnding
13. positionX
14. positionY
15. runtimeType
16. velocityX
17. velocityY
18. Methods
19. consumeDelta
20. distributeToScrollChainDescendant
21. noSuchMethod
22. toString
23. Operators
24. operator ==

description

# velocityY property Null safety

num? velocityY

## Implementation

    num? get velocityY native;