1. Dart
2. dart:web_audio
3. AudioNode
4. numberOfInputs property

AudioNode class

1. Properties
2. channelCount
3. channelCountMode
4. channelInterpretation
5. context
6. hashCode
7. numberOfInputs
8. numberOfOutputs
9. on
10. runtimeType
11. Methods
12. addEventListener
13. connectNode
14. connectParam
15. disconnect
16. dispatchEvent
17. noSuchMethod
18. removeEventListener
19. toString
20. Operators
21. operator ==

int get numberOfInputs native;