1. Properties
  2. angle
  3. hashCode
  4. on
  5. onChange
  6. runtimeType
  7. type
  8. Methods
  9. addEventListener
  10. dispatchEvent
  11. lock
  12. noSuchMethod
  13. removeEventListener
  14. toString
  15. unlock
  16. Operators
  17. operator ==
  18. Constants
  19. changeEvent