1. Dart
2. dart:html
3. FileWriter
4. truncate method

FileWriter class

1. Properties
2. error
3. hashCode
4. length
5. on
6. onAbort
7. onError
8. onProgress
9. onWrite
10. onWriteEnd
11. onWriteStart
12. position
13. readyState
14. runtimeType
15. Methods
16. abort
17. addEventListener
18. dispatchEvent
19. noSuchMethod
20. removeEventListener
21. seek
22. toString
23. truncate
24. write
25. Operators
26. operator ==
27. Constants
28. abortEvent
29. DONE
30. errorEvent
31. INIT
32. progressEvent
33. writeEndEvent
34. writeEvent
35. writeStartEvent
36. WRITING

void truncate(int size) native;