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

FileWriter class

1. Properties
2. error
3. length
4. onAbort
5. onError
6. onProgress
7. onWrite
8. onWriteEnd
9. onWriteStart
10. position
11. readyState
12. hashCode
13. on
14. runtimeType
15. Methods
16. abort
17. seek
18. truncate
19. write
20. addEventListener
21. dispatchEvent
22. noSuchMethod
23. removeEventListener
24. toString
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;