1. Dart
2. dart:html
3. File
4. lastModified property

File class

1. Constructors
2. File
3. Properties
4. hashCode
5. lastModified
6. lastModifiedDate
7. name
8. relativePath
9. runtimeType
10. size
11. type
12. Methods
13. noSuchMethod
14. slice
15. toString
16. Operators
17. operator ==

int get lastModified native;