1. Dart
2. dart:html
3. Entry
4. isDirectory property

Entry class

1. Properties
2. filesystem
3. fullPath
4. isDirectory
5. isFile
6. name
7. hashCode
8. runtimeType
9. Methods
10. copyTo
11. getMetadata
12. getParent
13. moveTo
14. remove
15. toUrl
16. noSuchMethod
17. toString
18. Operators
19. operator ==

bool get isDirectory native;