1. Dart
2. dart:html
3. Blob
4. slice method

Blob class

1. Constructors
2. Blob
3. Properties
4. size
5. type
6. hashCode
7. runtimeType
8. Methods
9. slice
10. noSuchMethod
11. toString
12. Operators
13. operator ==

Blob slice([int start, int end, String contentType]) native;