1. Dart
2. dart:html
3. History
4. length property

##### History class

1. Properties
2. hashCode
3. length
4. runtimeType
5. scrollRestoration
6. state
7. Methods
8. back
9. forward
10. go
11. noSuchMethod
12. pushState
13. replaceState
14. toString
15. Operators
16. operator ==
17. Static properties
18. supportsState

description

# length property Null safety

int length

## Implementation

    int get length native;