1. Dart
2. dart:html
3. IntersectionObserver
4. root property

##### IntersectionObserver class

1. Constructors
2. IntersectionObserver
3. Properties
4. hashCode
5. root
6. rootMargin
7. runtimeType
8. thresholds
9. Methods
10. disconnect
11. noSuchMethod
12. observe
13. takeRecords
14. toString
15. unobserve
16. Operators
17. operator ==

description

# root property Null safety

Element? root

## Implementation

    Element? get root native;