1. Dart
2. dart:html
3. IntersectionObserver
4. unobserve method

##### 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

# unobserve method Null safety

void unobserve (

1. Element target

)

## Implementation

    void unobserve(Element target) native;