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

##### IntersectionObserver class

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

# unobserve method

void unobserve (Element target)

## Implementation

    void unobserve(Element target) native;