1. Dart
2. dart:html
3. IntersectionObserver
4. observe 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 ==

# observe method

void observe (Element target)

## Implementation

    void observe(Element target) native;