1. Dart
2. dart:html
3. IntersectionObserverEntry
4. intersectionRect property

IntersectionObserverEntry class

1. Properties
2. boundingClientRect
3. hashCode
4. intersectionRatio
5. intersectionRect
6. isIntersecting
7. rootBounds
8. runtimeType
9. target
10. time
11. Methods
12. noSuchMethod
13. toString
14. Operators
15. operator ==

DomRectReadOnly get intersectionRect native;