1. Dart
2. dart:html
3. ResizeObserver
4. ResizeObserver factory constructor

##### ResizeObserver class

1. Constructors
2. ResizeObserver
3. Properties
4. hashCode
5. runtimeType
6. Methods
7. disconnect
8. observe
9. unobserve
10. noSuchMethod
11. toString
12. Operators
13. operator ==

# ResizeObserver constructor

ResizeObserver(ResizeObserverCallback callback)

## Implementation

    factory ResizeObserver(ResizeObserverCallback callback) {
      return ResizeObserver._create_1(callback);
    }