Тип данных ResizeObserverCallback

ResizeObserverCallback = void Function(Список entries, ResizeObserver observer)

Реализация

typedef void ResizeObserverCallback(List entries, ResizeObserver observer);

© 2012 the Dart project authors
Licensed under the BSD 3-Clause "New" or "Revised" License.
https://api.dart.dev/stable/2.18.5/dart-html/ResizeObserverCallback.html