Function onEach

onEach<T>(collection, eventType, callback): IHandle
Listens for an event on each item in a collection.
Type Parameters
- T extends Evented
Parameters
- collection: Collection<T>
  The collection of items to watch.
- eventType: string
  The event type to listen for.
- callback: ChangeEventCallback<T>
  The callback to invoke.
Returns IHandle