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Delegated Event Handler (E)
Implement delegate(root, eventType, selector, handler) for event delegation. Requirements: 1) Attach one event listener to root. 2) When an event fires, if event.target (or one of its ancestors up to root) matches selector, call handler(event, matchedElement). 3) Return a cleanup function that removes the listener.…
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Delegated Event Handler (E): Implement delegate(root, eventType, selector, handler) for event delegation. Requirements: 1) Attach one event listener to root. 2) When an event fires, if event.target (or…. Expect dom and events decisions under intermediate level constraints.
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