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Delegated Event Handler (M)
Implement delegate(root, eventType, selector, handler, options?) with advanced event delegation. Requirements: 1) Attach one event listener to root. 2) When an event fires, find the closest ancestor of event.target (including itself) that matches selector. 3) Only call handler(event, matchedElement) if the match is within root.…
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Delegated Event Handler (M): Implement delegate(root, eventType, selector, handler, options?) with advanced event delegation. Requirements: 1) Attach one event listener to root. 2) When an event fires, find…. Expect dom and events decisions under hard level constraints.
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