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Event Delegation Implementation Examples

Can event delegation handle clicks on nested elements inside list items?

The answer

Yes. Use e.target.closest('li') to find the list item even if the click was on a span or button inside it. closest() traverses up from e.target to find the matching ancestor.

More FAQs in Event Delegation Implementation Examples

Add one listener on the ul: ul.addEventListener('click', e => { if (e.target.matches('.list-item')) handle(e.target); }). Check e.target to determine which item was clicked. Works for dynamic items.

When the click is on a child (like a button inside a row), use e.target.closest('tr') to find the relevant parent: const row = e.target.closest('tr'); if (row) handle(row). This finds the nearest ancestor matching the selector.

Add one listener on the list: list.addEventListener('click', e => { if (e.target.matches('.delete-btn')) e.target.closest('li').remove(); }). New items with delete buttons work automatically without adding new listeners.

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