Events

addEventListener, the event object, bubbling and delegation.

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1. 00:00Events. addEventListener, the event object, bubbling and delegation.
2. 00:05Try it yourself — edit the sample and run it in the browser.
3. 00:10Events bubble from the target up to the document.
4. 00:15Delegation uses that: attach one listener on a parent instead of hundreds on children.

Events bubble from the target up to the document. Delegation uses that: attach one listener on a parent instead of hundreds on children.