Event Listeners in JavaScript

EventsES6 Features

addEventListener is the modern way to attach event handlers. It's flexible: you can add multiple listeners to the same event, remove them later, and control event behavior precisely.

Adding Listeners

Removing Listeners

Store the function reference to remove later.

Event Delegation

Attach one listener to a parent and handle events from children – great for dynamic content.

preventDefault and stopPropagation

Quick Quiz

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