What are the best practices for using event listeners in JavaScript?

What are the best practices for using event listeners in JavaScript?

Some best practices include using event delegation, removing listeners when not needed, and keeping functions small.

Can you explain event delegation?

Event delegation is a technique where you attach a single event listener to a parent element instead of multiple listeners to child elements.

Why is it important to remove event listeners?

Removing event listeners helps prevent memory leaks and ensures that your application runs efficiently.

What are some common mistakes to avoid with event listeners?

Common mistakes include not using passive listeners for scroll events and attaching listeners in loops without proper cleanup.