What are memory leaks in event handling?

What are memory leaks in event handling?

Memory leaks in event handling occur when event listeners are not properly removed, causing unused objects to remain in memory.

How can I prevent memory leaks in my JavaScript code?

To prevent memory leaks, ensure you remove event listeners when they are no longer needed, especially in single-page applications.

Can you give me an example of a memory leak in an event handler?

Sure! If you add an event listener to a DOM element and never remove it when the element is removed from the DOM, it can cause a memory leak.

What tools can I use to detect memory leaks?

You can use browser developer tools like Chrome's Memory panel or tools like Node.js's heapdump to detect memory leaks.