Want to go beyond built-in click and submit events? In this tutorial, you'll learn how to create custom events in JavaScript using the CustomEvent constructor and dispatchEvent() method — perfect for creating modular, reusable, and interactive components.

Custom events allow elements to communicate without tightly coupling your code, and they’re especially useful for advanced front-end applications and custom UI logic.

In this video, you’ll learn:

What are custom events in JavaScript?

How to use new CustomEvent() to create a custom event

How to trigger it using dispatchEvent()

How to listen for custom events using addEventListener()

Real examples of custom event usage in interactive components

Bonus: how to pass custom data using the detail property

This video is perfect for JavaScript learners, intermediate devs, and anyone building dynamic front-end experiences using plain JavaScript or frameworks.

Check out our full JavaScript Tutorials Playlist to deepen your understanding of the DOM and events.

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