Add a Smooth Cursor Trail Effect with Vanilla JavaScript

In this video, you’ll learn how to create a smooth cursor trail effect using pure JavaScript.

This fun animation adds little elements that follow your mouse movement, creating a cool trailing effect.

It’s a perfect project for beginners and a great way to practice working with events, animations, and dynamic DOM elements.

💻 Built from scratch with Vanilla JavaScript — no libraries needed!

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🌍 Source code: https://keepsnip.com/source/javascript-cursor-trail-effect