In today’s web design world, dark mode and theme toggles are a must-have. In this tutorial, you’ll learn how to create a light/dark theme toggle using JavaScript. We’ll guide you through toggling CSS classes, storing user preferences in local storage, and applying smooth transitions for a polished effect. This is a great project for improving your DOM and event handling skills while adding a professional touch to your website. Your users will love the ability to personalize the look and feel of your site.