Level Up Your React Skills with Typescript

<p>We've just released a new full-length tutorial on the freeCodeCamp.org YouTube channel that will teach you how to use TypeScript with React.</p> <p>If you’ve been building React apps but feeling like you’re missing a layer of safety and clarity, this is the course for you. You will learn how to refactor a real-world project to be fully type-safe, more readable, and significantly easier to maintain.</p> <p>In this tutorial, Rachel Johnson walks you through the entire process, including:</p> <ul> <li><p>Refresher on Vanilla TypeScript: A quick warm-up to get you back in the mindset.</p> </li> <li><p>Typing <code>useState</code>: Moving from inferred types to explicit, foolproof state management.</p> </li> <li><p>Component Architecture: How to define custom prop types, handle functional component returns, and keep your code modular.</p> </li> <li><p>Function Props: Mastering the common pattern of passing callbacks between components with confidence.</p> </li> </ul> <p>By the end, you’ll have a foundational understanding of how TypeScript fits into a modern React workflow, helping you catch bugs before they even reach your browser.</p> <p>Watch the full course <a href="https://youtu.be/aJP1AbZSqz8">on the freeCodeCamp.org YouTube channel</a> (1-hour watch).</p> <div class="embed-wrapper"><iframe width="560" height="315" src="https://www.youtube.com/embed/aJP1AbZSqz8" style="aspect-ratio: 16 / 9; width: 100%; height: auto;" title="YouTube video player" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen="" loading="lazy"></iframe></div>