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site iconJosh Comeau

A frontend web developer who publishes tutorials and articles about topics like React, CSS, JavaScript, animation and performance.
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A Friendly Introduction to Container Queries

2024-11-04 21:15:00

It’s been a couple of years since container queries started landing in browsers… so why isn’t anyone using them? It turns out that container queries are kinda tricky; they’re not as straightforward as media queries. In this tutorial, we’ll break it all down and make sense of them, so that you can start using them in your work.



How I Built My Blog

2024-09-24 20:15:00

I recently launched a brand new version of this blog, and in this post, I share how it’s built! We’ll examine the tech stack and see how all of the pieces fit together, as well as dig into some of the details to see how they work.



The Undeniable Utility Of CSS :has

2024-09-09 21:15:00

Of all the latest and greatest CSS features, the “:has” pseudo-class wasn’t exactly at the top of my wishlist. Once I started using it, however, I kept discovering incredible things I could do with it. It’s now become a core part of my toolkit! In this blog post, I'll show you some practical real-world problems I solved using “:has”, as well as some wild experiments that blew my mind!



Promises From The Ground Up

2024-06-03 21:30:00

The “Promises” API is a surprisingly tricky part of modern JavaScript. Without the right context, it doesn’t make much sense at all! In this tutorial, you’ll build an intuition for how Promises work by getting a deeper understanding of JavaScript and its limitations.



Snappy UI Optimization with useDeferredValue

2024-05-13 19:00:00

useDeferredValue is one of the most underrated React hooks. It allows us to dramatically improve the performance of our applications in certain contexts. I recently used it to solve a gnarly performance problem on this blog, and in this tutorial, I'll show you how! ⚡