We’re obsessed with helping you reach your aha! moments.
Our text sections help you master the “why” behind React concepts and include fun, interactive visuals you can play with.
Give it a try.
Have you ever wished you could “grind Leetcode” for a bunch of React practice problems?
No? Oh, well we built it anyway. You’ll know you’ve mastered React if you can get through all 60.
Test yourself (it’s an easy one) 👉
These aren’t lazy screencasts filmed in someone’s guest bedroom.
We spent an uncomfortable amount of time making sure each video is worth your attention.
Here’s a sneak preview.
We built useHooks — a popular OSS library of 50 reusable custom React hooks.
You’ll solidify your skills by rebuilding it. Yes, all 50.
Want to know the secret to feeling confident in a React interview?
Know more about React than the person interviewing you. This course, along with its 50+ interview question deep dives will get you there.
In which of the following scenarios would you reach for useEffectEvent?
The purpose of useSyncExternalStore is to _.
True or false: React guarantees the code inside useLayoutEffect and any state updates scheduled inside it will be processed before the browser repaints the screen?
React has evolved a lot in the last few years, and it shows no signs of slowing down.
We’ll walk you through all the latest features like server components, suspense, and concurrent rendering, while keeping you updated as new stuff comes out.
The limited private beta begins this summer.
For exclusive discounts, previews, and some fun surprises, drop your email below.
ui.dev is Tyler, Alex, Ben, & Lynn