Master React Through Real-World Challenges
Write React and TypeScript in a full Monaco editor with IntelliSense, autocomplete, and optional Vim mode.
Run your code against a real Node + Jest server — the same setup you’d face in production and technical interviews.
Last challenges
#55
45min
Simple pagination
In a time where we delegate repetitive tasks to AI, writing simple code like this manually every now and then keeps us sharp. This challenge is a plain fetch with pagination and manual loading and error handling — exactly what so many job interviews ask for, and the kind of thing we forget if we don't practice it once in a while.
ddduseStateuseEffectfetching
Simple, transparent pricing
Limited-time offer: enjoy reduced pricing while there are fewer than 100 challenges!
monthly plan
$9/month
Billed monthly
- 1Full access to 50+ challenges across all levels
- 2New challenges added every week
- 3Exclusive advanced topics: Redux, React 19, compound components
- 4View solutions and learn from working code
annual plan
$5/month
Billed $60yearly
save 44%!
- 1Full access to 50+ challenges across all levels
- 2New challenges added every week
- 3Exclusive advanced topics: Redux, React 19, compound components
- 4View solutions and learn from working code
quarterly plan
$7/month
Billed $21quarterly
save 22%!
- 1Full access to 50+ challenges across all levels
- 2New challenges added every week
- 3Exclusive advanced topics: Redux, React 19, compound components
- 4View solutions and learn from working code
FREE
- 1Start solving free coding challenges
- 2All challenges include TypeScript and pre-styled layouts
- 3Code editor with optional Vim mode
- 4Run and test your code instantly in the browser