Testing React
Practice: What not to over-test
Pick three parts of a learning app that deserve tests and explain why.
Difficulty: Advanced
Your practice editor
Edit the starter code, run it, then submit it for safe code checks.
Preview runs React in a sandboxed browser frame, never on the server.
editor
preview
Preparing preview...
Ready for feedback?
Your code is checked as text and is never executed on the server.
Login to save exercise progress
You can still practice, but attempts are only saved for logged-in learners.
stuck?
Compare with the solution
Try the task first. Then reveal the solution and compare it with your code.