← Questions

Find bugs and slow renders in a React app

0
MetaCodingLast asked Aug 2025

You get a small React codebase with several bugs and performance problems. Find and fix them: unnecessary re-renders, event listeners that are never cleaned up, and similar issues. Explain how you found each one (profiler, reading the code) and what memoization or restructuring fixes it.

Write and test your solution herePython in your browser, the question's tests level by level, saved for you.Sign in to start coding