Fixintermediate
35 min
Fix a Slow React Component
You're given a slow `DataTable` component that re-renders every row whenever any single cell changes. Users are complaining it lags on large datasets. Your job: identify the bottleneck using React DevTools Profiler, then fix it with `memo`, `useCallback`, and `useMemo` without changing what the component does.
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Requirements
Skills you'll use
ReactPerformancememouseCallback
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Go to lessonWhat to expect
- Difficulty
- intermediate
- Time
- 35 min
- Steps
- 6
- Type
- Fix