Avoid re-rendering in react #shorts #coding #react #frontend

Most React apps are slow because of THIS mistake 😳

Every render:
❌ Functions recreate
❌ Heavy calculations run again
❌ Child components re-render

👉 Fix it with:
useMemo → cache values
useCallback → cache functions

💡 This is how real apps scale

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Keywords:
React performance, useMemo, useCallback, avoid re-renders, frontend optimization, React interview

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#reactjs #javascript #webdevelopment #frontend #coding #programming #developer #reacthooks #performance #webdev #softwareengineer #learncoding #devtips #cleancode #react

Видео Avoid re-rendering in react #shorts #coding #react #frontend канала Muazim