Advanced React Hooks – useMemo, useCallback & useReducer

🎯 What You’ll Learn Today
✅ Understanding Performance Optimization in React
✅ useMemo Hook – Memoizing expensive calculations
✅ useCallback Hook – Optimizing callback functions & preventing unnecessary re-renders
✅ useReducer Hook – Advanced state management (alternative to useState)
✅ Difference between useState vs useReducer (when to use which)
✅ Real-world examples & implementation in small projects