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Challenge: Build a Note-Taking App with Advanced Hooks

Explore how to build a note-taking app with React 19 by implementing advanced hooks such as useReducer for state management, useCallback and useMemo for performance optimization, useRef for managing focus, and a custom hook for localStorage persistence. This lesson guides you through creating a smooth, responsive UI that persists data and handles dynamic user interactions efficiently.

Problem statement

You need to build a note-taking app that allows users to:

  • Add, delete, and search notes.

  • Persist notes to localStorage so they survive page reloads.

  • Optimize re-renders using useMemo and useCallback.

  • Display total note count and ...