React Notes

Welcome to the React Notes repository! This repository contains comprehensive notes on React, covering topics that are useful for both beginners and experienced developers. The notes are organized by sections for easy navigation, from the basics of React to advanced concepts like Redux.

Table of Contents

1. Introduction to React

   • Overview of React
   • React Ecosystem
   • Why use React?

2. Import and Exports in React

   • Importing and Exporting Components
   • ES6 Module System
   • Default vs Named Exports

3. Conditional Rendering

   • Conditional Logic in JSX
   • Ternary Operators and Short-circuit Evaluation
   • Rendering Different Components Based on State

4. Props and State

   • Passing Data with Props
   • Managing State in Components
   • Props vs. State

5. Handling Events

   • Event Handling in React
   • Synthetic Events
   • Event Binding and Performance Optimization

6. Hooks

   • Introduction to React Hooks
   • useState and useEffect
   • Custom Hooks
   • Advanced Hooks (useReducer, useMemo, useCallback)

7. React Router

   • Setting Up React Router
   • Navigation and Links
   • Route Parameters and Query Strings
   • Nested Routing

8. Forms and Input Handling

   • Controlled vs Uncontrolled Components
   • Handling User Input
   • Form Validation

9. Context API

   • Context API Overview
   • Using React.createContext()
   • Passing Data Without Prop Drilling

10. Redux

    • Introduction to Redux
    • Redux Flow (Actions, Reducers, Store)
    • Using Redux with React
    • Middleware in Redux (Redux Thunk, Redux Saga)

11. Redux Toolkit

    • Overview of Redux Toolkit
    • Slice Reducers and Actions
    • Async Thunks
    • Best Practices with Redux Toolkit

12. React Performance Optimization

    • React Memoization (React.memo, useMemo, useCallback)
    • Code Splitting and Lazy Loading
    • Optimizing Re-renders and State Management

13. Testing in React

    • Unit Testing with Jest
    • Testing React Components with React Testing Library
    • Mocking API Requests

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