1. Introduction to React.js

• What is React.js?

• Features of React

• Why use React?

• Difference between React and other frameworks (Angular, Vue)

• Setting up a React environment

• Understanding JSX

2. React Fundamentals

• Components in React (Functional vs. Class Components)

• Props and State

• Handling Events in React

• Conditional Rendering

• Lists and Keys

• Controlled vs. Uncontrolled Components

3. Styling in React

• Inline Styles

• CSS Modules

• Styled Components

• Tailwind CSS with React

• Material-UI / Bootstrap with React

4. React Hooks

• Introduction to Hooks

• useState() – Managing State

• useEffect() – Handling Side Effects

• useContext() – Context API

• useRef(), useMemo(), and useCallback()

5. React Routing

• Introduction to React Router

• Setting up React Router

• Dynamic Routing & Route Parameters

• Navigation using Link & useNavigate()

• Protected Routes & Authentication

6. Forms & Form Handling

• Working with Forms in React

• Handling Input Fields

• Form Validation using React Hook Form

• Handling Submissions & Error Handling

7. State Management in React

• Lifting State Up

• Context API for Global State

• Redux Toolkit – State Management

• Redux Thunk & Middleware

• Zustand & Recoil as Alternatives

8. Working with APIs & Fetching Data

• Fetch API & Axios

• Handling API Calls in useEffect

• Asynchronous Data Fetching

• Error Handling in API Calls

• Caching Data using React Query

9. React Performance Optimization

• Virtual DOM & Reconciliation

• Memoization with React.memo()

• useMemo() & useCallback()

• Code Splitting & Lazy Loading (React.lazy & Suspense)

10. Authentication in React

• Implementing User Authentication

• JWT Authentication

• OAuth with Google, Facebook

• Role-Based Authentication

11. React with Backend

• Connecting React with Node.js (Express.js)

• Fetching Data from MongoDB / MySQL

• Building a Full-Stack MERN App (MongoDB, Express, React, Node)

12. Testing in React

• Introduction to Testing in React

• Unit Testing with Jest

• Component Testing with React Testing Library

• End-to-End Testing with Cypress

13. Deployment & Hosting

• Building for Production

• Deploying React App on Vercel, Netlify, Firebase

• Hosting with AWS S3 & CloudFront

• CI/CD Pipelines for React Apps

14. Advanced React Topics

• Server-Side Rendering (Next.js)

• Static Site Generation (SSG) vs. Client-Side Rendering (CSR)

• WebSockets with React (Real-time apps using Socket.io)

• Microfrontends in React