React JS Tutorial

 

1. Introduction to React

• What is React?
• Why use React? (Advantages over other frameworks)
• Key concepts: Components, JSX, Virtual DOM
• Setting up a React environment using Create React App

2. React Components

• Functional components vs Class components
• Component structure and rendering
• Props (Properties) and PropTypes
• State and setState
• Lifecycle methods (Class Components)
• Functional components with Hooks

3. JSX (JavaScript XML)

• Embedding expressions in JSX
• JSX Syntax and Rules
• Conditional rendering in JSX
• JSX rendering arrays and lists

4. State Management

• Understanding State
• Passing data between components (Parent to Child, Child to Parent)
• Lifting state up
• Managing complex state

5. Event Handling in React

• Handling events with JSX
• Synthetic events
• Binding event handlers in Class components
• Passing arguments to event handlers

6. React Hooks

• Introduction to Hooks
• useState, useEffect
• useContext for context API
• Custom Hooks
• Other hooks (useRef, useMemo, useCallback)

7. React Router

• Introduction to React Router
• Setting up routes
• Route parameters
• Nested routes
• Link, NavLink, Redirect
• Programmatic navigation

8. Forms and Input Handling

• Controlled vs Uncontrolled components
• Form submission handling
• Validating form inputs
• Handling multiple inputs

9. State Management with Context API

• Context API Overview
• Creating context
• Using useContext Hook for state management
• Sharing state globally across components

10. State Management with Redux (Optional)

• Introduction to Redux
• Setting up Redux store
• Actions, Reducers, and Dispatch
• Connecting Redux to React components
• Middleware and async actions with Redux Thunk

11. React Component Styling

• Inline styles in React
• CSS stylesheets
• CSS Modules
• Styled-components (CSS-in-JS)
• Tailwind CSS with React

12. API Integration

• Fetching data from APIs using fetch or axios
• Handling Promises and Async/Await
• Displaying API data in components
• Error handling in API calls

13. Error Boundaries

• Introduction to Error Boundaries
• Catching errors in component trees
• Using componentDidCatch

14. Performance Optimization

• Avoiding unnecessary re-renders
• Memoization (React.memo, useMemo, useCallback)
• Lazy loading components (React.lazy and Suspense)
• Code splitting with dynamic imports

15. Testing React Applications

• Unit testing with Jest and Enzyme/React Testing Library
• Snapshot testing
• Testing components and hooks
• Mocking API calls in tests

16. Deploying React Applications

• Building for production
• Deploying on services like Netlify, Vercel, GitHub Pages
• Optimizing React apps for performance

17. Advanced Concepts (Optional)

• React Server-Side Rendering (SSR) with Next.js
• Static Site Generation (SSG)
• Progressive Web Apps (PWA) with React
• React Native (for mobile apps)

18. Project Work