• What is React?
• History of React and its Ecosystem
• React vs Other JavaScript Frameworks (Vue, Angular)
• Setting Up a Development Environment
• Introduction to ES6+ JavaScript Features (Arrow Functions, Let/Const, Classes, etc.)

React Components

• Functional Components vs Class Components
• JSX: Syntax and Expressions
• Props and State: Basics
• Handling Events

State and Lifecycle

• Understanding State in React
• Component Lifecycle Methods (componentDidMount, componentDidUpdate, componentWillUnmount)
• Using State in Class and Functional Components

Props

• Passing Data with Props
• PropTypes and Default Props

Handling Events

• Event Handling in React
• Binding this in Class Components
• Event Handlers in Functional Components

React Hooks

• Introduction to Hooks
• useState and useEffect
• useContext, useReducer, useMemo, useCallback
• Custom Hooks

React Router

• Introduction to React Router
• Route Configuration
• Navigating Between Pages
• Dynamic Routing
• Protected Routes

Forms and Input Handling

• Controlled vs Uncontrolled Components
• Form Submission Handling
• Validation and Error Handling

Context API

• Global State Management with Context
• Replacing Redux with Context API (When and Why)
• Combining Context with Reducer

Redux (Optional)

• Introduction to Redux
• Actions, Reducers, and Store
• Connecting Redux with React
• Middleware (Thunk, Saga)

MobX (Optional)

• Introduction to MobX
• Observables, Actions, and Computed Values
• Integrating MobX with React

CSS Modules

• Basic CSS Styling
• CSS Modules for Scoped Styles

Styled-Components

• Introduction to Styled-Components
• Dynamic Styling with Props
• Theming with Styled-Components

Sass/Less (Optional)

• Using Sass/Less in React Projects
• • •  

Fetching Data

• Fetch API vs Axios
• Handling Promises in React
• Using useEffect for Fetching Data

Async/Await

• Simplifying Asynchronous Code with Async/Await

Handling Errors

• Error Boundaries in React
• Graceful Error Handling

Unit Testing

• Introduction to Testing in React
• Testing with Jest and React Testing Library
• Snapshot Testing

Integration Testing

• Testing Components with Mocked Data
• Testing Async Components

End-to-End Testing

• Introduction to Cypress
• Writing Basic E2E Tests

Optimizing React Performance

• Understanding React’s Reconciliation Algorithm
• Memoization Techniques (React.memo, useMemo, useCallback)
• Code Splitting and Lazy Loading

Optimizing Builds

• Production Builds with Webpack
• Analyzing Bundle Size
• Tree Shaking

Next.js

• Introduction to Server-Side Rendering (SSR)
• Static Site Generation (SSG)
• API Routes and Integrations

Gatsby.js

• Introduction to Gatsby for Static Sites
• Data Fetching with GraphQL

React Native (Optional)

• Introduction to React Native for Mobile Development
• Basic Components and Navigation
  • •  

Project Planning

• Setting Up a New React Project
• Project Structure and Best Practices

Building a Complete Application

• Implementing Authentication (Firebase, Auth0, etc.)
• Integration with RESTful APIs or GraphQL
• State Management in Large Applications

Deploying React Applications

• Deployment Strategies (Netlify, Vercel, GitHub Pages)
• Continuous Integration and Deployment (CI/CD)

TypeScript with React

• Introduction to TypeScript
• Type Safety in React Components
• Using TypeScript with Hooks, Context, and Redux

WebSockets

• Real-Time Communication with WebSockets
• Implementing WebSockets in React

Resources for Further Learning

• Recommended Books, Blogs, and Courses

Staying Updated

• Keeping Up with the React Ecosystem

Final Project Review

• Code Review and Feedback
• Preparing for Job Interviews