Learn Reactjs Online (Beginner and Advanced Course)

Introduction to Reactjs

• What is Reactjs?
• History and Evolution of React
• Reactjs Ecosystem and Community
• Advantages of Using Reactjs
• Overview of Single Page Applications (SPA)
• Real-world Use Cases and Success Stories
• Setting Up the Development Environment

Beginner Level

Getting Started with Reactjs

• Understanding Components
• JSX: JavaScript XML
• Creating Your First React Component
• Props and State
• Lifecycle Methods
• Handling Events

Fundamentals of React

• Components and Props
• State Management
• Conditional Rendering
• Lists and Keys
• Composition vs Inheritance
• Basic Styling and CSS in React

React Developer Tools

• Introduction to React Developer Tools
• Debugging React Apps
• Performance Profiling

Forms and User Input

• Controlled vs Uncontrolled Components
• Form Handling
• Lifting State Up
• Validation and Error Handling

Introduction to Hooks

• Understanding Hooks
• useState and useEffect Hooks
• Custom Hooks
• Rules of Hooks

Routing in React

• Setting Up React Router
• Route Configuration
• Navigating with React Router
• Route Parameters
• Nested Routes

State Management Patterns and Libraries

• Context API
• Using Reducers with useReducer
• Introduction to Redux
• Connecting Redux to React Components

Unit Testing in React

• Why Test React Components?
• Testing Libraries and Tools (Jest and React Testing Library)
• Writing Basic Test Cases

Advanced Level

Advanced Component Patterns

• Higher-Order Components (HOCs)
• Render Props
• Compound Components
• React Children and Cloning

Advanced Hooks

• useRef and useLayoutEffect Hooks
• Custom Hook Recipes
• Optimizing Hook Performance

Advanced State Management

• Redux Middleware
• Thunk and Saga for Asynchronous Actions
• Normalizing State Shape
• Selector Patterns with Reselect

Performance Optimization

• Profiling Components
• React.memo and PureComponent
• useMemo and useCallback Hooks
• Code Splitting and Lazy Loading

React and TypeScript

• Why TypeScript with React?
• Typing Components and Props
• Type-Checking Hooks
• Setting up TypeScript with React

Internationalization and Accessibility

• Internationalizing React Applications
• Accessibility in React
• Best Practices for Accessible Web Applications

React Patterns and Best Practices

• File and Directory Structure
• Component Design Principles
• Application State Design
• Error Boundaries and Error Handling

Working with APIs

• Fetching Data with Axios and Fetch
• Working with RESTful APIs
• GraphQL Integration with Apollo Client

React in Production

• Environment Variables and Build Modes
• Build and Deployment Process
• Continuous Integration/Continuous Deployment (CI/CD)
• Server-Side Rendering (SSR) with Next.js

Beyond React

• Introduction to State Management Libraries (MobX, Recoil)
• The Role of React Native in Mobile Development
• Exploring the React Ecosystem (Gatsby, RedwoodJS)
• Looking Forward: The Future of React and the Web

Conclusion and Resources

• Best Practices Recap
• Roadmap for Further Learning
• Community and Support Resources
• Official Documentation and Tutorials