Welcome to the official React guide for developers! 🌐
This resource covers the fundamentals, advanced patterns, and best practices of building modern web applications with React. Whether you're new to the ecosystem or looking to deepen your expertise, you'll find valuable insights here.

📦 Core Concepts

  • Components: The building blocks of React apps. Think of them as reusable functions that return JSX.

    react_component
  • JSX: A syntax extension for JavaScript that allows you to write HTML-like code within your JS.

    jsx_syntax
  • State & Props:

    • State manages data that can change over time (🧠 use useState hook)
    • Props pass data from parent to child components (📦 think of them as immutable inputs)
    state_props

🧠 Advanced Topics

🔄 Hooks

  • useState for state management
  • useEffect for side effects
  • useContext for sharing values across components
    hooks_react

📈 Performance Optimization

  • Use React.memo to memoize components
  • Implement useCallback and useMemo for memoization
  • Lazy load components with React.lazy and Suspense
    performance_optimization

📚 Resources

Need deeper understanding? Explore our React Ecosystem Guide to learn about tools and patterns that extend React's capabilities.

react_ecosystem

For interactive learning, try our React Playground to experiment with code snippets.

react_playground