⚛️ Welcome to React!

React is a powerful JavaScript library for building user interfaces. Created by Facebook, it helps you create interactive, fast, and reusable components for modern web applications with ease.


// Your first React component
function Welcome() {
  return <h1>Hello, React!</h1>;
}

Why Learn React?

🚀

Fast & Efficient

React uses a virtual DOM to update only what's needed, making your apps lightning fast.

🧩

Component-Based

Build reusable UI components that manage their own state and compose them into complex interfaces.

📱

Learn Once, Write Anywhere

Use React for web apps, mobile apps (React Native), and even desktop applications.

🌟

Popular & Supported

Used by Facebook, Instagram, Netflix, and thousands of companies worldwide with huge community support.

🔹 What You'll Learn

This tutorial covers everything you need to start building React applications:

React Basics: Components, JSX, and props
State Management: Managing data in your components
Events: Handling user interactions
Hooks: Modern React features like useState and useEffect
Routing: Creating multi-page applications
Best Practices: Writing clean, maintainable React code

🔹 Simple React Example

Here's a basic React component that displays a greeting message:

import React from 'react';

function Greeting() {
  const name = "Beginner";
  
  return (
    <div>
      <h1>Welcome to React, {name}!</h1>
      <p>Let's start building amazing apps!</p>
    </div>
  );
}

export default Greeting;

Output:

Welcome to React, Beginner!

Let's start building amazing apps!

🔹 Prerequisites

Before starting with React, you should have basic knowledge of:

HTML: Structure of web pages
CSS: Styling web pages
JavaScript: Variables, functions, arrays, and objects
ES6: Arrow functions, destructuring, and modules (helpful but not required)

🔹 How to Use This Tutorial

Follow these steps to get the most out of this React tutorial:

Read each section carefully and understand the concepts
Try the code examples in your own editor
Experiment by modifying the examples
Complete the quizzes to test your knowledge
Build small projects to practice what you've learned

React Tutorial