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Introduction

Introduce what React.js is, its popularity, and why beginners should learn it.

1. What is React.js?

• Definition: Explain React.js as a JavaScript library for building user
  interfaces, primarily for single-page applications.

• Beautifull touch by facebook (now our meta);

1. Why Learn React.js?

• Popularity and Demand: Mention its widespread use in the industry.

• Performance: Touch on its efficient rendering with the virtual DOM.

Friends 🍟 we can stope theory && startup with React JS

1. Setting Up Your Environment

Make sure installed Node js in your system

npx create-react-app my-first-react-app
cd my-first-react-app
npm start

1. Start By our Favor Hello World;

You can start editing from App.js file (sub main of a main file which is Index.js);

// src/App.js
import React from 'react';

function App() {
  return (
    <div className="App">
      <h1>Hello, World!</h1>
    </div>
  );
}

export default App;

Happy Coding;

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