React.js Introduction

React.js ek open-source JavaScript library hai jo user interfaces (UI) banane ke liye use hoti hai. Yeh Facebook dwara develop ki gayi thi aur ab ek popular frontend library hai.

React.js Ke Features

• Component-Based Architecture
• Virtual DOM for better performance
• One-Way Data Binding
• Easy to learn and use
• Supports JSX (JavaScript XML)

React.js Basic Example

Niche diya gaya code React ka ek simple example hai jo ek functional component dikhata hai:

            
import React from 'react';
import ReactDOM from 'react-dom';

function App() {
    return (
        
Hello, React!
    );
}

ReactDOM.render(, document.getElementById('root'));
            
        

React.js Ko Shuru Karne Ke Tarike

• CDN ke through include karna (small projects ke liye)
• Create React App (CRA) ka use karna
• Vite ya Next.js jaise frameworks ka use karna