React Introduction - React Tutorial

What is React?

React is a JavaScript library created by Facebook for building user interfaces. It’s especially useful for single-page applications that need to efficiently update and render as data changes.

Key Concepts

JSX: A syntax that looks like HTML but it’s used within JavaScript to describe the UI.
Components: The basic building blocks of React applications. Can be either class-based or functional.
State: An object that holds data that can change over time.
Props: Short for properties, props are used to pass data from one component to another.

Advantages

Declarative: Makes it easy to design interactive UIs.
Component-Based: Promotes reusable code and better maintenance by breaking the UI into smaller, manageable pieces.
Virtual DOM: Enhances performance by only updating the parts of the DOM that need to change.

Getting Started

Install React using npm:

   npm install react

Create your first component:

   import React from 'react';

   function Welcome() {
     return <h1>Hello, World!</h1>;
   }

   export default Welcome;