Introduction to React.js and Next.js
                     React.js with Next.js
A deep dive into building modern, dynamic web applications with React.js 
and Next.js.
Presented by : alpesh purohit
Website : alpeshconnect
.in
React.js and Next.js: 
An Introduction
Explore React.js, a JavaScript library for building user interfaces. 
Discover Next.js, a React framework for server-side rendering and 
static websites. Learn about their features, differences, and 
directory structure.
React.js: Key Features
1 Component-Based
Reusable UI components with their own state and logic.
2 Virtual DOM
Updates only parts of the UI for faster performance.
3 Declarative Syntax
Describes how the UI should look based on the state.
4 JSX
HTML-like code within JavaScript for UI components.
Next.js: Core 
FSeeravetr-uSidree Resndering
Renders pages on the server for better performance and SEO.
Static Site Generation
Pre-renders pages as static HTML at build time.
File-Based Routing
Maps file structure to URL routes automatically.
API Routes
Creates API endpoints within the project.
React vs. Next.js: Nature & Rendering
React.js Next.js
Library focused on the view layer. Framework built on React.
Client-side rendering (CSR) by default. SSR and SSG in addition to CSR.
React vs. Next.js: Routing & SEO
React.js Next.js
Routing requires libraries like React Router. File-based routing by default.
CSR may be less SEO-friendly. Improves SEO with SSR and SSG.
Next.js Project: Directory 
Structure
A typical Next.js project includes folders like public/, src/, 
components/, pages/, styles/, utils/, and hooks/. Key files include 
next.config.js and package.json.
Next.js Project: Pages 
Directory
index.js
Corresponds to the homepage (/ route).
about.js
Maps to the /about route.
_app.js
Entry point for all pages.
Quickstart: React & Next.js
React: npx create-react-app hello
Next.js: npx create-next-app@latest hello-next-app
Run Next.js: npm run dev
Access: http://localhost:3000