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Use Case
Type: Web Application Stack
Typical Use Case: SaaS dashboards, startups
Famous Usage: Shopify

⚛️ MERN Stack

Full-Stack JavaScript Development Architecture

R

React

Frontend Library
  • Component-based UI
  • Virtual DOM rendering
  • Interactive user interfaces
↓
E

Express.js

Web Framework
  • Lightweight web framework
  • Handles API routes
  • Middleware management
↓
N

Node.js

JavaScript Runtime
  • Server-side JavaScript
  • Event-driven architecture
  • Non-blocking I/O
↓
M

MongoDB

NoSQL Database
  • JSON-like documents
  • Flexible schema
  • High scalability
Request Flow: Client Browser → React (UI) → Express API Routes → Node.js (Server Logic) → MongoDB (Data Storage) → Node.js → Express → React → Client Browser