Skill Topic · Cinematic

📘 Node.js — WebSockets & Real-time

Real-time communication — client aur server ke beech instant data flow! ⚡

Topic 1

📌 1. WebSockets Kya Hain?

🌐 ` ┌──────────────────────────────────────────────────────────────────────┐ │ HTTP vs…

Topic 2

💻 bash npm install express socket.io Server Setup `javascript // ═══ server.js —…

Topic 3

🖥️ ` ┌──────────────────────────────────────────────────────────────┐ │ Socket.IO Event…

Topic 4

📱 `javascript // ═══ Rooms — Groups me divide karo ═══ io.on('connection', (socket) => { //…

Topic 5

🔗 `javascript // ═══ Namespaces — Alag alag channels ═══ // Default namespace: io =…

Topic 6

🎨 `javascript // ═══ Socket.IO Middleware — Authentication ═══ const jwt =…

Topic 7

⚡ `javascript // ═══ server.js — Full Chat App ═══ const express = require('express');…

Topic 8

🔒 `javascript // ═══ Client-side — Error handling + reconnection ═══ const socket =…

Topic 9

🌐 KEY POINTS: - WebSocket = full-duplex, persistent connection — dono sides se data flow -…

Quick Quiz

📘 Node.js — WebSockets & Real-time ka sabse sahi definition kya hai?

Complete! 🎉

Aliens School · HIEN · Cinematic Knowledge

✅