<ul><li>WebSockets are the go-to technology for real-time web applications.</li><li>This tutorial demonstrates how to create a multi-room chat server with user presence using Node.js and the ws library.</li><li>The project features multiple chat rooms, real-time user join/leave notifications, broadcasting messages to specific rooms only, and tracking and syncing online users per room.</li><li>The tutorial provides step-by-step instructions for setting up the project and includes sample code for the WebSocket server and a client HTML page.</li></ul>

Building a Multi-Room WebSocket Chat Server with User Presence in Node.js

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