Day 4: Build a Real-Time Chat App Using Node.js and WebSockets

Welcome to Day 4 of our Daily Node.js Challenges series! Today, we’ll tackle something exciting and practical: building a real-time chat application. Real-time apps like chat systems, live notifications, or collaborative tools are powered by technologies like WebSockets, which enable instant communication between a server and clients.

By the end of this tutorial, you’ll have a fully functional chat app built from scratch using Node.js and WebSocket. Let’s get started!

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