Getting Started with Socket.io

This tutorial covers setting up WebSocket support in a Node.js application using the Socket.IO library. It begins with an introduction to WebSockets and the benefits of real-time communication. The video then guides through installing Socket.IO, refactoring existing code to support WebSockets, and configuring both server and client-side components. The tutorial concludes with testing the WebSocket connection to ensure successful communication between the server and client.

What is the significance of the 'server' variable in the context of Socket.IO?

What will happen if the server is not connected to the client?

How do you set up the client-side Socket.IO library in your HTML?

What is the purpose of the 'chat.js' file in the public directory?