Author: Akshay Saini

WebSockets provide a persistent connection between a client and a server, enabling real-time, bidirectional communication. This makes them ideal for applications like chat, online games, and live dashboards. Socket.IO is a library that simplifies the use of WebSockets, providing fallbacks for older browsers and adding useful features like rooms and namespaces.In this blog post, we’ll walk through building a basic chat application using Node.js, Express, and Socket.IO.Prerequisites:Node.js and npm installed.Setting up the Project:Create a project directory:Bashmkdir real-time-chat cd real-time-chat Initialize a Node.js project:Bashnpm init -y Install Express and Socket.IO:Bashnpm install express socket.io Creating the Server (server.js):const express = require(‘express’); const…