What you'll learn

Understand the fundamentals of WebSockets and real-time communication.
Set up a backend server with WebSockets for live chat functionality.
Implement a dynamic front-end interface for seamless user interaction.
Add advanced features like message history, and notifications.
Deploy your chat application and optimize it for real-world use.

Requirements

Basic knowledge of jаvascript and Node.js.
Familiarity with front-end development (HTML, CSS, jаvascript frameworks).
Understanding of HTTP and client-server communication.
Paid DigitalOcean Account if wants to implement deployment[Optional]

Description

Want to create a WhatsApp-style real-time chat application? This hands-on course will teach you how to build a fully functional live chat app using Node.js, WebSockets, and Express. You'll learn the fundamentals of real-time communication and how to implement a scalable, interactive chat system from backend setup to frontend features.

What you'll learn

:1. Understanding Live Chat & WebSocketsReal-Time Communication Explained – Discover how real-time data exchange works and why WebSockets outperform traditional HTTP polling.WebSockets vs. HTTP Polling – Learn the key differences and how WebSockets optimize performance for instant messaging.Project

Overview

& Tech Stack – Get familiar with Node.js, Express, WebSockets, and frontend technologies for building a seamless chat experience.2. Backend Development: Setting Up WebSocketsConfiguring a WebSocket Server – Set up a WebSocket server with Node.js and Express.Client-Server Communication – Establish bidirectional real-time data transfer between clients and the server.Managing User Connections – Implement logic for handling multiple users, tracking active connections, and managing disconnections.Basic Messaging System – Enable real-time text-based messaging between users.3. Enhancing Features & DeploymentBuilding a Responsive UI – Design an interactive and user-friendly chat interface.Storing Messages – Implement chat history persistence using memory storage.Typing Indicators & Notifications – Improve the user experience with real-time feedback mechanisms.Security & Authentication – Protect user data with authentication and security best practices.Deploying Your Chat App – Learn how to host your application on a cloud platform for public access.

Who this course is for

Developers interested in building real-time applications with WebSockets.
Beginners looking to gain hands-on experience with live chat app development.
Front-end or back-end developers wanting to integrate WebSockets into their projects.
Homepage:

https://www.udemy.com/course/learn-to-build-live-chat-app-with-websocket/