By the end of this course, learners will be able to analyze the architecture of a real-time chat application, implement server-side logic using Node.js, construct and style a client-side interface with HTML and CSS, manage user input and validation, and apply foundational networking and socket programming concepts to enable real-time communication.

Analyze and Build a Real-Time Chat App with Node.js

Recommended experience
What you'll learn
Analyze the architecture and workflow of a real-time chat application.
Implement server-side logic and real-time communication using Node.js and sockets.
Build and style a client interface and manage user input for interactive messaging.
Details to know

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February 2026
9 assignments
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There are 3 modules in this course
This module introduces learners to the fundamental concepts required to build a basic chat application using JavaScript and Node.js. It explains the overall architecture of a real-time chat system, including client–server communication using sockets, and guides learners through creating the initial server and client setup. Learners also explore how HTML and CSS are used to construct and style the chat interface for usability.
What's included
4 videos3 assignments
This module focuses on capturing and managing user input within the chat application. Learners implement username prompting and validation logic using JavaScript, integrate user data between client and server, and execute the application to verify correct runtime behavior. The module emphasizes proper input handling and program flow in interactive applications.
What's included
5 videos3 assignments
This module extends the chat application by introducing individual user tracking, targeted message delivery, and foundational networking concepts. Learners explore real-time communication using socket programming, observe client–server message flow, and gain conceptual understanding of networking principles that support chat-based systems.
What's included
4 videos3 assignments
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