Analyze and Build a Real-Time Chat App with Node.js
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Analyze and Build a Real-Time Chat App with Node.js
This course is part of Build Real-World Node.js Applications and Projects Specialization
Included with
Recommended experience
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.
Skills you'll gain
Tools you'll learn
Details to know
February 2026
9 assignments
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There are 3 modules in this course
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.
This course provides a practical, case-study-driven approach to building a chat application from the ground up. Learners progress step by step through creating the server, designing the client interface, handling usernames, executing the application, and implementing individual messaging features. Core networking principles are introduced in context, allowing learners to clearly understand how client–server communication works in real-time systems. By completing this course, learners gain hands-on experience with Node.js and socket-based communication, strengthening their ability to design interactive, event-driven web applications. What makes this course unique is its focused, end-to-end implementation of a real-world chat use case, bridging conceptual understanding with practical development. This makes the course ideal for beginners and early-career developers seeking applied experience in real-time web application development.
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
4 videos•Total 23 minutes
- Introduction to Chat Using JS•4 minutes
- Create Index File Basic•6 minutes
- Create HTML Basic•5 minutes
- Add Style in HTML•7 minutes
3 assignments•Total 50 minutes
- Introduction and Project Setup•10 minutes
- HTML Structure and Styling•10 minutes
- Chat Application Foundations•30 minutes
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
5 videos•Total 25 minutes
- Prompt for Username in HTML Part 1•6 minutes
- Prompt for Username in HTML Part 2•7 minutes
- Prompt for Username in HTML Part 3•6 minutes
- Prompt for Username in Index•2 minutes
- Run of program•3 minutes
3 assignments•Total 50 minutes
- Prompt for Username in HTML•10 minutes
- Username Integration and Program Execution•10 minutes
- User Input and Application Flow•30 minutes
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
4 videos•Total 25 minutes
- Adding Individual User•6 minutes
- Individual Message Send DEMO•4 minutes
- Networking Concepts Part 1•8 minutes
- Networking Concepts Part 2•6 minutes
3 assignments•Total 50 minutes
- Latency testing is not discussed.•10 minutes
- Networking Fundamentals for Chat Applications•10 minutes
- Messaging Features and Networking Concepts•30 minutes
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