node-express-chat

Node.js and Socket.io make full-duplex communication easy (full 2-way, like a cell phone conversation)

Links

• Demo
• Source

Requirements

• A browser (e.g., Chrome)
• A text editor (e.g., VS Code)

Responsive Style

• Tachyons

Benefits

• Still no build tools needed
• Node.js non-blocking event loop supports many concurrent requests
• Socket.io makes full duplex communication easy

Prerequisites

• node-server
• node-express-app

Install Dependencies

Open PowerShell here as admin and run:

npm install

Start your Server

Open PowerShell here as admin and start your app with nodemon:

npm run dev

Open a Browser Client

1. Open a web browser.
2. Go to the URL: http://127.0.0.1:3003/ or http://localhost:3003/.

Find Your IP Address

Open PowerShell as Admin, run ipconfig. Locate your IPv4 address. Invite others to interact with your hosted chat app.

Terms

• full duplex
• hoisting
• npm install
• npx fixpack
• Socket.io

Reference

• Create Simple Chat App Using Node.js, Express, and Socket.io

See Also

• More App Examples
• fixpack - auto-organize package.json