Watch me code: a chat app in node.js
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In this video, I start to build a chat application with Node.js and WebSockets, and I explain what I'm doing along the way. By the end, I get the WebSocket connection working, and clients talking to each other. CSS, usernames, and joining rooms are all not implemented yet.
Topics covered:
Making a Node app from scratch, using NPM
Using a WebSocket to communicate w/ JSON messages
Using express.js and the express-ws library
Using the networking pane in the Chrome debugger
Full index with links:
• Watch me code: a chat app in node.js - Intro
• Watch me code: a chat app in node.js - Explaining the chat app with a diagram
• Watch me code: a chat app in node.js - Setting up a new node project from scratch
• Watch me code: a chat app in node.js - Running "npm init" to create a project - package.json
• Watch me code: a chat app in node.js - Doing some planning, talking about the first "vertical slice"
• Watch me code: a chat app in node.js - Creating an express.js endpoint
• Watch me code: a chat app in node.js - Brief explanation of CORS, see https://en.wikipedia.org/wiki/Cross-o... for more info
• Watch me code: a chat app in node.js - Making a basic frontend
• Watch me code: a chat app in node.js - Hooking up a WebSocket between frontend and backend
• Watch me code: a chat app in node.js - Setting up express-ws library
• Watch me code: a chat app in node.js - Initiating the WebSocket connection from the frontend
• Watch me code: a chat app in node.js - A few words on prototyping
• Watch me code: a chat app in node.js - The Network pane in Chrome debugging tools
• Watch me code: a chat app in node.js - Creating an input box so the user can type a message
• Watch me code: a chat app in node.js - Displaying the message that comes back from the server
• Watch me code: a chat app in node.js - Sending a JSON message over a WebSocket instead of raw text
• Watch me code: a chat app in node.js - Broadcasting messages from the server to all clients, so clients can chat with eachother
• Watch me code: a chat app in node.js - outro
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