In order to get the effect we are looking for, when a message is posted Socket.IO must emit a message to the frontend. Something like Slack, HipChat, or Discord. We want this to work for a volume of users and maybe allow for groupings and other features. Emit Socket.IO MessageĮmit a message to the frontend when a new message is posted. If you are able to see a user connected in the terminal then everything is working as expected. With Socket.IO installed and server.js updated, setup the frontend to establish a connection with the server using Socket.IO: Save the following to server.js: const express = require('express') Ĭonsole.log(`Listening on port $`) Ĭreate an Express web server that hosts the static index.html file. With the project setup as a Node.JS app, install Express using the following command: npm i express -s Note: At this point, package.json should include the following. Next, run the following command to setup the project as a Node.JS application: npm init -y Touch index.html & echo 'hello' > index.html Setup Static SiteĬreate basic HTML file and setup the Express server.īegin by creating a new project directory.Ĭreate a basic HTML file using the following command: Here is a link to a demo and the source code. Enables realtime, bi-directional communication between web clients and servers. Socket.IO - JavaScript library for realtime web applications. We will be using Node.JS as the environment for our chat app.Įxpress - Minimal and flexible Node.JS web application framework. Node.JS - JavaScript runtime environment that runs on the V8 engine that has an event-driven architecture capable of asynchronous I/O. Marques Robinson on Tutorial from LinkedIn Learning course on Node.JS learning path. Chat App with Socket.IO and Express using Node.JS Chat App with Socket.IO and Express using Node.JS
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