![]() ![]() For simplicity's sake, we will incorporate both our styles and JavaScript code in this file. This is a basic file that sets up the markup for our chatbox and input form. Let's create index.html to serve as the file we get from the server. You can run the server right now by doing either npm run start or node index.js, however since we haven't started on index.html, nothing will happen. We are using express to serve up a static index.html file to the browser whenever it detects a GET request at the root ( /), and then telling our server to listen to the port we defined. ![]() With these few lines of code, we are doing quite a number of things. ![]() Create a file called index.js and put this in it: import express from "express" Now let's create a file for Node to run as our server. Install express by running this command: npm install -save express After that finishes running, you will be left with a file called package.json. Navigate to that folder and initialize a new project by running npm initįeel free to enter in whatever information you'd like. Setting Up ExpressĬreate a folder anywhere you'd like to serve as the root directory for your app. If you don't have them installed, follow our how to install Node guide.īeing familiar with HTML and CSS helps but is not needed as both will be provided with no changes needed. If you need a refresher, check out our class on JavaScript. Full chat including joining and leaving.īefore we dive in, make sure you meet the prerequisites for this tutorial: Prerequisites Here is a look at the finished app: Socket.io running on our Express-powered Node app. Our chat app will support custom usernames, join and leave messages, and of course the messages themselves, all in real-time. In this tutorial, we will be learning how to build a simple real-time chat application using Node, Express, and Socket.io. ![]()
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