how to install socket.io to node js
$ npm install socket.iohow to install socket.io to node js
$ npm install socket.iosocket io express
const app = require("express")();const httpServer = require("http").createServer(app);const options = { /* ... */ };const io = require("socket.io")(httpServer, options);io.on("connection", socket => { /* ... */ });httpServer.listen(3000);// WARNING !!! app.listen(3000); will not work here, as it creates a new HTTP serverCopyright © 2021 Codeinu
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