socket io nodejs
const express = require('express');const app = express();const http = require('http');const server = http.createServer(app);const { Server } = require("socket.io");const io = new Server(server);app.get('/', (req, res) => { res.sendFile(__dirname + '/index.html');});io.on('connection', (socket) => { console.log('a user connected');});server.listen(3000, () => { console.log('listening on *:3000');});socket 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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