socket.io npm
// npm i socket.io
const http = require('http')
const express = require('express')
const socketio = require('socket.io')
const app = express()
const server = http.createServer(app)
const io = socketio(server)
const port = process.env.PORT || 3000
server.listen(port, () => {
console.log(`Server is up on port ${port}!`)
})how to install socket.io to node js
$ npm install socket.iocreate a web server node js w socket.io
var app = require('express')();
var http = require('http').createServer(app);
var io = require('socket.io')(http);
app.get('/', (req, res) => {
// Ran when a GET request to path '/'
res.sendFile(__dirname + '/index.html');
});
io.on('connection', (socket) => {
// Ran when a socket connected
});
http.listen(3000, () => {
// Ran when server is ready to take requestes
});how to run socket.io server
const express = require("express");
const http = require("http");
const socketIo = require("socket.io");
const port = process.env.PORT || 8001;
const index = require("./routes/index");
const app = express();
app.use(index);
const server = http.createServer(app);
const io = socketIo(server); // < Interesting!
const getApiAndEmit = "TODO";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');});Copyright © 2021 Codeinu
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