Answers for "socket.io on"

socket..io

<script src="https://cdn.socket.io/socket.io-3.0.1.min.js"></script>

socket.io

var app = require('express')();
var http = require('http').Server(app);

app.get('/', function(req, res) {
   res.sendFile('index.html');
});

http.listen(3000, function() {
   console.log('listening on *:3000');
});