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nodetut.js
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nodetut.js
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const app = require('express')();
const http = require('http').Server(app);
const io = require('socket.io')(http);
const request = require('request');
var express = require('express');
var path = require('path');
users = [];
connections = [];
http.listen(3000);
console.log("server running");
app.get('/', function(req, res){
res.sendFile(__dirname + '/test.html');
});
io.on('connection', function(socket) { //when a connection is made
connections.push(socket);
console.log("a new connection has been made. There are now %s sockets connected.", connections.length);
socket.on('disconnect', (data) => {
connections.splice(connections.indexOf(socket), 1);
console.log("Disconnected. There are now %s sockets connected.", connections.length);
});
socket.on('Add', (nums) => {
let totalNum = parseInt(nums.firstNum) + parseInt(nums.secondNum);
socket.emit('addedHTML', totalNum);
});
});