socket.io를 이용한 데이터 전송 (양방향)
sever.js const http = require('http'); const express = require('express'); const app = express(); const cors = require('cors'); const socketio = require('socket.io'); // public 폴더 static 설정 app.use(express.static(__dirname + '/public')); app.get("/", (req, res)=> { res.end("Hello Nodejs World") }); const server = http.createServer(app); server.listen(3000, ()=>{ console.log("run on Server : http..
