: var http = require('http'); var server = http.createServer(function(req, res) { res.writeHead(200, {'Content-Type': 'text/plain'}); res.end('High performance web application built with Node.js\n'); …
: const express = require('express'); const app = express(); // Set up a route handler for the root path app.get('/', (req, res) => { res.send('Hello World!'); }); // Start the server on port 3000 app…