const http = require('http');
// Create an HTTP server
const server = http.createServer((req, res) => {
    // Set the response HTTP header with HTTP status and Content type
    res.writeHead(200, { 'Content-Type': 'text/plain' });
    // Get the URL path
    const path = req.url;
    // Respond with different messages based on the URL path
    if (path === '/') {
        res.end('Hello, Node.js!');
    } else if (path === '/about') {
        res.end('About Us');
    } else if (path === '/contact') {
        res.end('Contact Us');
    } else {
        res.writeHead(404, { 'Content-Type': 'text/plain' });
        res.end('404 Not Found');
    }
});
// The server listens on port 3000
server.listen(3000, () => {
    console.log('Server running at http://localhost:3000/');
});