index.js - step 3 Sending data.

index.js

const server = http.createServer((req, res) => {
    // Let store our URL and Method in a variable
    const URL = req.url;
    // Lets make something using conditionals
    if (req.url === '/') {
        // Note that we are using res.write() method and then using res.end().
        // This is mandatory if you expect your server to work fine.
        res.write('Yea! Its Working! Esoteric Knowledge!', 'utf-8', () => {
            console.log('console.log from the callback function!')
        });
      
        res.end();
    }
}).listen(PORT);