What authority fields does the URL parser print?

What authority fields does the URL parser print?

const target = new URL('https://[email protected]:8443/data');
console.log(target.hostname);
console.log(target.port);
console.log(target.username);

1. 127.0.0.1, then 8443, then api.example
2. api.example, then 8443, then an empty string
3. [email protected], then 8443, then an empty string