optimized.js

let hn = require('@datafire/hacker_news').create();

(async () => {

  let users = await Promise.all([
    hn.getUser({username: 'sama'}),
    hn.getUser({username: 'pg'}),
  ]);

  let [more, less] = users.sort((a, b) => b.karma - a.karma);
  console.log(`${more.id} has more karma (${more.karma}) than ${less.id} (${less.karma})`);

})();