async_loop.js

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

(async () => {
  let storyIDs = await hn.getStories({storyType: 'top'});
  
  // Using for loop (runs in series)
  for (let itemID of storyIDs) {
    let details = await hn.getItem({itemID});
    console.log(details);
  }
  
  // Using Promise.all (runs concurrently)
  let detailSet = await Promise.all(storyIDs.map(itemID => hn.getItem({itemID})));
  detailSet.forEach(console.log);
})();