main.js

const fetchPromise1 = fetch('https://mdn.github.io/learning-area/javascript/apis/fetching-data/can-store/products.json');
const fetchPromise2 = fetch('https://mdn.github.io/learning-area/javascript/apis/fetching-data/can-store/not-found');
const fetchPromise3 = fetch('bad-scheme://mdn.github.io/learning-area/javascript/oojs/json/superheroes.json');

Promise.any([fetchPromise1, fetchPromise2, fetchPromise3])
  .then( responses => {
    for (const response of responses) {
      console.log(`${response.url}: ${response.status}`);
    }
  })
  .catch( error => {
    console.error(`Failed to fetch: ${error}`)
  });

  
  function alarm(person, delay) {
    return new Promise((resolve, reject) => {
      if (delay < 0) {
        throw new Error('Alarm delay must not be negative');
      }
      window.setTimeout(() => {
        resolve(`Wake up, ${person}!`);
      }, delay);
    });
  }