Make multiple fetch request with Promise.all & async await.

promise-async-await.js

const userUrls = [
  'https://api.github.com/users/justinwhall',
  'https://api.github.com/users/codeprokid',
  'https://api.github.com/users/jasonbahl',
];

/**
 * OPTION (A) Make multiple fetch request with Prmoise.all & async await.
 */
const getUsers = async () => {
  return await Promise.all(
    userUrls.map(async user => {
      const userRes = await fetch(user);
      return await userRes.json();
    })
  );
};

getUsers().then(data => console.log(data));


/**
 * OPTION (B) Using just promise all
 */
const getUsers = () => {
  const requests = userUrls.map(req => fetch(req));
  return Promise.all(requests).then(res => Promise.all(res.map(r => r.json())));
};

getUsers().then(data => console.log(data));