async forEach

asyncForEach.js

async function asyncForEach(array, callback) {
  for (let index = 0; index < array.length; index++) {
    await callback(array[index], index, array);
  }
}
                                           
const start = async () => {
  await asyncForEach([1, 2, 3], async (num) => {
    await waitFor(50);
    console.log(num);
  });
  console.log('Done');
}

start();
    
$ node asyncForEach.js
$ 1
$ 2
$ 3
$ Done