forEachBug.js

(async () => {
  const itterations = Array.from({length: 4});
  console.log('starting');


  itterations.map(async (_, i) => {
    await wait(300);
    console.log(`itteration done ${i}`);
  });

  await wait(100);
  console.log('finishing');
})();

function wait(tm = 0) {
  return new Promise(resolve =>
    setTimeout(resolve, tm)
  );
}