async-await.js

function myPromise () {
  return new Promise((resolve) => {
    setTimeout(() => {
      console.log('fourth a');
      resolve('fourth b');
    }, 200);
  });
}

async function second () {
  console.log('second')
  const foo = await myPromise();
  console.log(foo)
  console.log('fifth');
}

console.log('first')
second();
console.log('third');