callback - Async, Await

const a = () => {
  return new Promise(resolve => {
    setTimeout(() => {
      console.log(1)
      resolve()
    }, 1000)
  })
}

const b = () => console.log(2)

//a().then(() => b())

const fun1 = async () => {
  await a(); //async내 사용 필
  b();
}
fun1();