Paracetamol.js💊| #208: Explica este código JavaScript

const one = () => {
  return new Promise((resolve, reject) => {
    setTimeout(() => {
      resolve("one")
    },5000)
  })
}

const two = () => {
  return new Promise((resolve, reject) => {
    setTimeout(() => {
      reject(new Error("Error!"))
    }, 2000)
  })
}

const res = () => {
  return Promise.allSettled([one(), two()])
}

res()
  .then(x => console.log(x))
  .catch(err => console.log(err))

[
  {status: "fulfilled", value: "one"},
  {status: "rejected", reason: "Error!"}
]

[
  {status: "fulfilled", value: "one"},
  {status: "fulfilled", value: "two"}
]