Explica este código JavaScript
Dificultad: Intermedio
const one = () => {
return new Promise((resolve, reject) => {
setTimeout(() => {
resolve("one")
},5000)
})
}
const two = () => {
return new Promise((resolve, reject) => {
setTimeout(() => {
resolve("two")
}, 2000)
})
}
const three = () => {
return new Promise((resolve, reject) => {
setTimeout(() => {
resolve("three")
}, 0)
})
}
const res = () => {
return Promise.allSettled([one(), three(), two()])
}
res()
.then(x => console.log(x))
.catch(err => console.log(err))
- A. (después de 5s)
[{
status: "fulfilled",
value: "one"
},
{
status: "fulfilled",
value: "three"
},
{
status: "fulfilled",
value: "two"
}
}]
- B. (después de 2s)
[{
status: "fulfilled",
value: "one"
},
{
status: "fulfilled",
value: "three"
},
{
status: "fulfilled",
value: "two"
}
}]
- C. (de manera inmediata, después de 0s)
[{
status: "fulfilled",
value: "three"
}]
- D.
Promise.allSettled() no existe en Javascript
Respuesta en el primer comentario.