Promise.race()
ES6+Returns a promise that fulfills or rejects as soon as one of the promises fulfills or rejects.
Syntax
Promise.race(iterable)Parameters
iterable Iterable An iterable of promises
Return Value
Promise
A Promise that settles with the first settled promise
Examples
JavaScript
const slow = new Promise(r => setTimeout(() => r('느림'), 500));
const fast = new Promise(r => setTimeout(() => r('빠름'), 100));
Promise.race([slow, fast])
.then(value => console.log(value));Output:
// '빠름'