Promise.any() — JS Technical Interview Questions & Answers
Resolves as soon as any promise fulfills.
Promise.any()
- Promise.any() (js) is a JS topic. In plain words you use it for GET /api/marks in the browser. Don’t start with a slogan — start with that picture.
- Smallest example: fetch + await + try/catch. Type it, run it, and say what you see. If you can do that from memory, you know Promise.any() (js).
- From the example next to this theory: Resolves as soon as any promise fulfills.
- Trap: no catch → silent fail. Fix that before you talk about advanced JS.
- Viva: what is Promise.any() (js)? Then show fetch + await + try/catch. Then name the trap.
Technical Interview Tip: What is Promise.any() (js)? Show this: fetch + await + try/catch. Trap: no catch → silent fail.
Code Examples for Promise.any()
Promise.any() — working example
function delay(ms, value) {
return new Promise((resolve) => setTimeout(() => resolve(value), ms));
}
async function run() {
const a = await delay(20, "A");
const all = await Promise.all([delay(10, 1), delay(10, 2)]);
console.log(a, all);
}
run();Promise.any() — promises represent future values; async/await is sugar. Promise.all waits for every success.
How to Explain Promise.any() to an Interviewer
What is Promise.any() (js)?
Used for GET /api/marks the browser Not just the heading
Give one small example of Promise.any() (js).
fetch + await + try/catch Resolves as soon as any promise fulfills
What mistake do beginners make with Promise.any() (js)?
no catch → silent fail Show the fix
Where do you use Promise.any() (js)?
the browser GET /api/marks