JavaScript · Async JavaScript

Promise.race()

Settles with the first promise to fulfil or reject. Useful for timeouts.

javascriptRunnable example javascript course

Syntax

Promise.race(tasks)

Example

Try it

Promise.race([
  new Promise(resolve => setTimeout(() => resolve("slow"), 30)),
  new Promise(resolve => setTimeout(() => resolve("fast"), 5)),
]).then(value => console.log(value));

Learn this in the course

Reference pages are the quick answer. The course explains the why, shows the full example and ends with a challenge.

Open the course

Promise.race()

Example

More in this group

Learn this in the course