2621-sleep

DevGod

Vtuber

Caution

DevGod needs to write an editorial for this problem!

js

/**
 * @param {number} millis
 */

async function sleep(millis) {
    return new Promise(resolve => setTimeout(resolve, millis));
}

/**
 * let t = Date.now()
 * sleep(100).then(() => console.log(Date.now() - t)) // 100
 */