2621. Sleep

Given a positive integer millis, write an asyncronous function that sleeps for millis milliseconds. It can resolve any value.

Input: millis = 100
Output: 100
Explanation: It should return a promise that resolves after 100ms.
let t = Date.now();
sleep(100).then(() => {
  console.log(Date.now() - t); // 100
});

Example 2

Input: millis = 200
Output: 200
Explanation: It should return a promise that resolves after 200ms.

Approach

In this problem, sleep()whatever function or some logics should be called after given amount of millie seconds.

By, using Promise function we can have the function sleep() asynchronous. after this sleep() with then() chain later logic will be called.

How i Solved the Problem

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

async function sleep(millis) {
  // resolve will the the later logic with then() chian
  return await new Promise((resolve) => setTimeout(resolve, millis));
}

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