sleep [睡觉]

延迟执行异步功能。

延迟执行一部分 async 功能，让它入睡，返回 Promise.

typescript

const sleep = (ms: number) => new Promise((resolve) => setTimeout(resolve, ms));

typescript

async function sleepyWork() {
  console.log("I'm going to sleep for 1 second.");
  await sleep(1000);
  console.log("I woke up after 1 second.");
}