定时器 Promise API
【Timers Promises API】
timers/promises API 提供了一组返回 Promise 对象的计时器函数。该 API 可以通过 require('node:timers/promises') 访问。
【The timers/promises API provides an alternative set of timer functions
that return Promise objects. The API is accessible via
require('node:timers/promises').】
import {
setTimeout,
setImmediate,
setInterval,
} from 'node:timers/promises';const {
setTimeout,
setImmediate,
setInterval,
} = require('node:timers/promises');