定时器 Promise API
¥Timers Promises API
timers/promises API 提供了一组可返回 Promise 对象的可供选择的定时器函数。API 可通过 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');