【2021-07-27】如何实现 sleep 的效果

[superDCH]

No description provided.

[superDCH]

function sleep(time){
  return new Promise((resolve)=>{
     setTimeout(resolve,time)
})
}

调用:

sleep(5000).then(()=>{
    console.log('aaa')
})

[superDCH]

function sleep(ms, fn) {
  let start = Date.now();
  expire = start + ms;
  while (Date.now() < expire);
  fn();
  return;
}

调用:

sleep(5000,()=>{console.log('aaa')})