JavaScript定时器双11倒计时

<div id="time"></div>
    <script>

       var aim=new Date('2022/11/11')
       
       setInterval(function(){
        var date=new Date()
        var sub=Math.ceil((aim-date)/1000)
        var day=parseInt(sub/(60*60*24))
        var hour=parseInt((sub/(60*60))%24)
        var minute=parseInt((sub/60)%60)
        var seconds=sub%60
        var str="距离双11还有"+day+"天"+hour+"时"+minute+"分"+seconds+"秒"
       time.innerHTML=str
       },1000)

    </script>

运行结果：