getTime()方法可返回距 1970 年 1 月 1 日之间的毫秒 function getShenyu() { let today = new Date(); let haomiao = today.getTime(); let wsj = new Date('2022-11-11'); let wsjhaomiao = wsj.getTime(); let wait = wsjhaomiao - haomiao; let day = parseInt(wait / 1000 / 60 / 60 / 24); let hours = parseInt(wait / 1000 / 60 / 60 % 24); let min = parseInt(wait / 1000 / 60 % 60); let sec = parseInt(wait / 1000 % 60)； let str = '双11距离现在还有' + day + '天' + hours + '小时' + min + '分钟' + sec + '秒'; let timedom = document.getElementById('time'); timedom.innerHTML = str; } setInterval(getShenyu,1000)；
