倒计时
function countDown(time) { var nowTime = +new Date(); var futureTime = +new Date(time); var times = (futureTime - nowTime) / 1000; var d = parseInt(times / 60 / 60 / 24); d = d < 10 ? '0' + d : d; var h = parseInt(times / 60 / 60 % 24); h = h < 10 ? '0' + h : h; var m = parseInt(times / 60 % 60); m = m < 10 ? '0' + m : m; var s = parseInt(times % 60); s = s < 10 ? '0' + s : s; return d + '天' + h + '时' + m + '分' + s + '秒'; } console.log(countDown('2020-04-02 23:20:00'));
当前时间
<body>
<div id="Date"></div>
<script type="text/javascript">
setInterval(function(){
var date = new Date();
var year = date.getFullYear(); //获取当前年份
var mon = date.getMonth()+1; //获取当前月份
var da = date.getDate(); //获取当前日
var day = date.getDay(); //获取当前星期几
var h = date.getHours(); //获取小时
var m = date.getMinutes(); //获取分钟
var s = date.getSeconds(); //获取秒
var d = document.getElementById('Date');
d.innerHTML='当前时间:'+year+'年'+mon+'月'+da+'日'+'星期'+day+' '+h+':'+m+':'+s;
},1000)
</script>