关于时间戳
<script>
var date = new Date();
console.log(date.valueOf());
console.log(date.getTime());
var date1 = +new Date();
console.log(date1);
console.log(Date.now());
</script>
格式化日期 时分秒
<script>
var date = new Date();
console.log(date.getHours());
console.log(date.getMinutes());
console.log(date.getSeconds());
function getTimer() {
var time = new Date();
var h = time.getHours();
h = h < 10 ? '0' + h : h;
var m = time.getMinutes();
m = m < 10 ? '0' + m : m;
var s = time.getSeconds();
s = s < 10 ? '0' + s : s;
return h + ':' + m + ':' + s;
}
console.log(getTimer());
</script>
倒计时
<script>
function countDown(time) {
var nowTime = +new Date();
var inputTime = +new Date(time);
var times = (inputTime - 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('2019-5-1 18:00:00'));
var date = new Date();
console.log(date);
</script>
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