元旦倒计时代码分享

<style>
.HotDate{
	width:100%;
	color: #d99c3b;
	font-size: 2rem;
	font-weight:bold;
	background: radial-gradient( circle, rgba(119, 13, 13, 0.92) 64%, rgba(0, 0, 0, 0.6) 100% );
	padding:20px 0;
	text-align:center;
	border-radius:5px;
}
</style>
<div id="CountMsg" class="HotDate">
<span id="t_d">00天</span>
<span id="t_h">00时</span>
<span id="t_m">00分</span>
<span id="t_s">00秒</span>
</div>
<script type="text/javascript">
function getRTime(){
var EndTime= new Date('2021/1/1 00:00:00'); //截止时间
var NowTime = new Date();
var t =EndTime.getTime() - NowTime.getTime();
  
var d=Math.floor(t/1000/60/60/24);
var h=Math.floor(t/1000/60/60%24);
var m=Math.floor(t/1000/60%60);
var s=Math.floor(t/1000%60);
  
document.getElementById("t_d").innerHTML = d + "天";
document.getElementById("t_h").innerHTML = h + "时";
document.getElementById("t_m").innerHTML = m + "分";
document.getElementById("t_s").innerHTML = s + "秒";
}
setInterval(getRTime,1000);
</script>