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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>春节倒计时</title>
<style type="text/css">
.a{width: 1000px;
height:800px;
margin: 0 auto;
margin-top: 30px;
background-image:url(images/20190121.jpg);
}
</style>
<script src="https://code.jquery.com/jquery-3.1.1.min.js"></script>
<script type="text/javascript">
$(function(){
function Ro(){
var d=Date.parse("Feb 05,2019");
var date=new Date();
var dd=date.getTime();
var rd=Math.floor((d-dd)/1000);
var days=Math.floor(rd/86400);
var hours=Math.floor(rd%86400/3600);
var minus=Math.floor(rd%3600/60);
var secos=Math.floor(rd%60);
$("span").text(days+"天"+hours+"小时"+minus+"分钟"+secos+"秒")
}
setInterval(Ro,1000);
})
</script>
<style type="text/css">
.box{margin: 0 auto;margin-top: 20px;text-align: center;}
.box{width: 280px;height: 280px;line-height: 140px;border-radius: 50%;}
.text{text-shadow: 1px 2px #5b149e;}
</style>
</head>
<body>
<div class='a'>
<div class="box text">2019年农历春节倒计时：
<div> <span ></span></div>
</div>
</div>
<script>
$(function(){
console.log($('.box').css('height'))
$('.box').css('background','red')
$('.box').css({'font-weight':'bold','font-size':'19px','color':'#fff'})
$('.box').addClass('text')
})
</script>
</body>
</html>点击 "运行实例" 按钮查看在线实例
