<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<script src='jquery-1.8.3.min.js'></script>
<style type="text/css">
div{width: 150px;
height: 50px;
background: black;
margin: 100px auto;}
p{color: white;}
</style>
</head>
<body>
<div>
<p>时间:<span id='minute'>01</span>分<span id='second'>59</span>秒</p>
</div>
<body>
<script>
var minute='01';
var second='59';
var time;
function aa (){
if (minute>=0) {
second--;
if(second==00){
second=59;
minute--;
}if(second<10){
second="0"+second
}
$('#minute').text(minute);
$('#second').text(second);
}
}
setInterval(aa,1000);
</script>
</html>在学python之前学了一段时间的html,没有怎么做笔记.今天作了一个两分钟的倒计时.
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转载自blog.csdn.net/weixin_42067855/article/details/80093374
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