jquery倒计时定时器
<!DOCTYPE html>
<html >
<head>
<meta charset="UTF-8">
<title>Title</title>
<script src="../js/jquery.min.js"></script>
<style>
.active{font-size:16px;color:#ffffff;
background: #000000;padding:10px;}
</style>
</head>
<body>
数字从1变化到10：<div );
};
</script>