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<head>
<meta http-equiv="Content-Type" content="text/html;charset=UTF-8" />
<title>网页标题</title>
<meta name="keywords" content="关键字列表" />
<meta name="description" content="网页描述" />
<link rel="stylesheet" type="text/css" href="" />
<style type="text/css"></style>
<script type="text/javascript">
//计算从出生到现在你总共活了多少天?
//获取出生的时间戳
//获取当前的时间戳
//把这两个时间戳进行相减 将毫秒数转换天数
var yesterday = new Date("1993-7-30");
var today = new Date();
var live = (today-yesterday)/(1000*60*60*24);
document.write(Math.ceil(live));
</script>
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<body>
</body>
</html>