请问下我歌怎么输出不了结果？谢谢各位大虾了
<!DOCTYPE HTML>
<html >
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>系好安全带,准备启航</title>
<script type="text/javascript">
//通过javascript的日期对象来得到当前的日期，并输出。
var dated=new Date();
var weekdays=["星期日"，"星期一","星期二","星期三","星期四"，"星期五","星期六"];
document.write(dated.getFullYear()+"年"+dated.getMonth()+"月"+dated.getDate()+"日"+weekdays[dated.getDay()]);
</script>
</head>
<body>
</body>
</html>
