<head>
<title>study 019</title>
</head>
<body>
<p>with语句测试<br>
<script language="JavaScript" type="text/javascript">
with(new Date())
{
document.write(getYear() + "年" + (getMonth() + 1) + "月" + getDate() + "日");
}
</script>
</p>
</body>
</html>
https://www.bilibili.com/video/BV1k8411575T/?vd_source=d68ed178f151e80fea1e02efd205802c