例子：
<html>
<head>
<style type="text/css">
div.one
{
height:300px
writing-mode: tb-rl
}
</style>
</head>
<body>
<div class="one">Some text. Right-to-left direction111111111111.</div>
</body>
</html>
将class 放到<td>中，去掉<div>和</div>即可<html>
<head>
<title>HTML表格中竖排文字问题</title>
<style type="text/css">
<!--.tnt {Writing-mode:tb-rlText-align:leftfont-size:20pt}-->
</style>
</head>
<body>
<table border="1" width="300" height="600" style="color:red">
<tr height="300">
<td>
<div class="tnt">我爱中国</div>
</td>
</tr>
<tr>
<td class="tnt">
我爱中国
</td>
</tr>
</table>
</body>
</html>
![JS数组[2, 5, 2, 5, 10, 12],如何循环打印 （2, 5, 10, 12） 不要打印重复的值，这个循环怎么写。](/aiimages/JS%E6%95%B0%E7%BB%84%5B2%2C+5%2C+2%2C+5%2C+10%2C+12%5D%2C%E5%A6%82%E4%BD%95%E5%BE%AA%E7%8E%AF%E6%89%93%E5%8D%B0+%EF%BC%882%2C+5%2C+10%2C+12%EF%BC%89+%E4%B8%8D%E8%A6%81%E6%89%93%E5%8D%B0%E9%87%8D%E5%A4%8D%E7%9A%84%E5%80%BC%EF%BC%8C%E8%BF%99%E4%B8%AA%E5%BE%AA%E7%8E%AF%E6%80%8E%E4%B9%88%E5%86%99%E3%80%82.png)
