51help TIY
码：
<html> <body> <code>Computer code</code> <br /> <kbd>Keyboard input</kbd> <br /> <tt>Teletype text</tt> <br /> <samp>Sample text</samp> <br /> <var>Computer variable</var> <br /> <p> <b>注释：</b>算机/ </p> </body> </html>
查看结果: