W3School TIY Editor
W3School 在线教程
改变方向
暗黑模式
运行代码
<html> <head> <link rev="subsection" id="link1" href="/jsref/prop_link_rev.asp" /> </head> <body> <script type="text/javascript"> x=document.getElementById("link1"); document.write("Reverse relationship: " + x.rev); document.write("<br />This page is a subsection of: "); document.write(x.href); </script> </body> </html>