W3School TIY
编辑您的代码：
<html> <head> <base id="myBaseId" href="../htmldom/index.htm" /> </head> <body> <a href="../i/eg_landscape.jpg">HTML DOM</a> <p>Base URL: <script type="text/javascript"> x=document.getElementById('myBaseId'); document.write(x.href); </script></p> </body> </html>
查看结果: