W3School TIY
编辑您的代码：
<html> <body> <img src="../i/eg_planets.gif" width="145" height="126" usemap="#planetmap" /> <map name="planetmap"> <area id="venus" shape="circle" coords="124,58,8" alt="Venus" href="../example/hdom/venus.html-id=venus.htm" /> </map> <p>Query string part of Venus' link-URL: <script type="text/javascript"> x=document.getElementById('venus') document.write(x.search) </script> </p> </body> </html>
查看结果: