源代码:
<!DOCTYPE html> <html> <body> <img src ="/statics/images/course/planets.gif" width="145" height="126" alt="Planets" usemap ="#planetmap"> <map name="planetmap"> <area shape="rect" coords="0,0,82,126" href="sun.htm" alt="Sun"> <area shape="circle" coords="90,58,3" href="mercur.htm" alt="Mercury"> <area shape="circle" coords="124,58,8" href="venus.htm" alt="Venus"> </map> <p><a href="http://www.wfuyu.com/javascript">JavaScript Tutorial</a></p> <p>Number of areas/links: <script> document.write(document.links.length); </script></p> </body> </html>
运行结果：