51help TIY
码：
<html> <body> <img id="planets" src="../i/eg_planets.jpg" tppabs="http://www.51help.tk/i/eg_planets.jpg" usemap="#planetmap" /> <map name="planetmap"> <area shape="circle" coords="180,139,14" href ="../example/html/venus.html" tppabs="http://www.51help.tk/example/html/venus.html" target ="_blank" alt="Venus" /> </map> <p>映射吗？ <script type="text/javascript"> x=document.getElementById('planets'); document.write(x.isMap); </script> </p> </body> </html>
查看结果: