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<!DOCTYPE html> <html> <body> <img src ="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="../html/default.html">HTML</a><br> <a href="../css/default.html">CSS</a> </p> <p>Click the button to display the number of links in the document.</p> <button onclick="myFunction()">Try it</button> <p id="demo"></p> <script> function myFunction() { var x = document.links.length; document.getElementById("demo").innerHTML = x; } </script> </body> </html>