下面的JS代碼通過document.links獲取網頁中的所有超級鏈接，從而獲得超鏈接的數量
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 <!DOCTYPE html> <html> <body> <img src ="planets.gif" width="145" height="126" alt="Planets" usemap ="#planetmap"> <map name="planetmap"> <area shape="rect" coords="0,0,78,125" href="sun.htm" alt="Sun"> <area shape="circle" coords="88,60,5" href="mercury.htm" alt="Mercury"> <area shape="circle" coords="125,60,9" href="venus.htm" alt="Venus"> </map> <p><a href="/js/">JavaScript Tutorial</a></p> <p>Number of areas/links: <script> document.write(document.links.length); </script></p> </body> </html>運行結果如下：
1 Number of areas/links: 4