下面的JS代碼通過document.links獲得網頁中的所有超級鏈接數組，然後獲得第一個鏈接的ID屬性
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 <!DOCTYPE html> <html> <body> <h1>sharejs.com</h1> <img src ="planets.gif" width="145" height="126" alt="Planets" usemap ="#planetmap"> <map name="planetmap"> <area id="sun" shape="rect" coords="0,0,82,126" href="sun.htm" alt="Sun"> <area id="mercury" shape="circle" coords="90,58,3" href="mercur.htm" alt="Mercury"> <area id="venus" shape="circle" coords="124,58,8" href="venus.htm" alt="Venus"> </map> <p><a id="javascript" href="/js/">JavaScript Tutorial</a> </p> <p>Id of first area/link: <script> document.write(document.links[0].id); </script></p> </body> </html>