源代碼
點擊運行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>教程</title> </head> <body> <p><a id="func" rel="friend" href="http://www.functravel.com/">優惠航班</a></p> <script> document.write("當前文檔和鏈接的文檔之間的關系: "); document.write(document.getElementById("func").rel); </script> </body> </html>
運行結果