源代碼
點擊運行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>教程</title> </head> <body> <img id="compman" src="/images/logo.png" longdesc="description.htm" alt="Computerman" width="107" height="98"> <br> <p>longdesc屬性的值為: <script> var x=document.getElementById("compman"); document.write(document.getElementById("compman").longDesc); </script> </p> </body> </html>
運行結果