​x
 
<html>
<body>
​
<iframe src="/example/hdom/frame_a.html" id="frame1" longdesc="/example/hdom/frame_description.html"></iframe>
<br />
​
<script type="text/javascript">
x=document.getElementById("frame1");
document.write("Description for frame contents: ");
document.write('<a href="' + x.longDesc + '">Description</a>');
</script>
​
</body>
</html>
​