gecko-dev/dom/html/test/test_bug555567.html

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HTML

<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=555567
-->
<head>
<title>Test for Bug 555567</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=555567">Mozilla Bug 555567</a>
<div id='content' style="display: none">
<form>
<fieldset>
<legend id="a"></legend>
</fieldset>
<legend id="b"></legend>
</form>
<legend id="c"></legend>
</div>
<pre id="test">
<p id="display"></p>
<script type="application/javascript">
/** Test for Bug 555567 **/
var a = document.getElementById('a');
var b = document.getElementById('b');
var c = document.getElementById('c');
isnot(a.form, null,
"First legend element should have a not null form IDL attribute");
is(b.form, null,
"Second legend element should have a null form IDL attribute");
is(c.form, null,
"Third legend element should have a null form IDL attribute");
</script>
</pre>
</body>
</html>