gecko-dev/content/events/test/bug415498-doc2.html

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HTML

<!DOCTYPE HTML>
<html>
<head>
<script type="text/javascript">
function init() {
// This will throw a NS_ERROR_DOM_WRONG_DOCUMENT_ERR exception
var doc = document.implementation.createDocument(null, 'DOC', null);
doc.documentElement.appendChild(doc);
}
onload = init;
</script>
</head>
<body>
Testcase for bug 415498. This page should show an exception in Error Console on load
</body>