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chromium/third_party/blink/web_tests/fast/dom/htmlcollection-namedItem.html 

<!DOCTYPE html>
<html>
<head>
<script src="../../resources/js-test.js"> </script>
</head>
<body>
<p>HTMLCollection namedItem Method</p>
<pre id="console"></pre>
<script type="text/javascript">
var form = document.createElement('form');
document.body.appendChild(form);
shouldBeNull('form.elements.namedItem("any")');
successfullyParsed = true;
</script>
</body>
</html>