<!doctype html>
<html class="a A">
<head>
<title>document.getElementsByClassName(): case sensitive</title>
<script src="resources/common.js"></script>
</head>
<body class="a a">
<p id="r">FAIL (script did not run)</p>
<script> t(document.getElementsByClassName("A a"), [document.documentElement]) </script>
</body>
</html>