<!doctype html>
<html>
<head>
<title>document.getElementsByClassName(): multiple classes</title>
<script src="resources/common.js"></script>
</head>
<body class="a b">
<p id="r">FAIL (script did not run)</p>
<script> t(document.getElementsByClassName("b\t\f\n\na\rb"), [document.body]) </script>
</body>
</html>