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