<html>
<head>
<style>
set, frameset, * { columns: 1 1px }
</style>
<script>
if (window.testRunner)
    testRunner.dumpAsText();
function boomz() {
try { var a = document.createRange(); } catch(e) { }
try { a.setEndBefore(b); } catch(e) { }
try { var c = a.extractContents(); } catch(e) { }
}
</script>
</head>
<body onload=boomz()>
<audio id="x" controls=""></audio>
<ol id="b" style="-webkit-column-span: all;"></ol>
</body>
</html>