<!DOCTYPE html> <script> if (window.testRunner) testRunner.dumpAsText(); </script> <style> ul.menu li:first-letter { color: green; } </style> <p>Test passes if it does not CRASH with --run-layout-test.</p> <div contenteditable> <ul class="menu"> <li>Appetizers</li> </ul> </div> <script> print("TEST"); var iframe = document.createElement('iframe'); iframe.src = window.location; document.body.appendChild(iframe); if (window.parent !== window) window.parent.document.querySelector('iframe').remove() </script>