<!DOCTYPE html>
<script id="script">
if (window.testRunner)
    testRunner.dumpAsText();
function runTest() {
  document.createElement("audio").load(); 
  window.stop(); 
}
let num = 0;
function eventhandler() {
  if (num < 2) {
    num++;
    script.appendChild(iframe); 
  }
  document.onreadystatechange = eventhandler;
}
</script>
<body onload=runTest()>
<iframe id="iframe" onload="eventhandler()" srcdoc="foo"></iframe>
<p>This test has PASSED if it does not CRASH.</p>
</body>