<!doctype html>
<title>unload IDL attribute</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="log"></div>
<script>
var iframe;
var t = async_test();
onload = function() {
  setTimeout(function() {
    var iframe = document.getElementsByTagName("iframe")[0];
    iframe.src="about:blank";
  }, 100)
}
</script>
<iframe src="009-1.html"></iframe>