<!--
setInterval(function() { postMessage(new Date()) }, 10)
/*
-->
<!doctype html>
<title>001-1</title>
<script>
onload = function() {
  var worker = new Worker('#');
  worker.onmessage = function(e) {
    var started = !!parent.date;
    parent.date = e.data;
    if (!started) {
      parent.start_test()
    }
  }
}
</script>
<a href='data:text/html,<title>foo</title><script>onload=function(){parent.after_load()}</script>'>link</a>
<!--
*/
//-->