<!doctype html>
<html>
<head>
<script>
function simulateClick() {
  var evt = new MouseEvent("click", {});
  target = document.getElementById("invalid_url_link");
  return target.dispatchEvent(evt);
}
</script>
</head>
<body>
<a href="a.a:@javascript:foo()"
   id="invalid_url_link"
   target="win">Link to invalid URL in new window</a>
</body>
</html>