nt.isConnected);

  const connDiv = document.createElement('div');
  testing.expectEqual(false, connDiv.isConnected);

  const connParentDiv = document.createElement('div');
  connParentDiv.appendChild(connDiv);
  testing.expectEqual(false, connDiv.isConnected);

  content.appendChild(connParentDiv);
  testing.expectEqual(true, connDiv.isConnected);
</script>

<script id=nodeValue>
  testing.expectEqual('comment', last_child.nodeValue);
  testing.expectEqual(null, link.nodeValue);

  let text = link.firstCh