ng.expectEqual(2, content.querySelectorAll('p').length);
  testing.expectEqual('link', content.querySelectorAll('.ok').item(0).id);
</script>

<script id=createdAttributes>
  let ff = document.createAttribute('foo');
  content.setAttributeNode(ff);
  testing.expectEqual('foo', content.getAttributeNode('foo').name);
  testing.expectEqual('foo', content.removeAttributeNode(ff).name);
  testing.expectEqual(null, content.getAttributeNode('bar'));
</script>

<script id=innerHTML>
  testing.expectEqual(' And', do