ingElement');
</script>

<script id=replaceChild>
  let replace = document.createElement('div');
  testing.expectEqual(true, link.replaceChild(replace, insertBefore) !== undefined);
</script>

<script id=NODE_TYPE>
  testing.expectEqual(1, Node.ELEMENT_NODE);
  testing.expectEqual(2, Node.ATTRIBUTE_NODE);
  testing.expectEqual(3, Node.TEXT_NODE);
  testing.expectEqual(4, Node.CDATA_SECTION_NODE);
  testing.expectEqual(7, Node.PROCESSING_INSTRUCTION_NODE);
  testing.expectEqual(8, Node.COMMENT_NODE);
  testi