| <!DOCTYPE html> | |
| <script src="../../resources/js-test.js"></script> | |
| <script> | |
| description('This tests the NonDocumentTypeChildNode interface previousElementSibling property on a DocumentType node.'); | |
| var doctype = document.doctype; | |
| shouldBeUndefined('doctype.previousElementSibling'); | |
| </script> |