| <!-- quirks --> |
| <title>CSSOM scrollingElement reflects the propagated scroll to viewport correctly</title> |
| <meta charset="utf-8"> |
| <link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io"> |
| <link rel="author" title="Mozilla" href="https://mozilla.org"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <link rel="help" href="https://drafts.csswg.org/css-overflow/#overflow-propagation"> |
| <link rel="help" href="https://drafts.csswg.org/cssom-view/#dom-document-scrollingelement"> |
| <link rel="help" href="https://github.com/w3c/csswg-drafts/issues/5601"> |
| <style> |
| :root { |
| overflow: clip; |
| } |
| body { |
| overflow: scroll; |
| } |
| </style> |
| <script> |
| test(function() { |
| assert_equals(document.scrollingElement, null); |
| }); |
| </script> |