<!DOCTYPE html> <meta charset="utf-8"> <meta name="viewport" content="width=device-width"> <link rel="help" href="https://drafts.csswg.org/cssom-view/#extension-to-the-element-interface"> <link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1655741"> <link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io"> <link rel="author" title="Mozilla" href="https://mozilla.org"> <title>Shouldn't assert when asking for the client* props on the scrolling element</title> <style> :root { display: none } </style> <script> document.scrollingElement.clientTop; document.scrollingElement.clientLeft; document.scrollingElement.clientHeight; document.scrollingElement.clientWidth; </script>