| <!doctype html> | |
| <link rel="author" href="mailto:wpt@keithcirkel.co.uk" /> | |
| <link rel="help" href="https://html.spec.whatwg.org/#dom-dialog-requestclose" /> | |
| <!-- This test passes if it does not crash. --> | |
| <script> | |
| const doc = document.implementation.createHTMLDocument(""); | |
| const dialog = doc.createElement("dialog"); | |
| dialog.setAttribute("open", ""); | |
| doc.body.append(dialog); | |
| dialog.requestClose(); | |
| </script> |