| <?xml version="1.0" encoding="UTF-8"?> | |
| <html xmlns="http://www.w3.org/1999/xhtml"> | |
| <head> | |
| <script><![CDATA[ | |
| if (window.testRunner) | |
| testRunner.dumpAsText(); | |
| customElements.define('x-a', class extends HTMLElement { | |
| constructor() { | |
| super(); | |
| document.documentElement.appendChild(this); | |
| } | |
| }); | |
| ]]></script> | |
| </head> | |
| <body> | |
| <p>This test passes if it does not crash.</p> | |
| <div id="container"><x-a></x-a></div> | |
| </body> | |
| </html> |