| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta name="author" title="Ryosuke Niwa" href="mailto:rniwa@webkit.org"> |
| <meta name="assert" content=":focus should match a shadow host which contains the focused element"> |
| <link rel="help" href="https://html.spec.whatwg.org/#element-has-the-focus"> |
| </head> |
| <body> |
| <p>Test passes if you see a single 100px by 100px green box below.</p> |
| <div id="host"></div> |
| <style> |
| #host { background: red; width: 100px; height: 100px; } |
| #host:focus { background: green; } |
| </style> |
| <script> |
| |
| const shadowRoot = host.attachShadow({mode: 'closed'}); |
| shadowRoot.innerHTML = '<div tabindex="0" style="outline: none;"></div>'; |
| shadowRoot.firstChild.focus(); |
| |
| </script> |
| </body> |
| </html> |
