| <!DOCTYPE html> |
| <title> |
| Don't install manifests that are not top-level from browsing contexts |
| </title> |
| <link rel="help" href="https://html.spec.whatwg.org/#link-type-manifest" /> |
| <h1>Don't install manifests that are not top-level from browsing contexts</h1> |
| <p> |
| To pass, the user agent must not use the manifest in iframe. The user agent |
| must behave as if there is no manifest present. |
| </p> |
| <script> |
| const iframe = document.createElement("iframe"); |
| iframe.srcdoc = "<h1>hi</h1>"; |
| document.body.append(iframe); |
| iframe.onload = () => { |
| const link = iframe.contentDocument.createElement("link"); |
| link.rel = "manifest"; |
| link.href = "/appmanifest/name-member/name-member-fail.webmanifest"; |
| iframe.contentDocument.head.append(link); |
| }; |
| </script> |
