| <!DOCTYPE html> |
| <title>Test "fullscreen" value of display member + media feature</title> |
| <link rel="help" href="https://w3c.github.io/manifest#display-member" /> |
| <link rel="help" href="https://w3c.github.io/manifest/#dom-displaymodetype-fullscreen" /> |
| <link rel="help" href="https://w3c.github.io/manifest/#the-display-mode-media-feature" /> |
| <link rel="manifest" href="display-member-media-feature-fullscreen.webmanifest" /> |
| <meta name="viewport" content="width=device-width, initial-scale=1"> |
| <h1>Testing support for "fullscreen" value of display member + media feature</h1> |
| <style> |
| .fail { |
| background-color: red; |
| } |
| |
| @media all and (display-mode: fullscreen) { |
| body { |
| background-color: green; |
| } |
| } |
| </style> |
| <script> |
| const fullscreen = matchMedia("(display-mode: fullscreen)"); |
| |
| fullscreen.onchange = () => { |
| if (fullscreen.matches) { |
| document.body.classList.remove("fail"); |
| } |
| } |
| |
| if (!fullscreen.matches) { |
| document.body.classList.add("fail"); |
| } |
| </script> |
| <p> |
| To pass, the background color must be green after installing. |
| </p> |
