display-override-member-media-feature-standalone-overrides-browser-manual.tentative.html (1321B)
1 <!DOCTYPE html> 2 <title>Test "standalone" in display-override member + "browser" in display member + media feature</title> 3 <link rel="help" href="https://w3c.github.io/manifest#display-member" /> 4 <link rel="help" href="https://w3c.github.io/manifest/#the-display-mode-media-feature" /> 5 <link rel="help" href="https://w3c.github.io/manifest/#dom-displaymodetype-browser" /> 6 <link rel="help" href="https://w3c.github.io/manifest/#dom-displaymodetype-standalone" /> 7 <link rel="manifest" href="resources/display-override-member-media-feature-standalone-overrides-browser.webmanifest" /> 8 <script src="resources/display-override-member-media-feature-manual.js"></script> 9 <meta name="viewport" content="width=device-width, initial-scale=1"> 10 <h1>Test "standalone" in display-override member + "browser" in display member + media feature</h1> 11 <style> 12 .fail { 13 background-color: red; 14 } 15 16 @media all and (display-mode: standalone) { 17 body { 18 background-color: green; 19 } 20 } 21 </style> 22 <script> 23 const standalone = matchMedia("(display-mode: standalone)"); 24 25 standalone.onchange = () => { 26 if (standalone.matches) { 27 document.body.classList.remove("fail"); 28 } 29 } 30 31 if (!standalone.matches) { 32 document.body.classList.add("fail"); 33 } 34 </script> 35 <p> 36 To pass, the background color must be green after installing. 37 </p>