Re: [w3c/manifest] Add `installed` CSS media feature (PR #1218)

@marcoscaceres commented on this pull request.



> +          .browser-nav { display: none; }
+          .share-via-os { display: block; }
+        }
+      </pre>
+      <p>
+        JavaScript access via `matchMedia()`:
+      </p>
+      <pre class="js">
+        const installed = window.matchMedia("(installed)").matches;
+        if (installed) {
+          // Running as an installed app - suppress install UI
+          document.querySelector(".install-banner")?.remove();
+        }
+      </pre>
+    </aside>
+    <p class="note">

we probably don't need this note... we are yet to figure out how to automate testing. 

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Received on Thursday, 21 May 2026 23:11:24 UTC