website_next: part 9

website_next/explore/index.js

@@ -14,11 +14,8 @@ export function createExplorePage() {
   const syncChain = () => chain.setActive(!main.hidden && !document.hidden);
 
   main.addEventListener("pageactive", syncChain);
+  main.addEventListener("pageinactive", syncChain);
   document.addEventListener("visibilitychange", syncChain);
-  new MutationObserver(syncChain).observe(main, {
-    attributes: true,
-    attributeFilter: ["hidden"],
-  });
 
   return main;
 }