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Disney+: pause when the tab loses focus

Automatically pauses playback when you switch to another tab so you do not miss anything.

Code to copy

// Automatically pause playback when you switch away from the tab
document.addEventListener('visibilitychange', function () {
  if (!document.hidden) { return; }
  document.querySelectorAll('video').forEach(function (v) {
    if (!v.paused) { try { v.pause(); } catch (e) {} }
  });
});

How to use this example

1. Copy the code with the button above.
2. Install JustZix (2 minutes) and open the extension on the target page.
3. Add a new rule matching that page.
4. Paste the code into the rule's JavaScript panel and save — it runs on every page visit.