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YouTube: confirm before opening Shorts

Shows a confirmation prompt whenever a Shorts page is about to open, helping curb mindless scrolling.

Code to copy

// Ask for confirmation before a Shorts page actually loads
function guardShorts() {
  if (location.pathname.startsWith('/shorts/')) {
    if (!confirm('Open this Short? Cancel to go back.')) {
      history.length > 1 ? history.back() : (location.href = 'https://www.youtube.com/');
    }
  }
}
guardShorts();
window.addEventListener('yt-navigate-finish', guardShorts);

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.