If you blocked location by accident:

1. Click the padlock (🔒) in your browser’s address bar.
2. Open Site settings or Permissions.
3. Find Location → set to Allow for this site.
4. Return here and click Retry Permission.

Note: Geolocation only works on HTTPS or http://localhost. If you opened this as a local file, run a local server.

Quick dev server: npx serve (then open the shown URL).