🛰️ Geolocation navigator.geolocation — zero libraries

The browser can ask the device where it is — GPS, Wi-Fi triangulation, cell towers, whatever the OS has. Your app just asks for coordinates. Watch mode keeps updating and tallies how far you wander.

Latitude

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Longitude

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Accuracy

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Altitude

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Speed

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Wandered

0 m (watch mode)

Map

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Nothing requested yet. The permission prompt is the point: the platform makes sites ask.