Click the button to geolocate: find your current location. Your browser may ask your permission to provide this information to the page. This demo app doesn't send that info anywhere; but you could code your app to do something with it if you needed to. The accuracy of the geolocation will depend on the user's device.
The region has a Dynamic Action on the geolocate event which has two Actions:
Tip: Zoom to user's current location