Most of the HTML and JavaScript in the example above is to make it easier to see the results. The most important line from a Geolocation API perspective is these lines: ...

The API thankfully allows for users to cloak their location, and many implementations ask the user for permission before revealing the geolocation object to the JavaScript code.

The Mozilla Hacks blog has posted a nice screencast overview of the HTML5 Geolocation API. The video is designed to help anyone competing in Mozilla’s September developer derby (which involves ...

The first is Google Maps Tracks API, which gives developers the ability to concoct apps that can store, display and analyze GPS data on a map.