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.

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: ...

Google released a geolocation API for laptops to Gears, its toolkit for creating cross-browser functionality. This follows its first foray into geolocation, available only for Windows Mobile ...

Secondly, there's the Google Maps Geolocation API, which "enables an application or device to determine its own location without the use of GPS by looking up the locations of nearby WiFi access ...