HTML5 Geolocation exaple
from Stepan Suvorov Blog http://js4.it
JavaScript
if ("geolocation" in navigator) {
console.log("geolocation is available")
} else {
console.log("geolocation IS NOT available")
}
navigator.geolocation.getCurrentPosition(function(position) {
console.log(position.coords.latitude, position.coords.longitude);
});