geolocationSupported();

​

function geolocationSupported() {

  if (navigator.geolocation) {

    console.log("Geolocation is supported by this browser :)");

    getCurrentLocation();

  } else {

    console.log("Geolocation is NOT supported by this browser :(");

  }

}

​

function getCurrentLocation() {

  navigator.geolocation.getCurrentPosition(function(result) {

    result.coords.latitude; // latitude value

    result.coords.longitude; // longitude value

  });

}

if ('geolocation' in navigator) {

  /* geolocation is available */

} else {

  /* geolocation IS NOT available */

}