What is HTML5 Geolocation?

HTML5 Geolocation is used to locate a user’s position
The HTML5 Geolocation API is used to get the geographical position of a user.
Since this can compromise user privacy, the position is not available unless the user approves it.

Use the getCurrentPosition() method to get the user’s position.
The example below is a simple Geolocation example returning the latitude and longitude of the user’s position:

<script>
var x=document.getElementById("demo");
function getLocation()
{
if (navigator.geolocation)
{
navigator.geolocation.getCurrentPosition(showPosition);
}
else{x.innerHTML="Geolocation is not supported by this browser.";}
}
function showPosition(position)
{
x.innerHTML="Latitude: " + position.coords.latitude +"
Longitude: " + position.coords.longitude;
}
</script>