MediaWiki:Common.js

/* Any JavaScript here will be loaded for all users on every page load. */

/* Extract LAT/LON from capable browsers */
var x = document.getElementById("ShowLatLonHere");

function getLocation() {
  if (navigator.geolocation) {
    navigator.geolocation.getCurrentPosition(showPosition);
  } else { 
    x.innerHTML = "Geolocation is not supported by this browser.";
  }
}

function showPosition(position) {
  x.innerHTML = "Lat: " + position.coords.latitude + 
  "<br>Lon: " + position.coords.longitude;
}