Using GeoLocation API With Google Maps

by Annie Lagang

HTML

<script type="text/javascript" src="//maps.google.com/maps/api/js?sensor=true"></script>
<h2>Using GeoLocation API With Google Maps - Demo</h2>
Click the allow button to let the browser find your location.

<article>

</article>

JavaScript

// SOURCE: https://paulund.co.uk/playground/demo/google_maps_geo_location/ 
function success(position) {
  var mapcanvas = document.createElement('div');
  mapcanvas.id = 'mapcontainer';
  mapcanvas.style.height = '400px';
  mapcanvas.style.width = '600px';

  document.querySelector('article').appendChild(mapcanvas);

  var coords = new google.maps.LatLng(position.coords.latitude, position.coords.longitude);
  
  var options = {
    zoom: 15,
    center: coords,
    mapTypeControl: false,
    navigationControlOptions: {
    	style: google.maps.NavigationControlStyle.SMALL
    },
    mapTypeId: google.maps.MapTypeId.ROADMAP
  };
  var map = new google.maps.Map(document.getElementById("mapcontainer"), options);

  var marker = new google.maps.Marker({
      position: coords,
      map: map,
      title:"You are here!"
  });
}

if (navigator.geolocation) {
  navigator.geolocation.getCurrentPosition(success);
} else {
  error('Geo Location is not supported');
}