Change code to use async defer call for Google Maps
Change code to use async defer call for Google Maps

Changed the map code so it uses the callback function of Google Maps. This way the google maps API can be called async.

<script src="https://maps.googleapis.com/maps/api/js?key=YOURAPIKEY&callback=initializeMap" async defer></script>
Mantus667/GridMaps,Mantus667/GridMaps,Mantus667/GridMaps