Prevent Google maps JS executing multiple times caused by Rails Turbolinks

Question

I\'m currently working on Rails app that is getting the following error:

You have included the Google Maps API multiple times on this page. This may ca

Answer 1

Instead of make it a regular tag and add the following below your initMap function:

if(window.google){
  initMap();
} else{
  $.ajax('https://maps.googleapis.com/maps/api/js?signed_in=false&callback=initMap', {
    crossDomain: true,
    dataType: 'script'
  });
}

If you aren't using jquery then just use XMLHttpRequest instead.