The Google Maps Javascript API will only load data if the console is open

I'm facing an issue with displaying a map on my webpage where I want to set a marker.

What's the problem

Despite no errors in the console or from Google, the map data is not loading properly. All I see is the Google logo and a grey background, as shown in the image below. https://i.sstatic.net/Kv2ch.png

However, when I check the console in Google Chrome, it eventually loads the map data showing the correct map type.

https://i.sstatic.net/o8ULB.png

What I've tried

I have searched online for solutions to similar issues, but none of them seem to work in my case.

Currently, my code appears as follows:

<div id="map" style="width:100%;height:400px;"></div>
<script async defer src="https://maps.googleapis.com/maps/api/js?key=MY_API_KEY&callback=initMap"></script>
<script>
function initMap() {
   //Just some example coordinates
   var lat = 47.8;
   var lon = 8.9
   var location = {lat: lat, lng: lon};
   var map = new google.maps.Map(document.getElementById('map'), {
      zoom: 8,
      center: location,
      mapTypeId: google.maps.MapTypeId.ROADMAP
   });
   var marker = new google.maps.Marker({
      position: location,
      map: map
   });
}
google.maps.event.addDomListener(window, 'load', initMap);
</script>

Any assistance would be greatly appreciated.

Answer №1

While it may not be flawless, you can attempt to manually trigger a resize when the map is loaded:

google.maps.event.addListenerOnce(map, 'idle', function(){
    $(window).trigger('resize'); 
});

Alternatively, without relying on jQuery:

google.maps.event.addListenerOnce(map, 'idle', () => {
    const event = new Event('resize');
    window.dispatchEvent(event);
});

Answer №2

No need to manually add a DOM Listener here. The map should load seamlessly with the following script:

<script async defer src="https://maps.googleapis.com/maps/api/js?key=YOUR_API_KEY&callback=initMap">
</script>

along with the necessary initMap function.

UPDATE: Avoid using a DOM Listener as it may cause delays in loading the map, especially if waiting for the Console to open first.

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