Problem with Google maps, how to get rid of the gray background?

Question

JavaScript

Good afternoon.
There is a problem with the cards.
When creating a map dynamically, a gray background remains, marked with red.

// ...
    var $map = $('<div id="map-canvas" style="width: 100%;  height: 100%;"></div>');
    $mw.find('.for-map').html($map.show())
            setTimeout(function () {
                initialize($data);
            }, 200)
     // ...

Answer 1

trygoogle.maps.event.trigger(map, 'resize');