Adding pixels to the top position with jQuery in Angular 2

I am trying to adjust the position of my markers when the zoom level is at 18 or higher by adding 10px upwards. However, my current approach doesn't seem to be working as expected. Can someone please assist me with this issue? You can view the code snippet in src/google-maps/directive/google-map.ts under the method _handleMapZoomChange() on this PLUNKER.

Instead of setting all elements to a fixed value of 10px, I actually want to increment the top position by 10px relative to its current position.

 $('.marker').each( function (index) {
     console.log(index + ":" + $(this).css('top'));
     var currentTop = $(this).css('top');

     $(this).css('top', currentTop + '10px');
 })

Answer №1

When working with custom overlays, adjusting the left or top position of the marker may lead to unexpected behavior due to its tie to the latLng position of the marker.

To avoid this issue, it is recommended to use the margin-top CSS attribute instead. Depending on your requirements, you can set it as margin-top: 10px or margin-top: -10px.

The same applies when drawing the marker. It is advised not to adjust the position directly like in the following example:

if (point) {
    div.style.left = (point.x - 10) + 'px';
    div.style.top = (point.y - 10) + 'px'; 
}

Instead, incorporate the offset as margin-top and margin-left in your marker's CSS style:

div.style.cssText = `width: 25px; 
                     height: 25px; 
                     ...
                     margin-top: -10px;
                     margin-left: -10px;`

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