Add custom icons with Markers

Use Marker to add custom icons to your map.

Add custom icons with Markers

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>Add custom icons with Markers</title>
<meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no" />
<script src="https://cdn.jsdelivr.net/npm/@goongmaps/goong-js@1.0.9/dist/goong-js.js"></script>
<link href="https://cdn.jsdelivr.net/npm/@goongmaps/goong-js@1.0.9/dist/goong-js.css" rel="stylesheet" />
<style>
	body { margin: 0; padding: 0; }
    #map { position: absolute; top: 0; bottom: 0; width: 100%; }
</style>
</head>
<body>

<style>
    .marker {
        display: block;
        border: none;
        border-radius: 50%;
        cursor: pointer;
        padding: 0;
    }
</style>

<div id="map"></div>

<script>
    var geojson = {
        'type': 'FeatureCollection',
        'features': [
            {
                'type': 'Feature',
                'properties': {
                    'message': 'Foo',
                    'iconSize': [60, 60]
                },
                'geometry': {
                    'type': 'Point',
                    'coordinates': [105.78903, 21.02524]
                }
            },
            {
                'type': 'Feature',
                'properties': {
                    'message': 'Bar',
                    'iconSize': [50, 50]
                },
                'geometry': {
                    'type': 'Point',
                    'coordinates': [105.79553, 21.03027]
                }
            },
            {
                'type': 'Feature',
                'properties': {
                    'message': 'Baz',
                    'iconSize': [40, 40]
                },
                'geometry': {
                    'type': 'Point',
                    'coordinates': [105.79621, 21.00963]
                }
            }
        ]
    };

    goongjs.accessToken = 'wnicbAmnNkoMHNYUKWnlFHezV189FjmMwkNJ7hKW';
    var map = new goongjs.Map({
        container: 'map',
        style: 'https://tiles.goong.io/assets/goong_map_web.json',
        center: [105.80028, 21.0188],
        zoom: 13
    });

    // add markers to map
    geojson.features.forEach(function (marker) {
        // create a DOM element for the marker
        var el = document.createElement('div');
        el.className = 'marker';
        el.style.backgroundImage =
            'url(https://placekitten.com/g/' +
            marker.properties.iconSize.join('/') +
            '/)';
        el.style.width = marker.properties.iconSize[0] + 'px';
        el.style.height = marker.properties.iconSize[1] + 'px';

        el.addEventListener('click', function () {
            window.alert(marker.properties.message);
        });

        // add marker to map
        new goongjs.Marker(el)
            .setLngLat(marker.geometry.coordinates)
            .addTo(map);
    });
</script>
</body>
</html>