マーカーインスタンスにポップアップを添付 | Mapbox GL JS | ドキュメント

ポップアップをマーカーに添付し、クリック時に表示します。

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>マーカーインスタンスにポップアップを添付</title>
<meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no">
<link href="https://api.mapbox.com/mapbox-gl-js/v2.14.1/mapbox-gl.css" rel="stylesheet">
<script src="https://api.mapbox.com/mapbox-gl-js/v2.14.1/mapbox-gl.js"></script>
<style>
body { margin: 0; padding: 0; }
#map { position: absolute; top: 0; bottom: 0; width: 100%; }
</style>
</head>
<body>
<style>
#marker {
background-image: url('https://docs.mapbox.com/mapbox-gl-js/assets/washington-monument.jpg');
background-size: cover;
width: 50px;
height: 50px;
border-radius: 50%;
cursor: pointer;
}
 
.mapboxgl-popup {
max-width: 200px;
}
</style>
 
<div id="map"></div>
 
<script>
	// TO MAKE THE MAP APPEAR YOU MUST
	// ADD YOUR ACCESS TOKEN FROM
	// https://account.mapbox.com
	mapboxgl.accessToken = 'YOUR_MAPBOX_ACCESS_TOKEN';
const monument = [-77.0353, 38.8895];
const map = new mapboxgl.Map({
container: 'map',
style: 'mapbox://styles/mapbox/light-v10',
center: monument,
zoom: 15
});
 
// create the popup
const popup = new mapboxgl.Popup({ offset: 25 }).setText(
'Construction on the Washington Monument began in 1848.'
);
 
// create DOM element for the marker
const el = document.createElement('div');
el.id = 'marker';
 
// create the marker
new mapboxgl.Marker(el)
.setLngLat(monument)
.setPopup(popup) // sets a popup on this marker
.addTo(map);
</script>
 
</body>
</html>