マウスポインタの座標を取得 | Mapbox GL JS | ドキュメント

ピクセル・緯度・経度の座標を使用して、ホバー時のマウス位置を表示します。

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>マウスポインタの座標を取得</title>
<meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no">
<link href="https://api.mapbox.com/mapbox-gl-js/v2.6.1/mapbox-gl.css" rel="stylesheet">
<script src="https://api.mapbox.com/mapbox-gl-js/v2.6.1/mapbox-gl.js"></script>
<style>
body { margin: 0; padding: 0; }
#map { position: absolute; top: 0; bottom: 0; width: 100%; }
</style>
</head>
<body>
<style type="text/css">
#info {
display: table;
position: relative;
margin: 0px auto;
word-wrap: anywhere;
white-space: pre-wrap;
padding: 10px;
border: none;
border-radius: 3px;
font-size: 12px;
text-align: center;
color: #222;
background: #fff;
}
</style>
<div id="map"></div>
<pre id="info"></pre>
<script>
	// TO MAKE THE MAP APPEAR YOU MUST
	// ADD YOUR ACCESS TOKEN FROM
	// https://account.mapbox.com
	mapboxgl.accessToken = 'YOUR_MAPBOX_ACCESS_TOKEN';
const map = new mapboxgl.Map({
container: 'map', // container id
style: 'mapbox://styles/mapbox/streets-v11',
center: [-74.5, 40], // starting position
zoom: 9 // starting zoom
});
 
map.on('mousemove', (e) => {
document.getElementById('info').innerHTML =
// `e.point` is the x, y coordinates of the `mousemove` event
// relative to the top-left corner of the map.
JSON.stringify(e.point) +
'<br />' +
// `e.lngLat` is the longitude, latitude geographical position of the event.
JSON.stringify(e.lngLat.wrap());
});
</script>
 
</body>
</html>