All docsMapbox GL JSExamplesGet coordinates of the mouse pointer

Get coordinates of the mouse pointer

This example uses the mousemove event to get two values from the MapMouseEvent object: the x-y point coordinates of the mouse cursor on the HTML map container and the lngLat coordinates of the cursor on the map. It displays both coordinates in an HTML overlay.

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Get coordinates of the mouse pointer</title>
<meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no">
<link href="https://api.mapbox.com/mapbox-gl-js/v2.5.1/mapbox-gl.css" rel="stylesheet">
<script src="https://api.mapbox.com/mapbox-gl-js/v2.5.1/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 access token here>';
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>