All docsNMaps GL JS DocsExamplesCreate a draggable Marker

Create a draggable Marker

Drag the Marker to a new location on a map and populate its coordinates in a display.

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>Create a draggable Marker</title>
<meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no" />
<script src="https://cdn.ndrive.com/nmapsgl/v1.6.6/nmaps-gl.js"></script>
<link href="https://cdn.ndrive.com/nmapsgl/v1.6.6/nmaps-gl.css" rel="stylesheet" />
<style>
body { margin: 0; padding: 0; }
#map { position: absolute; top: 0; bottom: 0; width: 100%; }
</style>
</head>
<body>
<style>
.coordinates {
background: rgba(0, 0, 0, 0.5);
color: #fff;
position: absolute;
bottom: 40px;
left: 10px;
padding: 5px 10px;
margin: 0;
font-size: 11px;
line-height: 18px;
border-radius: 3px;
display: none;
}
</style>
<div id="map"></div>
<pre id="coordinates" class="coordinates"></pre>
<script>
// TO MAKE THE MAP APPEAR YOU MUST ADD YOUR ACCESS TOKEN
nmapsgl.accessToken = '<your access token here>';
const coordinates = document.getElementById('coordinates');
const map = new nmapsgl.Map({
container: 'map',
style: 'Streets',
center: [0, 0],
zoom: 2
});
const marker = new nmapsgl.Marker({
draggable: true
})
.setLngLat([0, 0])
.addTo(map);
function onDragEnd() {
const lngLat = marker.getLngLat();
coordinates.style.display = 'block';
coordinates.innerHTML =
'Longitude: ' + lngLat.lng + '<br />Latitude: ' + lngLat.lat;
}
marker.on('dragend', onDragEnd);
</script>
</body>
</html>