Get features under the mouse pointer
Using queryRenderedFeatures to show properties of hovered-over map elements.
<!DOCTYPE html>
<html>
<head>
<meta charset='utf-8' />
<title>Get features under the mouse pointer</title>
<meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' />
<script src='https://api.tiles.mapbox.com/mapbox-gl-js/v0.52.0/mapbox-gl.js'></script>
<link href='https://api.tiles.mapbox.com/mapbox-gl-js/v0.52.0/mapbox-gl.css' rel='stylesheet' />
<style>
body { margin:0; padding:0; }
#map { position:absolute; top:0; bottom:0; width:100%; }
</style>
</head>
<body>
<style>
#features {
position: absolute;
top: 0;
right: 0;
bottom: 0;
width: 300px;
overflow: auto;
background: rgba(255, 255, 255, 0.8);
}
#map canvas {
cursor: crosshair;
}
</style>
<div id='map'></div>
<pre id='features'></pre>
<script>
mapboxgl.accessToken = '<your access token here>';
var map = new mapboxgl.Map({
container: 'map',
style: 'mapbox://styles/mapbox/streets-v9',
center: [-96, 37.8],
zoom: 3
});
map.on('mousemove', function (e) {
var features = map.queryRenderedFeatures(e.point);
document.getElementById('features').innerHTML = JSON.stringify(features, null, 2);
});
</script>
</body>
</html>