Change a map's language | Mapbox GL JS

Use setLayoutProperty to switch languages dynamically. For a more complete solution see the mapbox-gl-language plugin.

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Change a map's language</title>
<meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no">
<link href="https://api.mapbox.com/mapbox-gl-js/v3.0.0/mapbox-gl.css" rel="stylesheet">
<script src="https://api.mapbox.com/mapbox-gl-js/v3.0.0/mapbox-gl.js"></script>
<style>
body { margin: 0; padding: 0; }
#map { position: absolute; top: 0; bottom: 0; width: 100%; }
</style>
</head>
<body>
<style>
#buttons {
width: 90%;
margin: 0 auto;
}
.button {
display: inline-block;
position: relative;
cursor: pointer;
width: 20%;
padding: 8px;
border-radius: 3px;
margin-top: 10px;
font-size: 12px;
text-align: center;
color: #fff;
background: #ee8a65;
font-family: sans-serif;
font-weight: bold;
}
</style>
<div id="map"></div>
<ul id="buttons">
<li id="button-fr" class="button">French</li>
<li id="button-ru" class="button">Russian</li>
<li id="button-de" class="button">German</li>
<li id="button-es" class="button">Spanish</li>
</ul>
<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',
// Choose from Mapbox's core styles, or make your own style with Mapbox Studio
style: 'mapbox://styles/mapbox/light-v11',
center: [16.05, 48],
zoom: 2.9
});
 
document.getElementById('buttons').addEventListener('click', (event) => {
const language = event.target.id.substr('button-'.length);
// Use setLayoutProperty to set the value of a layout property in a style layer.
// The three arguments are the id of the layer, the name of the layout property,
// and the new property value.
map.setLayoutProperty('country-label', 'text-field', [
'get',
`name_${language}`
]);
});
</script>
 
</body>
</html>

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