Display and style rich text labels | Mapbox GL JS

Use the format expression to display country labels in both English and in the local language.

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Display and style rich text labels</title>
<meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no">
<link href="https://api.mapbox.com/mapbox-gl-js/v2.14.1/mapbox-gl.css" rel="stylesheet">
<script src="https://api.mapbox.com/mapbox-gl-js/v2.14.1/mapbox-gl.js"></script>
<style>
body { margin: 0; padding: 0; }
#map { position: absolute; top: 0; bottom: 0; width: 100%; }
</style>
</head>
<body>
<div id="map"></div>
<script>
	// TO MAKE THE MAP APPEAR YOU MUST
	// ADD YOUR ACCESS TOKEN FROM
	// https://account.mapbox.com
	mapboxgl.accessToken = 'YOUR_MAPBOX_ACCESS_TOKEN';
mapboxgl.setRTLTextPlugin(
'https://api.mapbox.com/mapbox-gl-js/plugins/mapbox-gl-rtl-text/v0.2.3/mapbox-gl-rtl-text.js'
);
 
const map = new mapboxgl.Map({
container: 'map', // container ID
// Choose from Mapbox's core styles, or make your own style with Mapbox Studio
style: 'mapbox://styles/mapbox/light-v11', // style URL
center: [9.49, 49.01], // starting position [lng, lat]
zoom: 4 // starting zoom
});
 
map.on('load', () => {
map.setLayoutProperty('country-label', 'text-field', [
'format',
['get', 'name_en'],
{ 'font-scale': 1.2 },
'\n',
{},
['get', 'name'],
{
'font-scale': 0.8,
'text-font': [
'literal',
['DIN Offc Pro Italic', 'Arial Unicode MS Regular']
]
}
]);
});
</script>
 
</body>
</html>