change-case-of-labels | Goong Documents

Use the upcase and downcase expressions to change the case of labels.
Change the case of labels

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>Change the case of labels</title>
<meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no" />
<script src="https://cdn.jsdelivr.net/npm/@goongmaps/goong-js@1.0.9/dist/goong-js.js"></script>
<link href="https://cdn.jsdelivr.net/npm/@goongmaps/goong-js@1.0.9/dist/goong-js.css" rel="stylesheet" />
<style>
	body { margin: 0; padding: 0; }
    #map { position: absolute; top: 0; bottom: 0; width: 100%; }
</style>
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<body>

<div id="map"></div>
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        container: 'map', // container id
        style: 'https://tiles.goong.io/assets/goong_map_web.json', // stylesheet location
        center: [-116.231, 43.604], // starting position [lng, lat]
        zoom: 11 // starting zoom
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    map.on('load', function () {
        // data from opendata.cityofboise.org/
        map.addSource('off-leash-areas', {
            'type': 'geojson',
            'data': 'https://docs.goong.io/assets/boise.geojson'
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        map.addLayer({
            'id': 'off-leash-areas',
            'type': 'symbol',
            'source': 'off-leash-areas',
            'layout': {
                'icon-image': 'dog-park-11',
                'text-field': [
                    'format',
                    ['upcase', ['get', 'FacilityName']],
                    { 'font-scale': 0.8 },
                    '\n',
                    {},
                    ['downcase', ['get', 'Comments']],
                    { 'font-scale': 0.6 }
                ],
                'text-font': ['Roboto Regular'],
                'text-offset': [0, 0.6],
                'text-anchor': 'top'
            }
        });
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</script>
</body>
</html>