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Change a map's language

Use setLayoutProperty to switch languages dynamically.

<!DOCTYPE html>
<html lang="en">
<head>
    <title>Change a map's language</title>
    <meta property="og:description" content="Use setLayoutProperty to switch languages dynamically." />
    <meta charset='utf-8'>
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <link rel="stylesheet" href="https://unpkg.com/[email protected]/dist/trackasia-gl.css" />
    <script src="https://unpkg.com/[email protected]/dist/trackasia-gl.js"></script>
    <style>
        body { margin: 0; padding: 0; }
        html, body, #map { height: 100%; }
        #buttons {
            display: flex;
            justify-content: space-between;
            position: absolute;
            top: 20px;
            width: 90%;
        }
        .button {
            display: inline-block;
            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>
</head>
<body>
<div id="map"></div>
<ul id="buttons">
    <li id="button-en" class="button">English</li>
    <li id="button-vi" class="button">Vietnam</li>
    <li id="button-de" class="button">German</li>
    <li id="button-es" class="button">Spanish</li>
</ul>
<script>
    const map = new trackasiagl.Map({
        container: 'map',
        style: 'https://maps.track-asia.com/styles/v1/streets.json?key=public_key',
        center: {"lat":10.762622,"lng":106.660172},
        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>