debug/3895.html

<!DOCTYPE html>
<html>
<head>
    <title>Mapbox GL JS debug page</title>
    <meta charset='utf-8'>
    <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
    <link rel='stylesheet' href='/dist/mapbox-gl.css' />
    <style>
        body { margin: 0; padding: 0; }
        html, body, #map { height: 100%; }
    </style>
</head>

<body>
<div id='map'></div>

<script src='/dist/mapbox-gl-dev.js'></script>
<script src='/debug/access_token_generated.js'></script>
<script>

var map = window.map = new mapboxgl.Map({
    container: 'map',
    center: [-68.13734351262877, 45.137451890638886],
    zoom: 5,
    style: 'mapbox://styles/mapbox/streets-v10',
    hash: true
});

map.on('load', function () {
    const layer = {
        id: 'test',
        source: 'composite',
        'source-layer': 'water',
        type: 'fill',
        paint: {
            'fill-color': '#00ff00'
        }
    };

    map.addLayer(layer);

    setInterval(function() {
        const test = map.getLayer('test');
        if (test) {
            map.removeLayer('test');
            map.addLayer(layer);
        }
    }, 2000);
});
</script>
</body>
</html>