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Swipe between maps

Use mapbox-gl-compare to swipe between and synchronize two maps.

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Swipe between maps</title>
<meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no">
<link href="https://api.mapbox.com/mapbox-gl-js/v3.2.0/mapbox-gl.css" rel="stylesheet">
<script src="https://api.mapbox.com/mapbox-gl-js/v3.2.0/mapbox-gl.js"></script>
<style>
body { margin: 0; padding: 0; }
#map { position: absolute; top: 0; bottom: 0; width: 100%; }
</style>
</head>
<body>
<style>
body {
overflow: hidden;
}

body * {
-webkit-touch-callout: none;
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
}

.map {
position: absolute;
top: 0;
bottom: 0;
width: 100%;
}
</style>
<script src="https://api.mapbox.com/mapbox-gl-js/plugins/mapbox-gl-compare/v0.4.0/mapbox-gl-compare.js"></script>
<link rel="stylesheet" href="https://api.mapbox.com/mapbox-gl-js/plugins/mapbox-gl-compare/v0.4.0/mapbox-gl-compare.css" type="text/css">
<div id="comparison-container">
<div id="before" class="map"></div>
<div id="after" class="map"></div>
</div>
<script>
// TO MAKE THE MAP APPEAR YOU MUST
// ADD YOUR ACCESS TOKEN FROM
// https://account.mapbox.com
mapboxgl.accessToken = 'YOUR_MAPBOX_ACCESS_TOKEN';
const beforeMap = new mapboxgl.Map({
container: 'before',
// Choose from Mapbox's core styles, or make your own style with Mapbox Studio
style: 'mapbox://styles/mapbox/light-v11',
center: [0, 0],
zoom: 0
});

const afterMap = new mapboxgl.Map({
container: 'after',
style: 'mapbox://styles/mapbox/dark-v11',
center: [0, 0],
zoom: 0
});

// A selector or reference to HTML element
const container = '#comparison-container';

const map = new mapboxgl.Compare(beforeMap, afterMap, container, {
// Set this to enable comparing two maps by mouse movement:
// mousemove: true
});
</script>

</body>
</html>
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