Swipe between maps

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

Mapbox GL unsupported
Mapbox GL requires WebGL support. Please check that you are using a supported browser and that WebGL is enabled.
<!DOCTYPE html>
<meta charset='utf-8' />
<title>Swipe between maps</title>
<meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' />
<script src='https://api.tiles.mapbox.com/mapbox-gl-js/v0.53.0/mapbox-gl.js'></script>
<link href='https://api.tiles.mapbox.com/mapbox-gl-js/v0.53.0/mapbox-gl.css' rel='stylesheet' />
body { margin:0; padding:0; }
#map { position:absolute; top:0; bottom:0; width:100%; }
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%;
<script src='https://api.mapbox.com/mapbox-gl-js/plugins/mapbox-gl-compare/v0.1.0/mapbox-gl-compare.js'></script>
<link rel='stylesheet' href='https://api.mapbox.com/mapbox-gl-js/plugins/mapbox-gl-compare/v0.1.0/mapbox-gl-compare.css' type='text/css' />
<div id='before' class='map'></div>
<div id='after' class='map'></div>
mapboxgl.accessToken = '<your access token here>';
var beforeMap = new mapboxgl.Map({
container: 'before',
style: 'mapbox://styles/mapbox/light-v9',
center: [0, 0],
zoom: 0
var afterMap = new mapboxgl.Map({
container: 'after',
style: 'mapbox://styles/mapbox/dark-v9',
center: [0, 0],
zoom: 0
var map = new mapboxgl.Compare(beforeMap, afterMap, {
// Set this to enable comparing two maps by mouse movement:
// mousemove: true