Restrict map panning to an area

Prevent a map from being panned to a different place by setting maxBounds.

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>Restrict map panning to an area</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%; }
<div id='map'></div>
mapboxgl.accessToken = '<your access token here>';
// Set bounds to New York, New York
var bounds = [
[-74.04728500751165, 40.68392799015035], // Southwest coordinates
[-73.91058699000139, 40.87764500765852] // Northeast coordinates
var map = new mapboxgl.Map({
container: 'map',
style: 'mapbox://styles/mapbox/streets-v9',
center: [-73.9978, 40.7209],
zoom: 13,
maxBounds: bounds // Sets bounds as max