Mapbox.js is no longer in active development. To learn more about our newer mapping tools see Mapbox GL JS.

Cycling through markers

Automatically center and show markers in a loop.

<!DOCTYPE html>
<meta charset=utf-8 />
<title>Cycling through markers</title>
<meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' />
<script src='https://api.mapbox.com/mapbox.js/v3.3.1/mapbox.js'></script>
<link href='https://api.mapbox.com/mapbox.js/v3.3.1/mapbox.css' rel='stylesheet' />
  body { margin:0; padding:0; }
  #map { position:absolute; top:0; bottom:0; width:100%; }
<div id='map'></div>

L.mapbox.accessToken = '<your access token here>';
var map = L.mapbox.map('map')
  .setView([37.77396, -122.4366], 12)

var myFeatureLayer = L.mapbox.featureLayer('/mapbox.js/assets/data/sf_locations.geojson')

// Open popup when user mouses over a marker
myFeatureLayer.on('ready', function(e) {
    var markers = [];
    this.eachLayer(function(marker) { markers.push(marker); });

function cycle(markers) {
    var i = 0;
    function run() {
        if (++i > markers.length - 1) i = 0;
        map.setView(markers[i].getLatLng(), 12);
        window.setTimeout(run, 3000);
to create your own custom map and use it in this example.
Use this example by copying its source into your own HTML page and replacing the Map ID with one of your own from your projects. Having trouble with JavaScript? Try out Codecademy or contact our support team.
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