<!DOCTYPE html> <html> <head> <title>Leaflet debug page</title> <link rel="stylesheet" href="https://unpkg.com/leaflet@1.0.3/dist/leaflet.css" integrity="sha512-07I2e+7D8p6he1SIM+1twR5TIrhUQn9+I6yjqD53JQjFiMf8EtC93ty0/5vJTZGF8aAocvHYNEDJajGdNx1IsQ==" crossorigin="" /> <script src="https://unpkg.com/leaflet@1.0.3/dist/leaflet-src.js" integrity="sha512-WXoSHqw/t26DszhdMhOXOkI7qCiv5QWXhH9R7CgvgZMHz1ImlkVQ3uNsiQKu5wwbbxtPzFXd1hK4tzno2VqhpA==" crossorigin=""></script> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <link rel="stylesheet" href="screen.css" /> <link rel="stylesheet" href="../dist/MarkerCluster.css" /> <link rel="stylesheet" href="../dist/MarkerCluster.Default.css" /> <script src="../dist/leaflet.markercluster-src.js"></script> <script src="realworld.10000.js"></script> </head> <body> <div id="map"></div> <span>Mouse over a cluster to see the bounds of its children and click a cluster to zoom to those bounds</span> <script type="text/javascript"> var tiles = L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', { maxZoom: 18, attribution: '© <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors, Points © 2012 LINZ' }), latlng = L.latLng(-37.89, 175.46); var map = L.map('map', {center: latlng, zoom: 13, layers: [tiles]}); var markers = L.markerClusterGroup({ chunkedLoading: true }); for (var i = 0; i < addressPoints.length; i++) { var a = addressPoints[i]; var title = a[2]; var marker = L.marker(L.latLng(a[0], a[1]), { title: title }); marker.bindPopup(title); markers.addLayer(marker); } map.addLayer(markers); </script> </body> </html>