Near by places by google Radius

HTML

<script src="https://maps.googleapis.com/maps/api/js?v=3.exp&amp;signed_in=true&amp;libraries=places"></script>
<div id="map-canvas"></div>

CSS

html, body, #map-canvas {
    height: 100%;
    margin: 0px;
    padding: 0px
}

JavaScript

var map;
var infowindow;

function initialize() {
    var pyrmont = new google.maps.LatLng(-33.8665433, 151.1956316);

    map = new google.maps.Map(document.getElementById('map-canvas'), {
        center: pyrmont,
        zoom: 15
    });

    var request = {
        location: pyrmont,
        radius: 500,
        limit:30,
        types:['bank']
    };
    infowindow = new google.maps.InfoWindow();
    var service = new google.maps.places.PlacesService(map);
    service.nearbySearch(request, callback);
}

function callback(results, status) {
    if (status == google.maps.places.PlacesServiceStatus.OK) {
        console.log(results.length);
        for (var i = 0; i < results.length; i++) {
            //console.log(results[i]);
            createMarker(results[i]);
        }
    }
}

function createMarker(place) {
    var placeLoc = place.geometry.location;
    var marker = new google.maps.Marker({
        map: map,
        position: place.geometry.location
    });
    
    marker.setIcon(new google.maps.MarkerImage(
    place.icon,
    null, null, null, new google.maps.Size(16, 16)));

    google.maps.event.addListener(marker, 'click', function () {
        infowindow.setContent(place.name);
        infowindow.open(map, this);
    });
}


initialize();