这里地图自动缩放以适合所有标记

如何解决这里地图自动缩放以适合所有标记

我试图在我尝试使用示例 https://developer.here.com/documentation/examples/maps-js/markers/zoom-to-set-of-markers 的此处地图上显示所有标记，但示例本身缺少标记我需要在屏幕上显示所有标记也试过这个例子但不是运气 https://heremaps.github.io/maps-api-for-javascript-examples/custom-zooming-into-bounds/demo.html

<!DOCTYPE html>
<html>
<head>
    <Meta name="viewport" content="width=device-width,initial-scale=1.0,maximum-scale=1.0,user-scalable=yes">
    <Meta http-equiv="Content-type" content="text/html;charset=UTF-8">
    <title>Zooming Markers</title>
    <link rel="stylesheet" type="text/css" href="https://js.api.here.com/v3/3.1/mapsjs-ui.css"/>
    <script type="text/javascript" src="https://js.api.here.com/v3/3.1/mapsjs-core.js"></script>
    <script type="text/javascript" src="https://js.api.here.com/v3/3.1/mapsjs-service.js"></script>
    <script type="text/javascript" src="https://js.api.here.com/v3/3.1/mapsjs-ui.js"></script>
    <script type="text/javascript" src="https://js.api.here.com/v3/3.1/mapsjs-mapevents.js"></script>
    <style>
        #map {
            width: 95%;
            height:1050px;
            background: grey;
        }
        #panel {
            width: 100%;
            height: 800px;
        }
    </style>
</head>
<body id="markers-on-the-map">

<div id="map"></div>

<script>
window.apikey=""

var markers=[
    {lat:41.4822,lng:-81.6697},{lat:43.7000,lng:-79.4000},{lat:40.7127,lng:-74.0059},{lat:34.042923,lng:-118.101399},{lat:57.979073,lng:-105.929508},{lat:-42.544551,lng:-66.788650},]

var platform = new H.service.Platform({
  apikey: window.apikey
});
var defaultLayers = platform.createDefaultLayers();

// Step 2: initialize a map
var map = new H.Map(document.getElementById('map'),defaultLayers.vector.normal.map,{
  center: new H.geo.Point(30.496199,72.702070),zoom: 4,pixelRatio: window.devicePixelRatio || 1
});
// add a resize listener to make sure that the map occupies the whole container
window.addEventListener('resize',() => map.getViewPort().resize());

var behavior = new H.mapevents.Behavior(new H.mapevents.MapEvents(map));
  var markers_to_zoom=[]
  for(var i=0;i<markers.length;i++){
      markers_to_zoom.push(new H.map.Marker({lat:markers[i].lat,lng:markers[i].lng}),)
  }
  var  group = new H.map.Group();
  group.addobjects(markers_to_zoom);

  map.getviewmodel().setLookAtData({
    bounds: group.getBoundingBox()
  });
  map.addobject(group);
</script>
</body>
</html>