title: How to remove markers cluster from google map(Ionic4)
body: <p>How to remove markers cluster from google map(Ionic4)</p>
  
  <p>part codes flow:</p>
  
  <p>import * as MarkerClusterer from 'node-js-marker-clusterer';</p>
  
  <p>markerCluster: MarkerClusterer;</p>
  
  <pre><code>        if (this.markerCluster) {
            this.markerCluster.clearMarkers();
          }
  
  
          this.markerCluster = this.map.addMarkerClusterSync({
            markers: this.locations,
            boundsDraw: false,
            icons: [
              {min: 2, max: 100, url: "./assets/icon/favicon.ico", anchor: 
            {x: 16, y: 16}}
            ]
          });
  </code></pre>
  
  <p>this.markerCluster.clearMarkers();   ←this code not work</p>