Overview Map Control

Example of OverviewMap control.

This example demonstrates the use of the OverviewMap control.

<!DOCTYPE html>
    <title>Overview Map Control</title>
    <link rel="stylesheet" href="https://openlayers.org/en/v5.3.0/css/ol.css" type="text/css">
    <!-- The line below is only needed for old environments like Internet Explorer and Android 4.x -->
    <script src="https://cdn.polyfill.io/v2/polyfill.min.js?features=requestAnimationFrame,Element.prototype.classList,URL"></script>

    <div id="map" class="map"></div>
      import Map from 'ol/Map.js';
      import View from 'ol/View.js';
      import {defaults as defaultControls, OverviewMap} from 'ol/control.js';
      import TileLayer from 'ol/layer/Tile.js';
      import OSM from 'ol/source/OSM.js';

      var map = new Map({
        controls: defaultControls().extend([
          new OverviewMap()
        layers: [
          new TileLayer({
            source: new OSM()
        target: 'map',
        view: new View({
          center: [500000, 6000000],
          zoom: 7