Edit

Full Screen Control

Example of a full screen control.

Click the control in the top right corner to go full screen. Click it again to exit full screen.

If there is no button on the map, your browser does not support the Full Screen API.

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index.html<!DOCTYPE html>
<html lang="en">
  <head>
    <title>Full Screen Control</title>
    <!-- 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>
    <style>
      .map {
        width: 100%;
        height:400px;
      }
      .map:-webkit-full-screen {
        height: 100%;
        margin: 0;
      }
      .map:-ms-fullscreen {
        height: 100%;
      }
      .map:fullscreen {
        height: 100%;
      }
      .ol-rotate {
        top: 3em;
      }
    </style>
  </head>
  <body>
    <div id="map" class="map"></div>
    <script src="index.js"></script>
  </body>
</html>
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index.jsimport 'ol/ol.css';
import Map from 'ol/Map';
import View from 'ol/View';
import {defaults as defaultControls, FullScreen} from 'ol/control';
import TileLayer from 'ol/layer/Tile';
import BingMaps from 'ol/source/BingMaps';


var view = new View({
  center: [-9101767, 2822912],
  zoom: 14
});

var map = new Map({
  controls: defaultControls().extend([
    new FullScreen()
  ]),
  layers: [
    new TileLayer({
      source: new BingMaps({
        key: 'Your Bing Maps Key from http://www.bingmapsportal.com/ here',
        imagerySet: 'Aerial'
      })
    })
  ],
  target: 'map',
  view: view
});
Copy 
package.json{
  "name": "full-screen",
  "dependencies": {
    "ol": "6.1.1"
  },
  "devDependencies": {
    "parcel": "1.11.0"
  },
  "scripts": {
    "start": "parcel index.html",
    "build": "parcel build --experimental-scope-hoisting --public-url . index.html"
  }
}