Hessen - Highcharts Maps

Highcharts Maps demo

HTML

<script src="https://code.highcharts.com/maps/highmaps.js"></script>
<script src="https://code.highcharts.com/maps/modules/exporting.js"></script>

<div id="container"></div>

CSS

#container {
    height: 500px;
    min-width: 310px;
    max-width: 800px;
    margin: 0 auto;
}

.loading {
    margin-top: 10em;
    text-align: center;
    color: gray;
}

JavaScript

(async () => {

    const topology = await fetch(
        'https://code.highcharts.com/mapdata/countries/de/de-he-all-all.topo.json'
    ).then(response => response.json());

    // Prepare demo data. The data is joined to map using value of 'hc-key'
    // property by default. See API docs for 'joinBy' for more info on linking
    // data and map.
    const data = [
        ['de-he-06635000-06635014', 10], ['de-he-06435000-06435004', 11],
        ['de-he-06535000-06535007', 12], ['de-he-06531000-06531018', 13],
        ['de-he-06531000-06531002', 14], ['de-he-06635000-06635020', 15],
        ['de-he-06437000-06437002', 16], ['de-he-06437000-06437006', 17],
        ['de-he-06636000-06636004', 18], ['de-he-06633000-06633012', 19],
        ['de-he-06636000-06636200', 20], ['de-he-06633000-06633019', 21],
        ['de-he-06438000-06438011', 22], ['de-he-06432000-06432002', 23],
        ['de-he-06534000-06534014', 24], ['de-he-06534000-06534010', 25],
        ['de-he-06632000-06632018', 26], ['de-he-06632000-06632012', 27],
        ['de-he-06533000-06533014', 28], ['de-he-06434000-06434013', 29],
        ['de-he-06433000-06433013', 30], ['de-he-06632000-06632011', 31],
        ['de-he-06634000-06634019', 32], ['de-he-06631000-06631012', 33],
        ['de-he-06435000-06435028', 34], ['de-he-06435000-06435002', 35],
        ['de-he-06636000-06636006', 36], ['de-he-06634000-06634024', 37],
        ['de-he-06533000-06533011', 38], ['de-he-06634000-06634006', 39],
        ['de-he-06634000-06634022', 40], ['de-he-06632000-06632006', 41],
        ['de-he-06535000-06535011', 42], ['de-he-06535000-06535012', 43],
        ['de-he-06636000-06636016', 44], ['de-he-06532000-06532009', 45],
        ['de-he-06532000-06532005', 46], ['de-he-06534000-06534019', 47],
        ['de-he-06534000-06534005', 48], ['de-he-06437000-06437013', 49],
        ['de-he-06437000-06437012', 50], ['de-he-06633000-06633200', 51],
        ['de-he-06433000-06433001', 52], ['de-he-06439000-06439004',...