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Drilldown in JavaScript (ES5) Maps control

By clicking a continent, you can view all the countries available in that continent using the drill-down feature. For example, the countries in the Africa continent have been showcased here. You can showcase all the countries in Africa continent by clicking the shapeSelected event as mentioned in the following code example.

Source
Preview
index.js
index.html
var map = new ej.maps.Maps({
    shapeSelected: function(args) {
        var shape =(args.shapeData).continent;
        if (shape === 'Africa') {
            map.baseLayerIndex = 1;
            map.refresh();
        }
    },
        layers: [
        {
            layerType: 'Geometry',
            shapeData: world_map,
            shapePropertyPath: 'continent',
            shapeDataPath: 'continent',
            dataSource:default_data,
            shapeSettings: {
                colorValuePath: 'drillColor'
            },
            markerSettings: [       {
                visible: true,
                template: '<div id="marker3" class="markerTemplate">Africa' +
                    '</div>',
                dataSource: [
                    { latitude: 10.97274101999902, longitude: 16.390625 }
                ],
                animationDuration: 0
            }
        ]
        },
        {
            layerType: 'Geometry',
            shapeData: africa,
            shapeSettings: {
                fill: '#80306A'
            },
            highlightSettings: {
                enable: true,
                fill: '#80306A'
            }
        }

    ]
}, '#element');
<!DOCTYPE html><html lang="en"><head>
    <title>EJ2 Maps</title>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta name="description" content="Typescript UI Controls">
    <meta name="author" content="Syncfusion">
    <link href="index.css" rel="stylesheet">
    
    <script src="world-map.js"></script>
    <script src="usa.js"></script>
    <script src="data.js"></script>
    <script src="california.js"></script>
    <script src="texas.js"></script>
    <script src="africa_continent.js"></script>
    <script src="africa.js"></script>
    <script src="cluster.js"></script>
    
<script src="https://cdn.syncfusion.com/ej2/dist/ej2.min.js" type="text/javascript"></script>
</head>

<body>
    
    <div id="container" style="height: 500px; width: 700px">
        <div id="element"></div>
    </div>
    <svg height="150" width="400">
        <defs>
            <linearGradient id="grad1" x1="0%" y1="0%" x2="0%" y2="100%">
                <stop offset="0%" style="stop-color:#C5494B;stop-opacity:1"/>
                <stop offset="100%" style="stop-color:#4C134F;stop-opacity:1"/>
            </linearGradient>
        </defs>
    </svg>
    <!-- annotation content -->
    <div id="maps-annotation" style="display: none;">
        <div id="annotation">
            <div>
                <p style="margin-left:10px;font-size:13px;font-weight:500">Facts about Africa</p>
            </div>
            <hr style="margin-top:-3px;margin-bottom:10px;border:0.5px solid #DDDDDD">
            <div>
                <ul style="list-style-type:disc; margin-left:-20px;margin-bottom:2px; font-weight:400">
                    <li>Africa is the second largest and second most populated continent in the world.</li>
                    <li style="padding-top:5px;">Africa has 54 sovereign states and 10 non-sovereign territories.</li>
                    <li style="padding-top:5px;">Algeria is the largest country in Africa, where as Mayotte is the smallest.</li>
                </ul>
            </div>
        </div>
    </div>
    <style>
        #annotation {
            color: #DDDDDD;
            font-size: 12px;
            font-family: Roboto;
            background: #3E464C;
            margin: 20px;
            padding: 10px;
            -webkit-border-radius: 2px;
            -moz-border-radius: 2px;
            border-radius: 2px;
            width: 300px;
            -moz-box-shadow: 0px 2px 5px #666;
            -webkit-box-shadow: 0px 2px 5px #666;
            box-shadow: 0px 2px 5px #666;
        }
        .country-label {
            color: white;
            font-size: 25px;
        }
    </style>


<script>
var ele = document.getElementById('container');
if(ele) {
    ele.style.visibility = "visible";
 }   
        </script>
<script src="index.js" type="text/javascript"></script>
</body></html>
<div id="mapdrilldown"></div>
  <style>
     .markerTemplate {
        font-size: 12px;
        color: white;
        text-shadow: 0px 1px 1px black;
        font-weight: 500
    }
    .markerTemplate {
        height: 30px;
        width: 30px;
        display: block;
        margin: auto;
    }
  </style>