D3 Examples - Leaflet Map with a Polygon

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<!DOCTYPE html>
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<html>
​
<head>
<script src="https://code.jquery.com/jquery-2.1.4.js"></script>
​
<title>Leaflet Web Map</title>
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<!-- reference to Leaflet CSS -->
<link rel="stylesheet" href="https://cdn.leafletjs.com/leaflet-0.7.3/leaflet.css" />
​
<!-- reference to Leaflet JavaScript -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/leaflet/0.7.3/leaflet.min.js"></script>
​
<!-- set width and height styles for map -->
<style>
#map {
    width: 960px;
    height:500px;
}
</style>
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</head>
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<body>
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    <!-- place holder for map -->
    <div id="map"></div>
​
<script>
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    // create map object, tell it to live in 'map' div and give initial latitude, longitude, zoom values
    // pass option to turn scroll wheel zoom off
    var map = L.map('map',{scrollWheelZoom:false}).setView([49.2609,-123.1140], 15);
​
    // add base map tiles from OpenStreetMap and attribution info to 'map' div
    L.tileLayer('https://{s}.tile.osm.org/{z}/{x}/{y}.png', {
    attribution: '&copy; <a href="https://osm.org/copyright">OpenStreetMap</a> contributors'
    }).addTo(map);
    
    // define array of points for polygon
    var area = [ [49.2609,-123.1140],[49.260727, -123.126545],[49.265993, -123.126416] ];
​
    // add polygon from area array points to map with some basic styling
    L.polygon(area,{color:'purple',opacity:.6}).addTo(map);
​
</script>
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</body>
​
</html>
    