Switch Theme

A newer version of Maps for web SDK is available

A newer version of the SDK is available and is recommended for all users. Learn about the latest version, V2.0, in the Maps for web v2.0 documentation

NextBillion.ai Maps comes with a built-in dark theme that you can use directly.

Please note as a side effect of changing a theme, it will clear all the shapes drawn on the map. Markers, Popups or Tooltips are not affected.

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<!DOCTYPE html>
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<html lang="en">
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  <head>
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    <meta charset="UTF-8" />
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    <title>NBMap Basic Example</title>
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    <link href="https://maps-gl.nextbillion.io/maps/api/css" rel="stylesheet" />
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    <style>
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      * {
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        margin: 0;
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        padding: 0;
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      }
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      #map {
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        width: 100vw;
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        height: 100vh;
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      }
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      #toggle-btn {
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        position: absolute;
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        top: 20px;
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        right: 20px;
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        padding: 12px;
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        z-index: 99;
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      }
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    </style>
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  </head>
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  <body>
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    <button id="toggle-btn">Toggle Theme</button>
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    <div id="map"></div>
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    <script src="https://maps-gl.nextbillion.io/maps/api/js"></script>
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    <script>
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      (function () {
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        let theme = "dark";
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        nextbillion.apiKey = "db20c37e79d4420f9b2f71a766cacb91";
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        var map = new nextbillion.maps.Map(document.getElementById("map"), {
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          zoom: 12,
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          center: { lat: 28.6139, lng: 77.209 },
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          theme: theme
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        });
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        // alternatively, you can change the theme on the fly
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        document.getElementById("toggle-btn").onclick = function () {
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          if (theme === "light") {
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            theme = "dark";
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          } else {
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            theme = "light";
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          }
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          map.setTheme(theme);
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        };
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      })();
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    </script>
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  </body>
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</html>
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Switch Theme

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