Check if Mapbox GL JS is supported | Mapbox GL JS

Use supported to check for Mapbox GL browser support, and show an alert if the browser does not support Mapbox GL. Find more information about browser support for Mapbox tools in the Browser support troubleshooting guide.

JavaScript

React

JavaScript

React


<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Check if Mapbox GL JS is supported</title>
<meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no">
<link href="https://api.mapbox.com/mapbox-gl-js/v3.9.0/mapbox-gl.css" rel="stylesheet">
<script src="https://api.mapbox.com/mapbox-gl-js/v3.9.0/mapbox-gl.js"></script>
<style>
body { margin: 0; padding: 0; }
#map { position: absolute; top: 0; bottom: 0; width: 100%; }
</style>
</head>
<body>
<div id="map"></div>

<script>
	// TO MAKE THE MAP APPEAR YOU MUST
	// ADD YOUR ACCESS TOKEN FROM
	// https://account.mapbox.com
	mapboxgl.accessToken = 'YOUR_MAPBOX_ACCESS_TOKEN';
    if (!mapboxgl.supported()) {
        alert('Your browser does not support Mapbox GL');
    } else {
        const map = new mapboxgl.Map({
            container: 'map',
            // Choose from Mapbox's core styles, or make your own style with Mapbox Studio
            style: 'mapbox://styles/mapbox/streets-v12',
            center: [-74.5, 40],
            zoom: 9
        });
    }
</script>

</body>
</html>

このコードスニペットは、YOUR_MAPBOX_ACCESS_TOKENをあなたのMapboxアカウントのアクセストークンに置き換えるまで、期待通りに動作しません。

JavaScript

React


import React, { useEffect, useRef } from 'react';
import mapboxgl from 'mapbox-gl';
import 'mapbox-gl/dist/mapbox-gl.css';

const MapboxExample = () => {
  const mapContainerRef = useRef();
  const mapRef = useRef();

  useEffect(() => {
    // TO MAKE THE MAP APPEAR YOU MUST
    // ADD YOUR ACCESS TOKEN FROM
    // https://account.mapbox.com
    mapboxgl.accessToken = 'YOUR_MAPBOX_ACCESS_TOKEN';

    if (!mapboxgl.supported()) {
      alert('Your browser does not support Mapbox GL');
    } else {
      mapRef.current = new mapboxgl.Map({
        container: mapContainerRef.current,
        style: 'mapbox://styles/mapbox/streets-v12',
        center: [-74.5, 40],
        zoom: 9
      });
    }

    return () => mapRef.current.remove();
  }, []);

  return <div ref={mapContainerRef} id="map" style={{ height: '100%' }} />;
};

export default MapboxExample;

このコードスニペットは、YOUR_MAPBOX_ACCESS_TOKENをあなたのMapboxアカウントのアクセストークンに置き換えるまで、期待通りに動作しません。

追加の開発者リソース

このexampleは役に立ちましたか？