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Activer Google Maps JavaScript API

Pour commencer, nous allons vous guider à travers la console Google Developers et effectuer deux ou trois petites choses :

  1. Créer ou sélectionner un projet
  2. Activer Google Maps JavaScript API et les services connexes
  3. Créer les clés appropriées
Continuer

Marker Labels

Read the documentation or view this example full screen.

// In the following example, markers appear when the user clicks on the map.
// Each marker is labeled with a single alphabetical character.
var labels = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
var labelIndex = 0;

function initialize() {
  var bangalore = { lat: 12.97, lng: 77.59 };
  var map = new google.maps.Map(document.getElementById('map'), {
    zoom: 12,
    center: bangalore
  });

  // This event listener calls addMarker() when the map is clicked.
  google.maps.event.addListener(map, 'click', function(event) {
    addMarker(event.latLng, map);
  });

  // Add a marker at the center of the map.
  addMarker(bangalore, map);
}

// Adds a marker to the map.
function addMarker(location, map) {
  // Add the marker at the clicked location, and add the next-available label
  // from the array of alphabetical characters.
  var marker = new google.maps.Marker({
    position: location,
    label: labels[labelIndex++ % labels.length],
    map: map
  });
}

google.maps.event.addDomListener(window, 'load', initialize);
<div id="map"></div>
/* Always set the map height explicitly to define the size of the div
 * element that contains the map. */
#map {
  height: 100%;
}
/* Optional: Makes the sample page fill the window. */
html, body {
  height: 100%;
  margin: 0;
  padding: 0;
}
<!-- Replace the value of the key parameter with your own API key. -->
<script src="https://maps.googleapis.com/maps/api/js?key=AIzaSyCkUOdZ5y7hMm0yrcCQoCvLwzdM6M8s5qk"></script>

Essayez par vous-même

Placez la souris en haut à droite du bloc de code pour le copier ou l'ouvrir dans JSFiddle.

<!DOCTYPE html>
<html>
  <head>
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no">
    <meta charset="utf-8">
    <title>Marker Labels</title>
    <style>
      /* Always set the map height explicitly to define the size of the div
       * element that contains the map. */
      #map {
        height: 100%;
      }
      /* Optional: Makes the sample page fill the window. */
      html, body {
        height: 100%;
        margin: 0;
        padding: 0;
      }
    </style>
    <script src="https://maps.googleapis.com/maps/api/js?key=YOUR_API_KEY"></script>
    <script>
      // In the following example, markers appear when the user clicks on the map.
      // Each marker is labeled with a single alphabetical character.
      var labels = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
      var labelIndex = 0;

      function initialize() {
        var bangalore = { lat: 12.97, lng: 77.59 };
        var map = new google.maps.Map(document.getElementById('map'), {
          zoom: 12,
          center: bangalore
        });

        // This event listener calls addMarker() when the map is clicked.
        google.maps.event.addListener(map, 'click', function(event) {
          addMarker(event.latLng, map);
        });

        // Add a marker at the center of the map.
        addMarker(bangalore, map);
      }

      // Adds a marker to the map.
      function addMarker(location, map) {
        // Add the marker at the clicked location, and add the next-available label
        // from the array of alphabetical characters.
        var marker = new google.maps.Marker({
          position: location,
          label: labels[labelIndex++ % labels.length],
          map: map
        });
      }

      google.maps.event.addDomListener(window, 'load', initialize);
    </script>
  </head>
  <body>
    <div id="map"></div>
  </body>
</html>

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