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Die Google Maps JavaScript API aktivieren

Zum Einstieg führen wir Sie durch die Google Developers Console, wo Sie vorab Folgendes tun müssen:

  1. Ein Projekt erstellen oder auswählen
  2. Die Google Maps JavaScript API und zugehörige Dienste aktivieren
  3. Zugehörige Schlüssel erstellen
Weiter

Marker animations with setTimeout()

Read the documentation or view this example full screen.

// If you're adding a number of markers, you may want to drop them on the map
// consecutively rather than all at once. This example shows how to use
// window.setTimeout() to space your markers' animation.

var neighborhoods = [
  {lat: 52.511, lng: 13.447},
  {lat: 52.549, lng: 13.422},
  {lat: 52.497, lng: 13.396},
  {lat: 52.517, lng: 13.394}
];

var markers = [];
var map;

function initMap() {
  map = new google.maps.Map(document.getElementById('map'), {
    zoom: 12,
    center: {lat: 52.520, lng: 13.410}
  });
}

function drop() {
  clearMarkers();
  for (var i = 0; i < neighborhoods.length; i++) {
    addMarkerWithTimeout(neighborhoods[i], i * 200);
  }
}

function addMarkerWithTimeout(position, timeout) {
  window.setTimeout(function() {
    markers.push(new google.maps.Marker({
      position: position,
      map: map,
      animation: google.maps.Animation.DROP
    }));
  }, timeout);
}

function clearMarkers() {
  for (var i = 0; i < markers.length; i++) {
    markers[i].setMap(null);
  }
  markers = [];
}
<div id="floating-panel">
  <button id="drop" onclick="drop()">Drop Markers</button>
</div>
<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;
}
#floating-panel {
  position: absolute;
  top: 10px;
  left: 25%;
  z-index: 5;
  background-color: #fff;
  padding: 5px;
  border: 1px solid #999;
  text-align: center;
  font-family: 'Roboto','sans-serif';
  line-height: 30px;
  padding-left: 10px;
}
#floating-panel {
  margin-left: -52px;
}
 <!-- Replace the value of the key parameter with your own API key. -->
<script async defer
src="https://maps.googleapis.com/maps/api/js?key=AIzaSyCkUOdZ5y7hMm0yrcCQoCvLwzdM6M8s5qk&callback=initMap">
</script>


Probieren Sie es selbst aus

Bewegen Sie die Maus oben rechts über den Codeblock, um den Code zu kopieren, oder öffnen Sie ihn in JSFiddle.

<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>Marker animations with <code>setTimeout()</code></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;
      }
      #floating-panel {
        position: absolute;
        top: 10px;
        left: 25%;
        z-index: 5;
        background-color: #fff;
        padding: 5px;
        border: 1px solid #999;
        text-align: center;
        font-family: 'Roboto','sans-serif';
        line-height: 30px;
        padding-left: 10px;
      }
      #floating-panel {
        margin-left: -52px;
      }
    </style>
  </head>
  <body>
    <div id="floating-panel">
      <button id="drop" onclick="drop()">Drop Markers</button>
    </div>
    <div id="map"></div>
    <script>

      // If you're adding a number of markers, you may want to drop them on the map
      // consecutively rather than all at once. This example shows how to use
      // window.setTimeout() to space your markers' animation.

      var neighborhoods = [
        {lat: 52.511, lng: 13.447},
        {lat: 52.549, lng: 13.422},
        {lat: 52.497, lng: 13.396},
        {lat: 52.517, lng: 13.394}
      ];

      var markers = [];
      var map;

      function initMap() {
        map = new google.maps.Map(document.getElementById('map'), {
          zoom: 12,
          center: {lat: 52.520, lng: 13.410}
        });
      }

      function drop() {
        clearMarkers();
        for (var i = 0; i < neighborhoods.length; i++) {
          addMarkerWithTimeout(neighborhoods[i], i * 200);
        }
      }

      function addMarkerWithTimeout(position, timeout) {
        window.setTimeout(function() {
          markers.push(new google.maps.Marker({
            position: position,
            map: map,
            animation: google.maps.Animation.DROP
          }));
        }, timeout);
      }

      function clearMarkers() {
        for (var i = 0; i < markers.length; i++) {
          markers[i].setMap(null);
        }
        markers = [];
      }
    </script>
    <script async defer
    src="https://maps.googleapis.com/maps/api/js?key=YOUR_API_KEY&callback=initMap">
    </script>
  </body>
</html>

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Google Maps JavaScript API
Google Maps JavaScript API