Eso es todo.

Para comenzar a desarrollar, consulta nuestra documentación para desarrolladores.

Activar la Google Maps JavaScript API

Para que puedas comenzar, te proporcionaremos orientación en la Google Developers Console a fin de que hagas primero algunas acciones:

  1. Crear o seleccionar un proyecto
  2. Activar la Google Maps JavaScript API y servicios relacionados
  3. Crear claves correspondientes
Continuar

Getting properties with event handlers

This example listens for the zoom_changed event and updates an info window when the zoom level changes.

Read the documentation or view this example full screen.

function initMap() {
  var originalMapCenter = new google.maps.LatLng(-25.363882, 131.044922);
  var map = new google.maps.Map(document.getElementById('map'), {
    zoom: 4,
    center: originalMapCenter
  });

  var infowindow = new google.maps.InfoWindow({
    content: 'Change the zoom level',
    position: originalMapCenter
  });
  infowindow.open(map);

  map.addListener('zoom_changed', function() {
    infowindow.setContent('Zoom: ' + map.getZoom());
  });
}
<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 async defer
src="https://maps.googleapis.com/maps/api/js?key=AIzaSyCkUOdZ5y7hMm0yrcCQoCvLwzdM6M8s5qk&callback=initMap">
</script>

Pruébalo

Desplázate a la esquina superior derecha del bloque de código para copiar el código o abrirlo en JSFiddle.

<!DOCTYPE html>
<html>
  <head>
    <title>Getting properties with event handlers</title>
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no">
    <meta charset="utf-8">
    <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>
  </head>
  <body>
    <div id="map"></div>
    <script>
      function initMap() {
        var originalMapCenter = new google.maps.LatLng(-25.363882, 131.044922);
        var map = new google.maps.Map(document.getElementById('map'), {
          zoom: 4,
          center: originalMapCenter
        });

        var infowindow = new google.maps.InfoWindow({
          content: 'Change the zoom level',
          position: originalMapCenter
        });
        infowindow.open(map);

        map.addListener('zoom_changed', function() {
          infowindow.setContent('Zoom: ' + map.getZoom());
        });
      }
    </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
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