Google Maps JavaScript API v3

Listening to DOM events

View this example full screen.

JavaScript
function initialize() {
  var mapOptions = {
    zoom: 8,
    center: new google.maps.LatLng(-34.397, 150.644)
  };
  var mapDiv = document.getElementById('map-canvas');
  var map = new google.maps.Map(mapDiv, mapOptions);

  // We add a DOM event here to show an alert if the DIV containing the
  // map is clicked. Note that we do this within the intialize function
  // since the document object isn't loaded until after the window.load
  // event.
  google.maps.event.addDomListener(mapDiv, 'click', showAlert);
}

function showAlert() {
  window.alert('DIV clicked');
}

google.maps.event.addDomListener(window, 'load', initialize);
JavaScript + HTML
<!DOCTYPE html>
<html>
  <head>
    <title>Listening to DOM events</title>
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no">
    <meta charset="utf-8">
    <style>
      html, body, #map-canvas {
        height: 100%;
        margin: 0px;
        padding: 0px
      }
    </style>
    <script src="https://maps.googleapis.com/maps/api/js?v=3.exp&sensor=false"></script>
    <script>
function initialize() {
  var mapOptions = {
    zoom: 8,
    center: new google.maps.LatLng(-34.397, 150.644)
  };
  var mapDiv = document.getElementById('map-canvas');
  var map = new google.maps.Map(mapDiv, mapOptions);

  // We add a DOM event here to show an alert if the DIV containing the
  // map is clicked. Note that we do this within the intialize function
  // since the document object isn't loaded until after the window.load
  // event.
  google.maps.event.addDomListener(mapDiv, 'click', showAlert);
}

function showAlert() {
  window.alert('DIV clicked');
}

google.maps.event.addDomListener(window, 'load', initialize);

    </script>
  </head>
  <body>
    <div id="map-canvas"></div>
  </body>
</html>

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