It's the 15th anniversary of Google Maps Platform - Check out the latest news and announcements

Info Windows

This example displays a marker at the center of Australia. When the user clicks the marker, an info window appears.

Read the documentation.

JavaScript

// This example displays a marker at the center of Australia.
// When the user clicks the marker, an info window opens.

function initMap() {
  var uluru = { lat: -25.363, lng: 131.044 };
  var map = new google.maps.Map(document.getElementById("map"), {
    zoom: 4,
    center: uluru
  });

  var contentString =
    '<div id="content">' +
    '<div id="siteNotice">' +
    "</div>" +
    '<h1 id="firstHeading" class="firstHeading">Uluru</h1>' +
    '<div id="bodyContent">' +
    "<p><b>Uluru</b>, also referred to as <b>Ayers Rock</b>, is a large " +
    "sandstone rock formation in the southern part of the " +
    "Northern Territory, central Australia. It lies 335&#160;km (208&#160;mi) " +
    "south west of the nearest large town, Alice Springs; 450&#160;km " +
    "(280&#160;mi) by road. Kata Tjuta and Uluru are the two major " +
    "features of the Uluru - Kata Tjuta National Park. Uluru is " +
    "sacred to the Pitjantjatjara and Yankunytjatjara, the " +
    "Aboriginal people of the area. It has many springs, waterholes, " +
    "rock caves and ancient paintings. Uluru is listed as a World " +
    "Heritage Site.</p>" +
    '<p>Attribution: Uluru, <a href="https://en.wikipedia.org/w/index.php?title=Uluru&oldid=297882194">' +
    "https://en.wikipedia.org/w/index.php?title=Uluru</a> " +
    "(last visited June 22, 2009).</p>" +
    "</div>" +
    "</div>";

  var infowindow = new google.maps.InfoWindow({
    content: contentString
  });

  var marker = new google.maps.Marker({
    position: uluru,
    map: map,
    title: "Uluru (Ayers Rock)"
  });
  marker.addListener("click", function() {
    infowindow.open(map, marker);
  });
}

CSS

/* 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;
}

HTML

<!DOCTYPE html>
<html>
  <head>
    <title>Info Windows</title>
    <script src="https://polyfill.io/v3/polyfill.min.js?features=default"></script>
    <script
      src="https://maps.googleapis.com/maps/api/js?key=YOUR_API_KEY&callback=initMap&libraries=&v=weekly"
      defer
    ></script>
    <link rel="stylesheet" type="text/css" href="./style.css" />
    <script src="./app.js"></script>
  </head>
  <body>
    <div id="map"></div>
  </body>
</html>

All

<!DOCTYPE html>
<html>
  <head>
    <title>Info Windows</title>
    <script src="https://polyfill.io/v3/polyfill.min.js?features=default"></script>
    <script
      src="https://maps.googleapis.com/maps/api/js?key=YOUR_API_KEY&callback=initMap&libraries=&v=weekly"
      defer
    ></script>
    <style type="text/css">
      /* 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>
      (function(exports) {
        "use strict";

        // This example displays a marker at the center of Australia.
        // When the user clicks the marker, an info window opens.
        function initMap() {
          var uluru = {
            lat: -25.363,
            lng: 131.044
          };
          var map = new google.maps.Map(document.getElementById("map"), {
            zoom: 4,
            center: uluru
          });
          var contentString =
            '<div id="content">' +
            '<div id="siteNotice">' +
            "</div>" +
            '<h1 id="firstHeading" class="firstHeading">Uluru</h1>' +
            '<div id="bodyContent">' +
            "<p><b>Uluru</b>, also referred to as <b>Ayers Rock</b>, is a large " +
            "sandstone rock formation in the southern part of the " +
            "Northern Territory, central Australia. It lies 335&#160;km (208&#160;mi) " +
            "south west of the nearest large town, Alice Springs; 450&#160;km " +
            "(280&#160;mi) by road. Kata Tjuta and Uluru are the two major " +
            "features of the Uluru - Kata Tjuta National Park. Uluru is " +
            "sacred to the Pitjantjatjara and Yankunytjatjara, the " +
            "Aboriginal people of the area. It has many springs, waterholes, " +
            "rock caves and ancient paintings. Uluru is listed as a World " +
            "Heritage Site.</p>" +
            '<p>Attribution: Uluru, <a href="https://en.wikipedia.org/w/index.php?title=Uluru&oldid=297882194">' +
            "https://en.wikipedia.org/w/index.php?title=Uluru</a> " +
            "(last visited June 22, 2009).</p>" +
            "</div>" +
            "</div>";
          var infowindow = new google.maps.InfoWindow({
            content: contentString
          });
          var marker = new google.maps.Marker({
            position: uluru,
            map: map,
            title: "Uluru (Ayers Rock)"
          });
          marker.addListener("click", function() {
            infowindow.open(map, marker);
          });
        }

        exports.initMap = initMap;
      })((this.window = this.window || {}));
    </script>
  </head>
  <body>
    <div id="map"></div>
  </body>
</html>
(function(exports) { "use strict"; // This example displays a marker at the center of Australia. // When the user clicks the marker, an info window opens. function initMap() { var uluru = { lat: -25.363, lng: 131.044 }; var map = new google.maps.Map(document.getElementById("map"), { zoom: 4, center: uluru }); var contentString = '<div id="content">' + '<div id="siteNotice">' + "</div>" + '<h1 id="firstHeading" class="firstHeading">Uluru</h1>' + '<div id="bodyContent">' + "<p><b>Uluru</b>, also referred to as <b>Ayers Rock</b>, is a large " + "sandstone rock formation in the southern part of the " + "Northern Territory, central Australia. It lies 335&#160;km (208&#160;mi) " + "south west of the nearest large town, Alice Springs; 450&#160;km " + "(280&#160;mi) by road. Kata Tjuta and Uluru are the two major " + "features of the Uluru - Kata Tjuta National Park. Uluru is " + "sacred to the Pitjantjatjara and Yankunytjatjara, the " + "Aboriginal people of the area. It has many springs, waterholes, " + "rock caves and ancient paintings. Uluru is listed as a World " + "Heritage Site.</p>" + '<p>Attribution: Uluru, <a href="https://en.wikipedia.org/w/index.php?title=Uluru&oldid=297882194">' + "https://en.wikipedia.org/w/index.php?title=Uluru</a> " + "(last visited June 22, 2009).</p>" + "</div>" + "</div>"; var infowindow = new google.maps.InfoWindow({ content: contentString }); var marker = new google.maps.Marker({ position: uluru, map: map, title: "Uluru (Ayers Rock)" }); marker.addListener("click", function() { infowindow.open(map, marker); }); } exports.initMap = initMap; })((this.window = this.window || {}));
/* 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; }
<!DOCTYPE html> <html> <head> <title>Info Windows</title> <script src="https://polyfill.io/v3/polyfill.min.js?features=default"></script> <script src="https://maps.googleapis.com/maps/api/js?key=&callback=initMap&libraries=&v=weekly" defer ></script> <!-- jsFiddle will insert css and js --> </head> <body> <div id="map"></div> </body> </html>