Info Windows

Sample code for Google Maps Platform JavaScript API author(s): Justin Poehnelt

by FiNGAHOLiC

HTML

<!doctype html>
<!--
 @license
 Copyright 2019 Google LLC. All Rights Reserved.
 SPDX-License-Identifier: Apache-2.0
-->
<html>
  <head>
    <title>Info Windows</title>
    <script src="https://polyfill.io/v3/polyfill.min.js?features=default"></script>
    <!-- jsFiddle will insert css and js -->
  </head>
  <body>
    <div id="map"></div>

    <!-- 
      The `defer` attribute causes the callback to execute after the full HTML
      document has been parsed. For non-blocking uses, avoiding race conditions,
      and consistent behavior across browsers, consider loading using Promises.
      See https://developers.google.com/maps/documentation/javascript/load-maps-js-api
      for more information.
      -->
    <script
      src="https://maps.googleapis.com/maps/api/js?key=AIzaSyB41DRUbKWJHPxaFjMAwdrzWzbVKartNGg&callback=initMap&v=weekly"
      defer
    ></script>
  </body>
</html>

CSS

/**
 * @license
 * Copyright 2019 Google LLC. All Rights Reserved.
 * SPDX-License-Identifier: Apache-2.0
 */
/* 
 * 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;
}

JavaScript

/**
 * @license
 * Copyright 2019 Google LLC. All Rights Reserved.
 * SPDX-License-Identifier: Apache-2.0
 */
// This example displays a marker at the center of Australia.
// When the user clicks the marker, an info window opens.
function initMap() {
  const uluru = { lat: -25.363, lng: 131.044 };
  const map = new google.maps.Map(document.getElementById("map"), {
    zoom: 4,
    center: uluru,
  });
  const 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>";
  const infowindow = new google.maps.InfoWindow({
    content: contentString,
    ariaLabel: "Uluru",
    disableAutoPan: true,
  });
  const marker = new google.maps.Marker({
    position: uluru,
    map,
    title: "Uluru (Ayers Rock)",
  });

  marker.addListener("click", () => {
    infowindow.open({
      anchor: marker,
      map,
    });
  });
}

window.initMap = initMap;