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Custom Controls

This example creates a map with a "Center Map" button, which will pan the map to be centered on Chicago.

Read the documentation.

JavaScript

var map;
var chicago = { lat: 41.85, lng: -87.65 };

/**
 * The CenterControl adds a control to the map that recenters the map on
 * Chicago.
 * This constructor takes the control DIV as an argument.
 * @constructor
 */
function CenterControl(controlDiv, map) {
  // Set CSS for the control border.
  var controlUI = document.createElement("div");
  controlUI.style.backgroundColor = "#fff";
  controlUI.style.border = "2px solid #fff";
  controlUI.style.borderRadius = "3px";
  controlUI.style.boxShadow = "0 2px 6px rgba(0,0,0,.3)";
  controlUI.style.cursor = "pointer";
  controlUI.style.marginBottom = "22px";
  controlUI.style.textAlign = "center";
  controlUI.title = "Click to recenter the map";
  controlDiv.appendChild(controlUI);

  // Set CSS for the control interior.
  var controlText = document.createElement("div");
  controlText.style.color = "rgb(25,25,25)";
  controlText.style.fontFamily = "Roboto,Arial,sans-serif";
  controlText.style.fontSize = "16px";
  controlText.style.lineHeight = "38px";
  controlText.style.paddingLeft = "5px";
  controlText.style.paddingRight = "5px";
  controlText.innerHTML = "Center Map";
  controlUI.appendChild(controlText);

  // Setup the click event listeners: simply set the map to Chicago.
  controlUI.addEventListener("click", function() {
    map.setCenter(chicago);
  });
}

function initMap() {
  map = new google.maps.Map(document.getElementById("map"), {
    zoom: 12,
    center: chicago
  });

  // Create the DIV to hold the control and call the CenterControl()
  // constructor passing in this DIV.
  var centerControlDiv = document.createElement("div");
  var centerControl = new CenterControl(centerControlDiv, map);

  centerControlDiv.index = 1;
  map.controls[google.maps.ControlPosition.TOP_CENTER].push(centerControlDiv);
}

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>Custom Controls</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>Custom Controls</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";

        var chicago = {
          lat: 41.85,
          lng: -87.65
        };
        /**
         * The CenterControl adds a control to the map that recenters the map on
         * Chicago.
         * This constructor takes the control DIV as an argument.
         * @constructor
         */

        function CenterControl(controlDiv, map) {
          // Set CSS for the control border.
          var controlUI = document.createElement("div");
          controlUI.style.backgroundColor = "#fff";
          controlUI.style.border = "2px solid #fff";
          controlUI.style.borderRadius = "3px";
          controlUI.style.boxShadow = "0 2px 6px rgba(0,0,0,.3)";
          controlUI.style.cursor = "pointer";
          controlUI.style.marginBottom = "22px";
          controlUI.style.textAlign = "center";
          controlUI.title = "Click to recenter the map";
          controlDiv.appendChild(controlUI); // Set CSS for the control interior.

          var controlText = document.createElement("div");
          controlText.style.color = "rgb(25,25,25)";
          controlText.style.fontFamily = "Roboto,Arial,sans-serif";
          controlText.style.fontSize = "16px";
          controlText.style.lineHeight = "38px";
          controlText.style.paddingLeft = "5px";
          controlText.style.paddingRight = "5px";
          controlText.innerHTML = "Center Map";
          controlUI.appendChild(controlText); // Setup the click event listeners: simply set the map to Chicago.

          controlUI.addEventListener("click", function() {
            map.setCenter(chicago);
          });
        }

        function initMap() {
          exports.map = new google.maps.Map(document.getElementById("map"), {
            zoom: 12,
            center: chicago
          }); // Create the DIV to hold the control and call the CenterControl()
          // constructor passing in this DIV.

          var centerControlDiv = document.createElement("div");
          var centerControl = new CenterControl(centerControlDiv, exports.map);
          centerControlDiv.index = 1;
          exports.map.controls[google.maps.ControlPosition.TOP_CENTER].push(
            centerControlDiv
          );
        }

        exports.CenterControl = CenterControl;
        exports.chicago = chicago;
        exports.initMap = initMap;
      })((this.window = this.window || {}));
    </script>
  </head>
  <body>
    <div id="map"></div>
  </body>
</html>
(function(exports) { "use strict"; var chicago = { lat: 41.85, lng: -87.65 }; /** * The CenterControl adds a control to the map that recenters the map on * Chicago. * This constructor takes the control DIV as an argument. * @constructor */ function CenterControl(controlDiv, map) { // Set CSS for the control border. var controlUI = document.createElement("div"); controlUI.style.backgroundColor = "#fff"; controlUI.style.border = "2px solid #fff"; controlUI.style.borderRadius = "3px"; controlUI.style.boxShadow = "0 2px 6px rgba(0,0,0,.3)"; controlUI.style.cursor = "pointer"; controlUI.style.marginBottom = "22px"; controlUI.style.textAlign = "center"; controlUI.title = "Click to recenter the map"; controlDiv.appendChild(controlUI); // Set CSS for the control interior. var controlText = document.createElement("div"); controlText.style.color = "rgb(25,25,25)"; controlText.style.fontFamily = "Roboto,Arial,sans-serif"; controlText.style.fontSize = "16px"; controlText.style.lineHeight = "38px"; controlText.style.paddingLeft = "5px"; controlText.style.paddingRight = "5px"; controlText.innerHTML = "Center Map"; controlUI.appendChild(controlText); // Setup the click event listeners: simply set the map to Chicago. controlUI.addEventListener("click", function() { map.setCenter(chicago); }); } function initMap() { exports.map = new google.maps.Map(document.getElementById("map"), { zoom: 12, center: chicago }); // Create the DIV to hold the control and call the CenterControl() // constructor passing in this DIV. var centerControlDiv = document.createElement("div"); var centerControl = new CenterControl(centerControlDiv, exports.map); centerControlDiv.index = 1; exports.map.controls[google.maps.ControlPosition.TOP_CENTER].push( centerControlDiv ); } exports.CenterControl = CenterControl; exports.chicago = chicago; 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>Custom Controls</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>