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This example creates a map with a "Center Map" button, which will pan the map to be centered on Chicago.
Read the documentation.
TypeScriptlet map: google.maps.Map;
const chicago = { lat: 41.85, lng: -87.65 };
/**
* Creates a control that recenters the map on Chicago.
*/
function createCenterControl(map) {
const controlButton = document.createElement('button');
// Set CSS for the control.
controlButton.style.backgroundColor = '#fff';
controlButton.style.border = '2px solid #fff';
controlButton.style.borderRadius = '3px';
controlButton.style.boxShadow = '0 2px 6px rgba(0,0,0,.3)';
controlButton.style.color = 'rgb(25,25,25)';
controlButton.style.cursor = 'pointer';
controlButton.style.fontFamily = 'Roboto,Arial,sans-serif';
controlButton.style.fontSize = '16px';
controlButton.style.lineHeight = '38px';
controlButton.style.margin = '8px 0 22px';
controlButton.style.padding = '0 5px';
controlButton.style.textAlign = 'center';
controlButton.textContent = 'Center Map';
controlButton.title = 'Click to recenter the map';
controlButton.type = 'button';
// Setup the click event listeners: simply set the map to Chicago.
controlButton.addEventListener('click', () => {
map.setCenter(chicago);
});
return controlButton;
}
function initMap() {
map = new google.maps.Map(document.getElementById('map') as HTMLElement, {
zoom: 12,
center: chicago,
});
// Create the DIV to hold the control.
const centerControlDiv = document.createElement('div');
// Create the control.
const centerControl = createCenterControl(map);
// Append the control to the DIV.
centerControlDiv.appendChild(centerControl);
map.controls[google.maps.ControlPosition.TOP_CENTER].push(centerControlDiv);
}
declare global {
interface Window {
initMap: () => void;
}
}
window.initMap = initMap;Note: Read the guide on using TypeScript and Google Maps. JavaScript
let map;
const chicago = { lat: 41.85, lng: -87.65 };
/**
* Creates a control that recenters the map on Chicago.
*/
function createCenterControl(map) {
const controlButton = document.createElement("button");
// Set CSS for the control.
controlButton.style.backgroundColor = "#fff";
controlButton.style.border = "2px solid #fff";
controlButton.style.borderRadius = "3px";
controlButton.style.boxShadow = "0 2px 6px rgba(0,0,0,.3)";
controlButton.style.color = "rgb(25,25,25)";
controlButton.style.cursor = "pointer";
controlButton.style.fontFamily = "Roboto,Arial,sans-serif";
controlButton.style.fontSize = "16px";
controlButton.style.lineHeight = "38px";
controlButton.style.margin = "8px 0 22px";
controlButton.style.padding = "0 5px";
controlButton.style.textAlign = "center";
controlButton.textContent = "Center Map";
controlButton.title = "Click to recenter the map";
controlButton.type = "button";
// Setup the click event listeners: simply set the map to Chicago.
controlButton.addEventListener("click", () => {
map.setCenter(chicago);
});
return controlButton;
}
function initMap() {
map = new google.maps.Map(document.getElementById("map"), {
zoom: 12,
center: chicago,
});
// Create the DIV to hold the control.
const centerControlDiv = document.createElement("div");
// Create the control.
const centerControl = createCenterControl(map);
// Append the control to the DIV.
centerControlDiv.appendChild(centerControl);
map.controls[google.maps.ControlPosition.TOP_CENTER].push(centerControlDiv);
}
window.initMap = initMap;Note: The JavaScript is compiled from the TypeScript snippet. 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
<html>
<head>
<title>Custom Controls</title>
<link rel="stylesheet" type="text/css" href="./style.css" />
<script type="module" src="./index.js"></script>
</head>
<body>
<div id="map"></div>
<!--
The `defer` attribute causes the script 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> Try Sample Clone Sample
Git and Node.js are required to run this sample locally. Follow these instructions to install Node.js and NPM. The following commands clone, install dependencies and start the sample application.
git clone -b sample-control-custom https://github.com/googlemaps/js-samples.gitcd js-samplesnpm inpm start
Other samples can be tried by switching to any branch beginning with sample-SAMPLE_NAME.
git checkout sample-SAMPLE_NAMEnpm inpm start
Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.
Last updated 2025-07-09 UTC.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-07-09 UTC."],[[["This example demonstrates how to create a custom control on a Google Map that recenters the map to Chicago."],["The control is a button labeled \"Center Map\" and is positioned at the top center of the map."],["When clicked, the button triggers a function to set the map's center to the coordinates of Chicago."],["This example uses TypeScript and JavaScript to create the custom control and integrate it with the Google Maps API."]]],[]]
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