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As of February 21st, 2024 (v3.56), google.maps.Marker is deprecated. We encourage you to transition to the new google.maps.marker.AdvancedMarkerElement class. Advanced markers provide substantial improvements over the legacy google.maps.Marker class. The minimum version of the Maps JavaScript API with google.maps.marker.AdvancedMarkerElement is 3.53.2. At this time, google.maps.Marker is not scheduled to be discontinued.
This example creates a map where each click by the user creates a marker that's labeled with a single alphabetic character.
Read the documentation.
TypeScript// In the following example, markers appear when the user clicks on the map.
// Each marker is labeled with a single alphabetical character.
const labels = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
let labelIndex = 0;
function initMap(): void {
const bangalore = { lat: 12.97, lng: 77.59 };
const map = new google.maps.Map(
document.getElementById("map") as HTMLElement,
{
zoom: 12,
center: bangalore,
}
);
// This event listener calls addMarker() when the map is clicked.
google.maps.event.addListener(map, "click", (event) => {
addMarker(event.latLng, map);
});
// Add a marker at the center of the map.
addMarker(bangalore, map);
}
// Adds a marker to the map.
function addMarker(location: google.maps.LatLngLiteral, map: google.maps.Map) {
// Add the marker at the clicked location, and add the next-available label
// from the array of alphabetical characters.
new google.maps.Marker({
position: location,
label: labels[labelIndex++ % labels.length],
map: map,
});
}
declare global {
interface Window {
initMap: () => void;
}
}
window.initMap = initMap;Note: Read the guide on using TypeScript and Google Maps. JavaScript
// In the following example, markers appear when the user clicks on the map.
// Each marker is labeled with a single alphabetical character.
const labels = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
let labelIndex = 0;
function initMap() {
const bangalore = { lat: 12.97, lng: 77.59 };
const map = new google.maps.Map(document.getElementById("map"), {
zoom: 12,
center: bangalore,
});
// This event listener calls addMarker() when the map is clicked.
google.maps.event.addListener(map, "click", (event) => {
addMarker(event.latLng, map);
});
// Add a marker at the center of the map.
addMarker(bangalore, map);
}
// Adds a marker to the map.
function addMarker(location, map) {
// Add the marker at the clicked location, and add the next-available label
// from the array of alphabetical characters.
new google.maps.Marker({
position: location,
label: labels[labelIndex++ % labels.length],
map: map,
});
}
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>Marker Labels</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-marker-labels 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 add markers with alphabetical labels to a Google Map."],["Users can click on the map to create new markers, each labeled with a unique letter."],["The sample code is provided in both JavaScript and TypeScript, along with HTML and CSS for styling."],["The legacy `google.maps.Marker` is deprecated, and migration to `google.maps.marker.AdvancedMarkerElement` is encouraged for future compatibility."]]],[]]
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