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Listening to DOM Events

  • This example demonstrates how to listen for DOM events on a Google Map.

  • When a user clicks on the map's div container, an alert message is triggered.

  • The sample provides code in TypeScript and JavaScript showcasing DOM event handling.

  • CSS is used to ensure the map div element occupies the full height of the page for better visibility.

This example listens for DOM events. It displays an alert when the DIVcontaining the map is clicked.

Read thedocumentation.

TypeScript

asyncfunctioninitMap(){// Request needed libraries.const{Map}=awaitgoogle.maps.importLibrary("maps")asgoogle.maps.MapsLibrary;constmapDiv=document.getElementById("map")asHTMLElement;constmap=newgoogle.maps.Map(mapDiv,{zoom:8,center:newgoogle.maps.LatLng(-34.397,150.644),});// We add a DOM event here to show an alert if the DIV containing the// map is clicked.google.maps.event.addDomListener(mapDiv,"click",()=>{window.alert("Map was clicked!");});}initMap();
Note: Read theguide on using TypeScript and Google Maps.

JavaScript

asyncfunctioninitMap(){// Request needed libraries.const{Map}=awaitgoogle.maps.importLibrary("maps");constmapDiv=document.getElementById("map");constmap=newgoogle.maps.Map(mapDiv,{zoom:8,center:newgoogle.maps.LatLng(-34.397,150.644),});// We add a DOM event here to show an alert if the DIV containing the// map is clicked.google.maps.event.addDomListener(mapDiv,"click",()=>{window.alert("Map was clicked!");});}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>Listening to DOM Events</title>    <link rel="stylesheet" type="text/css" href="./style.css" />    <script type="module" src="./index.js"></script>  </head>  <body>    <div></div>    <!-- prettier-ignore -->    <script>(g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})        ({key: "AIzaSyB41DRUbKWJHPxaFjMAwdrzWzbVKartNGg", v: "weekly"});</script>  </body></html>

Try Sample

Clone Sample

Git and Node.js are required to run this sample locally. Follow theseinstructions to install Node.js and NPM. The following commands clone, install dependencies and start the sample application.

gitclone-bsample-event-domListenerhttps://github.com/googlemaps/js-samples.gitcdjs-samplesnpminpmstart

Other samples can be tried by switching to any branch beginning withsample-SAMPLE_NAME.

gitcheckoutsample-SAMPLE_NAMEnpminpmstart

Except as otherwise noted, the content of this page is licensed under theCreative Commons Attribution 4.0 License, and code samples are licensed under theApache 2.0 License. For details, see theGoogle Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.

Last updated 2025-12-11 UTC.