Introducing Places UI Kit: A ready-to-use, low-cost component library that lets you bring the familiar Google Maps UI for Places to any map of your choice. Try it out, andshare your input to help shape the future of GMP!
Getting Lat/Lng from a Click Event
This example listens for theclick event, gets the latitude and longitude coordinatesof the click fromgoogle.maps.MapMouseEvent.latLng, and displays those coordinates inan info window.
Read thedocumentation.
TypeScript
asyncfunctioninitMap(){// Request needed libraries.const{Map}=awaitgoogle.maps.importLibrary("maps")asgoogle.maps.MapsLibrary;constmyLatlng={lat:-25.363,lng:131.044};constmap=newgoogle.maps.Map(document.getElementById("map")!,{zoom:4,center:myLatlng,});// Create the initial InfoWindow.letinfoWindow=newgoogle.maps.InfoWindow({content:"Click the map to get Lat/Lng!",position:myLatlng,});infoWindow.open(map);// Configure the click listener.map.addListener("click",(mapsMouseEvent)=>{// Close the current InfoWindow.infoWindow.close();// Create a new InfoWindow.infoWindow=newgoogle.maps.InfoWindow({position:mapsMouseEvent.latLng,});infoWindow.setContent(JSON.stringify(mapsMouseEvent.latLng.toJSON(),null,2));infoWindow.open(map);});}initMap();
JavaScript
asyncfunctioninitMap(){// Request needed libraries.const{Map}=awaitgoogle.maps.importLibrary("maps");constmyLatlng={lat:-25.363,lng:131.044};constmap=newgoogle.maps.Map(document.getElementById("map"),{zoom:4,center:myLatlng,});// Create the initial InfoWindow.letinfoWindow=newgoogle.maps.InfoWindow({content:"Click the map to get Lat/Lng!",position:myLatlng,});infoWindow.open(map);// Configure the click listener.map.addListener("click",(mapsMouseEvent)=>{// Close the current InfoWindow.infoWindow.close();// Create a new InfoWindow.infoWindow=newgoogle.maps.InfoWindow({position:mapsMouseEvent.latLng,});infoWindow.setContent(JSON.stringify(mapsMouseEvent.latLng.toJSON(),null,2),);infoWindow.open(map);});}initMap();
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>Event Click LatLng</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-click-latlnghttps://github.com/googlemaps/js-samples.gitcdjs-samplesnpminpmstart
Other samples can be tried by switching to any branch beginning withsample-SAMPLE_NAME.
gitcheckoutsample-SAMPLE_NAMEnpminpmstart
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Last updated 2025-07-18 UTC.