// This example adds a map with markers, using web components.asyncfunctioninitMap():Promise<void>{console.log('Maps JavaScript API loaded.');}declareglobal{interfaceWindow{initMap:()=>void;}}window.initMap=initMap;
// This example adds a map with markers, using web components.asyncfunctioninitMap(){console.log("Maps JavaScript API loaded.");}window.initMap=initMap;
/* * 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;}gmp-map{height:400px;}
<html>
<head>
<title>Add a Map with Markers using HTML</title>
<link rel="stylesheet" type="text/css" href="./style.css" />
<script type="module" src="./index.js"></script>
</head>
<body>
<gmp-map
center="43.4142989,-124.2301242"
zoom="4"
map-id="DEMO_MAP_ID"
style="height: 400px"
>
<gmp-advanced-marker
position="37.4220656,-122.0840897"
title="Mountain View, CA"
></gmp-advanced-marker>
<gmp-advanced-marker
position="47.648994,-122.3503845"
title="Seattle, WA"
></gmp-advanced-marker>
</gmp-map>
<!--
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&libraries=maps,marker&v=beta"
defer
></script>
</body>
</html>
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.
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-28 UTC."],[[["\u003cp\u003eThis example demonstrates adding markers to a map using the \u003ccode\u003e<gmp-advanced-marker>\u003c/code\u003e web component.\u003c/p\u003e\n"],["\u003cp\u003eThe sample utilizes Google Maps JavaScript API with web components for a streamlined approach.\u003c/p\u003e\n"],["\u003cp\u003eBoth TypeScript and JavaScript code snippets are provided for implementation flexibility.\u003c/p\u003e\n"],["\u003cp\u003eThe HTML structure showcases the integration of the map and markers within a web page.\u003c/p\u003e\n"],["\u003cp\u003eUsers can explore the sample interactively through JSFiddle or Google Cloud Shell, or clone the repository for local execution.\u003c/p\u003e\n"]]],[],null,["# Add a Map with Markers using HTML\n\nThis example adds markers to a map, using `\u003cgmp-advanced-marker\u003e`.\n\nRead the\n[documentation](/maps/documentation/javascript/web-components/overview#add_markers_to_the_map). \n\n### TypeScript\n\n```typescript\n// This example adds a map with markers, using web components.\nasync function initMap(): Promise\u003cvoid\u003e {\n console.log('Maps JavaScript API loaded.');\n}\ndeclare global {\n interface Window {\n initMap: () =\u003e void;\n }\n }\nwindow.initMap = initMap;https://github.com/googlemaps/js-samples/blob/2683f7366fb27829401945d2a7e27d77ed2df8e5/samples/web-components-markers/index.ts#L8-L19\n```\n| **Note:** Read the [guide](/maps/documentation/javascript/using-typescript) on using TypeScript and Google Maps.\n\n### JavaScript\n\n```javascript\n// This example adds a map with markers, using web components.\nasync function initMap() {\n console.log(\"Maps JavaScript API loaded.\");\n}\n\nwindow.initMap = initMap;https://github.com/googlemaps/js-samples/blob/2683f7366fb27829401945d2a7e27d77ed2df8e5/dist/samples/web-components-markers/docs/index.js#L7-L13\n```\n| **Note:** The JavaScript is compiled from the TypeScript snippet.\n\n### CSS\n\n```css\n/* \n * Always set the map height explicitly to define the size of the div element\n * that contains the map. \n */\n#map {\n height: 100%;\n}\n\n/* \n * Optional: Makes the sample page fill the window. \n */\nhtml,\nbody {\n height: 100%;\n margin: 0;\n padding: 0;\n}\n\ngmp-map {\n height: 400px;\n}\nhttps://github.com/googlemaps/js-samples/blob/2683f7366fb27829401945d2a7e27d77ed2df8e5/dist/samples/web-components-markers/docs/style.css#L7-L28\n```\n\n### HTML\n\n```html\n\u003chtml\u003e\n \u003chead\u003e\n \u003ctitle\u003eAdd a Map with Markers using HTML\u003c/title\u003e\n\n \u003clink rel=\"stylesheet\" type=\"text/css\" href=\"./style.css\" /\u003e\n \u003cscript type=\"module\" src=\"./index.js\"\u003e\u003c/script\u003e\n \u003c/head\u003e\n \u003cbody\u003e\n \u003cgmp-map\n center=\"43.4142989,-124.2301242\"\n zoom=\"4\"\n map-id=\"DEMO_MAP_ID\"\n style=\"height: 400px\"\n \u003e\n \u003cgmp-advanced-marker\n position=\"37.4220656,-122.0840897\"\n title=\"Mountain View, CA\"\n \u003e\u003c/gmp-advanced-marker\u003e\n \u003cgmp-advanced-marker\n position=\"47.648994,-122.3503845\"\n title=\"Seattle, WA\"\n \u003e\u003c/gmp-advanced-marker\u003e\n \u003c/gmp-map\u003e\n\n \u003c!-- \n The `defer` attribute causes the script to execute after the full HTML\n document has been parsed. For non-blocking uses, avoiding race conditions,\n and consistent behavior across browsers, consider loading using Promises. See\n https://developers.google.com/maps/documentation/javascript/load-maps-js-api\n for more information.\n --\u003e\n \u003cscript\n src=\"https://maps.googleapis.com/maps/api/js?key=AIzaSyB41DRUbKWJHPxaFjMAwdrzWzbVKartNGg&libraries=maps,marker&v=beta\"\n defer\n \u003e\u003c/script\u003e\n \u003c/body\u003e\n\u003c/html\u003ehttps://github.com/googlemaps/js-samples/blob/2683f7366fb27829401945d2a7e27d77ed2df8e5/dist/samples/web-components-markers/docs/index.html#L8-L46\n```\n\n### Try Sample\n\n[JSFiddle.net](https://jsfiddle.net/gh/get/library/pure/googlemaps/js-samples/tree/master/dist/samples/web-components-markers/jsfiddle) [Google Cloud Shell](https://ssh.cloud.google.com/cloudshell/editor?cloudshell_git_repo=https%3A%2F%2Fgithub.com%2Fgooglemaps%2Fjs-samples&cloudshell_git_branch=sample-web-components-markers&cloudshell_tutorial=cloud_shell_instructions.md&cloudshell_workspace=.)\n\n### Clone Sample\n\n\nGit and Node.js are required to run this sample locally. Follow these [instructions](https://docs.npmjs.com/downloading-and-installing-node-js-and-npm) to install Node.js and NPM. The following commands clone, install dependencies and start the sample application. \n\n git clone -b sample-web-components-markers https://github.com/googlemaps/js-samples.git\n cd js-samples\n npm i\n npm start\n\n\nOther samples can be tried by switching to any branch beginning with `sample-`\u003cvar translate=\"no\"\u003eSAMPLE_NAME\u003c/var\u003e. \n\n git checkout sample-\u003cvar translate=\"no\"\u003e\u003cspan class=\"devsite-syntax-nx\"\u003eSAMPLE_NAME\u003c/span\u003e\u003c/var\u003e\n npm i\n npm start"]]