// In the following example, markers appear when the user clicks on the map.// The markers are stored in an array.// The user can then click an option to hide, show or delete the markers.letmap:google.maps.Map;letmarkers:google.maps.Marker[]=[];functioninitMap():void{consthaightAshbury={lat:37.769,lng:-122.446};map=newgoogle.maps.Map(document.getElementById("map")asHTMLElement,{zoom:12,center:haightAshbury,mapTypeId:"terrain",});// This event listener will call addMarker() when the map is clicked.map.addListener("click",(event:google.maps.MapMouseEvent)=>{addMarker(event.latLng!);});// add event listeners for the buttonsdocument.getElementById("show-markers")!.addEventListener("click",showMarkers);document.getElementById("hide-markers")!.addEventListener("click",hideMarkers);document.getElementById("delete-markers")!.addEventListener("click",deleteMarkers);// Adds a marker at the center of the map.addMarker(haightAshbury);}// Adds a marker to the map and push to the array.functionaddMarker(position:google.maps.LatLng|google.maps.LatLngLiteral){constmarker=newgoogle.maps.Marker({position,map,});markers.push(marker);}// Sets the map on all markers in the array.functionsetMapOnAll(map:google.maps.Map|null){for(leti=0;i<markers.length;i++){markers[i].setMap(map);}}// Removes the markers from the map, but keeps them in the array.functionhideMarkers():void{setMapOnAll(null);}// Shows any markers currently in the array.functionshowMarkers():void{setMapOnAll(map);}// Deletes all markers in the array by removing references to them.functiondeleteMarkers():void{hideMarkers();markers=[];}declareglobal{interfaceWindow{initMap:()=>void;}}window.initMap=initMap;
// In the following example, markers appear when the user clicks on the map.// The markers are stored in an array.// The user can then click an option to hide, show or delete the markers.letmap;letmarkers=[];functioninitMap(){consthaightAshbury={lat:37.769,lng:-122.446};map=newgoogle.maps.Map(document.getElementById("map"),{zoom:12,center:haightAshbury,mapTypeId:"terrain",});// This event listener will call addMarker() when the map is clicked.map.addListener("click",(event)=>{addMarker(event.latLng);});// add event listeners for the buttonsdocument.getElementById("show-markers").addEventListener("click",showMarkers);document.getElementById("hide-markers").addEventListener("click",hideMarkers);document.getElementById("delete-markers").addEventListener("click",deleteMarkers);// Adds a marker at the center of the map.addMarker(haightAshbury);}// Adds a marker to the map and push to the array.functionaddMarker(position){constmarker=newgoogle.maps.Marker({position,map,});markers.push(marker);}// Sets the map on all markers in the array.functionsetMapOnAll(map){for(leti=0;i<markers.length;i++){markers[i].setMap(map);}}// Removes the markers from the map, but keeps them in the array.functionhideMarkers(){setMapOnAll(null);}// Shows any markers currently in the array.functionshowMarkers(){setMapOnAll(map);}// Deletes all markers in the array by removing references to them.functiondeleteMarkers(){hideMarkers();markers=[];}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;}#floating-panel{position:absolute;top:10px;left:25%;z-index:5;background-color:#fff;padding:5px;border:1pxsolid#999;text-align:center;font-family:"Roboto","sans-serif";line-height:30px;padding-left:10px;}
<html>
<head>
<title>Removing Markers</title>
<link rel="stylesheet" type="text/css" href="./style.css" />
<script type="module" src="./index.js"></script>
</head>
<body>
<div id="floating-panel">
<input id="hide-markers" type="button" value="Hide Markers" />
<input id="show-markers" type="button" value="Show Markers" />
<input id="delete-markers" type="button" value="Delete Markers" />
</div>
<div id="map"></div>
<p>Click on the map to add markers.</p>
<!--
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>
Git and Node.js are required to run this sample locally. Follow theseinstructionsto 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 2025-09-04 UTC."],[[["\u003cp\u003eThis example demonstrates how to add, hide, show, and delete markers on a Google Map using the Maps JavaScript API.\u003c/p\u003e\n"],["\u003cp\u003eMarkers are added to the map when the user clicks, and stored in an array for management.\u003c/p\u003e\n"],["\u003cp\u003eUsers can interact with buttons to control the visibility and existence of markers on the map.\u003c/p\u003e\n"],["\u003cp\u003eThe provided code snippets include implementations in both JavaScript and TypeScript.\u003c/p\u003e\n"],["\u003cp\u003eWhile \u003ccode\u003egoogle.maps.Marker\u003c/code\u003e is deprecated, it is currently still functional, and this example uses it for demonstration purposes.\u003c/p\u003e\n"]]],["The core content details managing Google Maps markers. Users can click on the map to add markers, which are stored in an array. Buttons allow users to hide, show, or delete all markers. `google.maps.Marker` is deprecated as of February 21st, 2024, and users are encouraged to use `google.maps.marker.AdvancedMarkerElement` instead, available from version 3.53.2 of the API. Sample code in TypeScript, JavaScript, HTML, and CSS is provided, along with instructions to try and clone the example.\n"],null,["| As of February 21st, 2024 (v3.56), google.maps.Marker is deprecated. We encourage you to\n| transition to the new `google.maps.marker.AdvancedMarkerElement` class. Advanced\n| markers provide substantial improvements over the legacy `google.maps.Marker` class.\n| The minimum version of the Maps JavaScript API with `google.maps.marker.AdvancedMarkerElement`\n| is 3.53.2. At this time, google.maps.Marker is not scheduled to be discontinued.\n|\n| [Learn more](/maps/documentation/javascript/advanced-markers/migration)\n\nThis example creates a map where each click by the user creates a marker. Click\nthe buttons to hide or delete all of those markers.\n\nRead the [documentation](/maps/documentation/javascript/markers#remove). \n\nTypeScript \n\n```typescript\n// In the following example, markers appear when the user clicks on the map.\n// The markers are stored in an array.\n// The user can then click an option to hide, show or delete the markers.\nlet map: google.maps.Map;\nlet markers: google.maps.Marker[] = [];\n\nfunction initMap(): void {\n const haightAshbury = { lat: 37.769, lng: -122.446 };\n\n map = new google.maps.Map(document.getElementById(\"map\") as HTMLElement, {\n zoom: 12,\n center: haightAshbury,\n mapTypeId: \"terrain\",\n });\n\n // This event listener will call addMarker() when the map is clicked.\n map.addListener(\"click\", (event: google.maps.MapMouseEvent) =\u003e {\n addMarker(event.latLng!);\n });\n\n // add event listeners for the buttons\n document\n .getElementById(\"show-markers\")!\n .addEventListener(\"click\", showMarkers);\n document\n .getElementById(\"hide-markers\")!\n .addEventListener(\"click\", hideMarkers);\n document\n .getElementById(\"delete-markers\")!\n .addEventListener(\"click\", deleteMarkers);\n\n // Adds a marker at the center of the map.\n addMarker(haightAshbury);\n}\n\n// Adds a marker to the map and push to the array.\nfunction addMarker(position: google.maps.LatLng | google.maps.LatLngLiteral) {\n const marker = new google.maps.Marker({\n position,\n map,\n });\n\n markers.push(marker);\n}\n\n// Sets the map on all markers in the array.\nfunction setMapOnAll(map: google.maps.Map | null) {\n for (let i = 0; i \u003c markers.length; i++) {\n markers[i].setMap(map);\n }\n}\n\n// Removes the markers from the map, but keeps them in the array.\nfunction hideMarkers(): void {\n setMapOnAll(null);\n}\n\n// Shows any markers currently in the array.\nfunction showMarkers(): void {\n setMapOnAll(map);\n}\n\n// Deletes all markers in the array by removing references to them.\nfunction deleteMarkers(): void {\n hideMarkers();\n markers = [];\n}\n\ndeclare global {\n interface Window {\n initMap: () =\u003e void;\n }\n}\nwindow.initMap = initMap;https://github.com/googlemaps/js-samples/blob/2683f7366fb27829401945d2a7e27d77ed2df8e5/samples/marker-remove/index.ts#L8-L81\n```\n| **Note:** Read the [guide](/maps/documentation/javascript/using-typescript) on using TypeScript and Google Maps.\n\nJavaScript \n\n```javascript\n// In the following example, markers appear when the user clicks on the map.\n// The markers are stored in an array.\n// The user can then click an option to hide, show or delete the markers.\nlet map;\nlet markers = [];\n\nfunction initMap() {\n const haightAshbury = { lat: 37.769, lng: -122.446 };\n\n map = new google.maps.Map(document.getElementById(\"map\"), {\n zoom: 12,\n center: haightAshbury,\n mapTypeId: \"terrain\",\n });\n // This event listener will call addMarker() when the map is clicked.\n map.addListener(\"click\", (event) =\u003e {\n addMarker(event.latLng);\n });\n // add event listeners for the buttons\n document\n .getElementById(\"show-markers\")\n .addEventListener(\"click\", showMarkers);\n document\n .getElementById(\"hide-markers\")\n .addEventListener(\"click\", hideMarkers);\n document\n .getElementById(\"delete-markers\")\n .addEventListener(\"click\", deleteMarkers);\n // Adds a marker at the center of the map.\n addMarker(haightAshbury);\n}\n\n// Adds a marker to the map and push to the array.\nfunction addMarker(position) {\n const marker = new google.maps.Marker({\n position,\n map,\n });\n\n markers.push(marker);\n}\n\n// Sets the map on all markers in the array.\nfunction setMapOnAll(map) {\n for (let i = 0; i \u003c markers.length; i++) {\n markers[i].setMap(map);\n }\n}\n\n// Removes the markers from the map, but keeps them in the array.\nfunction hideMarkers() {\n setMapOnAll(null);\n}\n\n// Shows any markers currently in the array.\nfunction showMarkers() {\n setMapOnAll(map);\n}\n\n// Deletes all markers in the array by removing references to them.\nfunction deleteMarkers() {\n hideMarkers();\n markers = [];\n}\n\nwindow.initMap = initMap;https://github.com/googlemaps/js-samples/blob/2683f7366fb27829401945d2a7e27d77ed2df8e5/dist/samples/marker-remove/docs/index.js#L7-L72\n```\n| **Note:** The JavaScript is compiled from the TypeScript snippet.\n\nCSS \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\n#floating-panel {\n position: absolute;\n top: 10px;\n left: 25%;\n z-index: 5;\n background-color: #fff;\n padding: 5px;\n border: 1px solid #999;\n text-align: center;\n font-family: \"Roboto\", \"sans-serif\";\n line-height: 30px;\n padding-left: 10px;\n}\nhttps://github.com/googlemaps/js-samples/blob/2683f7366fb27829401945d2a7e27d77ed2df8e5/dist/samples/marker-remove/docs/style.css#L7-L38\n```\n\nHTML \n\n```html\n\u003chtml\u003e\n \u003chead\u003e\n \u003ctitle\u003eRemoving Markers\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 \u003cdiv id=\"floating-panel\"\u003e\n \u003cinput id=\"hide-markers\" type=\"button\" value=\"Hide Markers\" /\u003e\n \u003cinput id=\"show-markers\" type=\"button\" value=\"Show Markers\" /\u003e\n \u003cinput id=\"delete-markers\" type=\"button\" value=\"Delete Markers\" /\u003e\n \u003c/div\u003e\n \u003cdiv id=\"map\"\u003e\u003c/div\u003e\n \u003cp\u003eClick on the map to add markers.\u003c/p\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&callback=initMap&v=weekly\"\n defer\n \u003e\u003c/script\u003e\n \u003c/body\u003e\n\u003c/html\u003ehttps://github.com/googlemaps/js-samples/blob/2683f7366fb27829401945d2a7e27d77ed2df8e5/dist/samples/marker-remove/docs/index.html#L8-L36\n```\n\nTry Sample \n[JSFiddle.net](https://jsfiddle.net/gh/get/library/pure/googlemaps/js-samples/tree/master/dist/samples/marker-remove/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-marker-remove&cloudshell_tutorial=cloud_shell_instructions.md&cloudshell_workspace=.)\n\nClone 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-marker-remove 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"]]
