Make markers draggable

This example map shows a draggable marker that displays its updated position when dragging is finished (the dragend event is fired).

Read the documentation .

TypeScript

 async 
  
 function 
  
 initMap 
 () 
  
 { 
  
 // Request needed libraries. 
  
 const 
  
 { 
  
 Map 
 , 
  
 InfoWindow 
  
 } 
  
 = 
  
 await 
  
 google 
 . 
 maps 
 . 
 importLibrary 
 ( 
 "maps" 
 ) 
  
 as 
  
 google 
 . 
 maps 
 . 
 MapsLibrary 
 ; 
  
 const 
  
 { 
  
 AdvancedMarkerElement 
  
 } 
  
 = 
  
 await 
  
 google 
 . 
 maps 
 . 
 importLibrary 
 ( 
 "marker" 
 ) 
  
 as 
  
 google 
 . 
 maps 
 . 
 MarkerLibrary 
 ; 
  
 const 
  
 map 
  
 = 
  
 new 
  
 Map 
 ( 
 document 
 . 
 getElementById 
 ( 
 'map' 
 ) 
  
 as 
  
 HTMLElement 
 , 
  
 { 
  
 center 
 : 
  
 { 
 lat 
 : 
  
 37.39094933041195 
 , 
  
 lng 
 : 
  
 - 
 122.02503913145092 
 }, 
  
 zoom 
 : 
  
 14 
 , 
  
 mapId 
 : 
  
 '4504f8b37365c3d0' 
 , 
  
 }); 
  
 const 
  
 infoWindow 
  
 = 
  
 new 
  
 InfoWindow 
 (); 
  
 const 
  
 draggableMarker 
  
 = 
  
 new 
  
 AdvancedMarkerElement 
 ({ 
  
 map 
 , 
  
 position 
 : 
  
 { 
 lat 
 : 
  
 37.39094933041195 
 , 
  
 lng 
 : 
  
 - 
 122.02503913145092 
 }, 
  
 gmpDraggable 
 : 
  
 true 
 , 
  
 title 
 : 
  
 "This marker is draggable." 
 , 
  
 }); 
  
 draggableMarker 
 . 
 addListener 
 ( 
 'dragend' 
 , 
  
 ( 
 event 
 ) 
  
 = 
>  
 { 
  
 const 
  
 position 
  
 = 
  
 draggableMarker 
 . 
 position 
  
 as 
  
 google 
 . 
 maps 
 . 
 LatLng 
 ; 
  
 infoWindow 
 . 
 close 
 (); 
  
 infoWindow 
 . 
 setContent 
 ( 
 `Pin dropped at: 
 ${ 
 position 
 . 
 lat 
 } 
 , 
 ${ 
 position 
 . 
 lng 
 } 
 ` 
 ); 
  
 infoWindow 
 . 
 open 
 ( 
 draggableMarker 
 . 
 map 
 , 
  
 draggableMarker 
 ); 
  
 }); 
 } 
 initMap 
 (); 
  

JavaScript

 async 
  
 function 
  
 initMap 
 () 
  
 { 
  
 // Request needed libraries. 
  
 const 
  
 { 
  
 Map 
 , 
  
 InfoWindow 
  
 } 
  
 = 
  
 await 
  
 google 
 . 
 maps 
 . 
 importLibrary 
 ( 
 "maps" 
 ); 
  
 const 
  
 { 
  
 AdvancedMarkerElement 
  
 } 
  
 = 
  
 await 
  
 google 
 . 
 maps 
 . 
 importLibrary 
 ( 
 "marker" 
 ); 
  
 const 
  
 map 
  
 = 
  
 new 
  
 Map 
 ( 
 document 
 . 
 getElementById 
 ( 
 'map' 
 ), 
  
 { 
  
 center 
 : 
  
 { 
  
 lat 
 : 
  
 37.39094933041195 
 , 
  
 lng 
 : 
  
 - 
 122.02503913145092 
  
 }, 
  
 zoom 
 : 
  
 14 
 , 
  
 mapId 
 : 
  
 '4504f8b37365c3d0' 
 , 
  
 }); 
  
 const 
  
 infoWindow 
  
 = 
  
 new 
  
 InfoWindow 
 (); 
  
 const 
  
 draggableMarker 
  
 = 
  
 new 
  
 AdvancedMarkerElement 
 ({ 
  
 map 
 , 
  
 position 
 : 
  
 { 
  
 lat 
 : 
  
 37.39094933041195 
 , 
  
 lng 
 : 
  
 - 
 122.02503913145092 
  
 }, 
  
 gmpDraggable 
 : 
  
 true 
 , 
  
 title 
 : 
  
 "This marker is draggable." 
 , 
  
 }); 
  
 draggableMarker 
 . 
 addListener 
 ( 
 'dragend' 
 , 
  
 ( 
 event 
 ) 
  
 = 
>  
 { 
  
 const 
  
 position 
  
 = 
  
 draggableMarker 
 . 
 position 
 ; 
  
 infoWindow 
 . 
 close 
 (); 
  
 infoWindow 
 . 
 setContent 
 ( 
 `Pin dropped at: 
 ${ 
 position 
 . 
 lat 
 } 
 , 
 ${ 
 position 
 . 
 lng 
 } 
 ` 
 ); 
  
 infoWindow 
 . 
 open 
 ( 
 draggableMarker 
 . 
 map 
 , 
  
 draggableMarker 
 ); 
  
 }); 
 } 
 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>Draggable Advanced Marker</title>

    <link rel="stylesheet" type="text/css" href="./style.css" />
    <script type="module" src="./index.js"></script>
  </head>
  <body>
    <div id="map"></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: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8", v: "weekly"});</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 
  
 https 
 : 
 //github.com/googlemaps-samples/js-api-samples.git 
 
  
  cd 
  
 samples 
 / 
 advanced 
 - 
 markers 
 - 
 draggable 
 
  
  npm 
  
 i 
 
  
  npm 
  
 start 
 
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