This example shows which events are triggered as you interact with the map.
Read the documentation .
TypeScript
const events = [ 'bounds_changed' , 'center_changed' , 'click' , 'contextmenu' , 'dblclick' , 'drag' , 'dragend' , 'dragstart' , 'heading_changed' , 'idle' , 'maptypeid_changed' , 'mousemove' , 'mouseout' , 'mouseover' , 'projection_changed' , 'resize' , 'rightclick' , // use contextmenu 'tilesloaded' , 'tilt_changed' , 'zoom_changed' , ]; function setupListener ( map : google.maps.Map , name : string ) { const eventRow = document . getElementById ( name ) as HTMLElement ; google . maps . event . addListener ( map , name , () = > { eventRow . className = 'event active' ; const timeout = setTimeout (() = > { eventRow . className = 'event inactive' ; }, 1000 ); }); } async function initMap () { // Request needed libraries. ( await google . maps . importLibrary ( 'maps' )) as google . maps . MapsLibrary ; const mapElement = document . querySelector ( 'gmp-map' ) as google . maps . MapElement ; populateTable (); // Get the inner map. let innerMap = mapElement . innerMap ; innerMap . setOptions ({ mapTypeControl : false , }); for ( let i = 0 ; i < events . length ; i ++ ) { setupListener ( innerMap , events [ i ]); } } // Dynamically create the table of events from the defined hashmap function populateTable () { const eventsTable = document . getElementById ( 'sidebar' ) as HTMLElement ; for ( let i = 0 ; i < events . length ; i ++ ) { const eventDiv = document . createElement ( 'div' ); eventDiv . className = 'event' ; eventDiv . id = events [ i ]; eventDiv . innerText = events [ i ]; eventsTable . appendChild ( eventDiv ); } } initMap ();
JavaScript
const events = [ 'bounds_changed' , 'center_changed' , 'click' , 'contextmenu' , 'dblclick' , 'drag' , 'dragend' , 'dragstart' , 'heading_changed' , 'idle' , 'maptypeid_changed' , 'mousemove' , 'mouseout' , 'mouseover' , 'projection_changed' , 'resize' , 'rightclick' , // use contextmenu 'tilesloaded' , 'tilt_changed' , 'zoom_changed' , ]; function setupListener ( map , name ) { const eventRow = document . getElementById ( name ); google . maps . event . addListener ( map , name , () = > { eventRow . className = 'event active' ; const timeout = setTimeout (() = > { eventRow . className = 'event inactive' ; }, 1000 ); }); } async function initMap () { // Request needed libraries. ( await google . maps . importLibrary ( 'maps' )); const mapElement = document . querySelector ( 'gmp-map' ); populateTable (); // Get the inner map. let innerMap = mapElement . innerMap ; innerMap . setOptions ({ mapTypeControl : false , }); for ( let i = 0 ; i < events . length ; i ++ ) { setupListener ( innerMap , events [ i ]); } } // Dynamically create the table of events from the defined hashmap function populateTable () { const eventsTable = document . getElementById ( 'sidebar' ); for ( let i = 0 ; i < events . length ; i ++ ) { const eventDiv = document . createElement ( 'div' ); eventDiv . className = 'event' ; eventDiv . id = events [ i ]; eventDiv . innerText = events [ i ]; eventsTable . appendChild ( eventDiv ); } } initMap ();
CSS
/* Optional: Makes the sample page fill the window. */ html , body { height : 100 % ; margin : 0 ; padding : 0 ; } # container { height : 100 % ; } # sidebar { width : 280 px ; padding : 2 px ; margin-left : 10 px ; margin-top : 10 px ; overflow : hidden ; font-size : 15 px ; font-family : 'Droid Sans Mono' , monospace ; max-width : 300 px ; background-color : white ; } . active { background-color : #99ccff ; } . inactive { background-color : white ; }
HTML
<html> <head> <title>Map Events</title> <link rel="stylesheet" type="text/css" href="./style.css" /> <script type="module" src="./index.js"></script> <!-- 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> </head> <body> <gmp-map center="37.4419, -122.1419" zoom="13"> <div id="container" slot="control-inline-start-block-start"> <div id="sidebar"></div> </div> </gmp-map> </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.gitcd samples / map - eventsnpm inpm start
