const map = new google.maps.Map(document.getElementById("map"), {

zoom: 8,

center: { lat: 63.333, lng: -150.5 }, // Denali.

mapTypeId: "terrain",

});

const elevator = new google.maps.ElevationService();

const infowindow = new google.maps.InfoWindow({});

infowindow.open(map);

// Add a listener for the click event. Display the elevation for the LatLng of

// the click inside the infowindow.

map.addListener("click", (event) => {

displayLocationElevation(event.latLng, elevator, infowindow);

});

// Initiate the location request

elevator

.getElevationForLocations({

locations: [location],

})

.then(({ results }) => {

infowindow.setPosition(location);

// Retrieve the first result

if (results[0]) {

// Open the infowindow indicating the elevation at the clicked position.

infowindow.setContent(

"The elevation at this point <br>is " +

results[0].elevation +

" meters.",

);

} else {

infowindow.setContent("No results found");

}

})

.catch((e) =>

infowindow.setContent("Elevation service failed due to: " + e),

);