get current location javascript google maps
// Note: This example requires that you consent to location sharing when
// prompted by your browser. If you see the error "The Geolocation service
// failed.", it means you probably did not give permission for the browser to
// locate you.
let map, infoWindow;
function initMap() {
map = new google.maps.Map(document.getElementById("map"), {
center: { lat: -34.397, lng: 150.644 },
zoom: 6,
});
infoWindow = new google.maps.InfoWindow();
const locationButton = document.createElement("button");
locationButton.textContent = "Pan to Current Location";
locationButton.classList.add("custom-map-control-button");
map.controls[google.maps.ControlPosition.TOP_CENTER].push(locationButton);
locationButton.addEventListener("click", () => {
// Try HTML5 geolocation.
if (navigator.geolocation) {
navigator.geolocation.getCurrentPosition(
(position) => {
const pos = {
lat: position.coords.latitude,
lng: position.coords.longitude,
};
infoWindow.setPosition(pos);
infoWindow.setContent("Location found.");
infoWindow.open(map);
map.setCenter(pos);
},
() => {
handleLocationError(true, infoWindow, map.getCenter());
}
);
} else {
// Browser doesn't support Geolocation
handleLocationError(false, infoWindow, map.getCenter());
}
});
}
function handleLocationError(browserHasGeolocation, infoWindow, pos) {
infoWindow.setPosition(pos);
infoWindow.setContent(
browserHasGeolocation
? "Error: The Geolocation service failed."
: "Error: Your browser doesn't support geolocation."
);
infoWindow.open(map);
}