Displaying current location in Homepage

  • Hello, how do I create in such a way that the browser will prompt for user’s location in the homepage and show the user’s location in the Google Maps?

    I’ve tried the following code but I’m getting 404 error when I tried publishing:

    <!DOCTYPE html>
<html>
<body>

<p id="demo">Click the button to get your position.</p>

<button onclick="getLocation()">Try It</button>

<div id="mapholder"></div>

<script src="https://maps.google.com/maps/api/js?sensor=false"></script>

<script>
var x = document.getElementById("demo");
function getLocation() {
    if (navigator.geolocation) {
        navigator.geolocation.getCurrentPosition(showPosition, showError);
    } else {
        x.innerHTML = "Geolocation is not supported by this browser.";
    }
}

function showPosition(position) {
    lat = position.coords.latitude;
    lon = position.coords.longitude;
    latlon = new google.maps.LatLng(lat, lon)
    mapholder = document.getElementById('mapholder')
    mapholder.style.height = '250px';
    mapholder.style.width = '500px';

    var myOptions = {
    center:latlon,zoom:14,
    mapTypeId:google.maps.MapTypeId.ROADMAP,
    mapTypeControl:false,
    navigationControlOptions:{style:google.maps.NavigationControlStyle.SMALL}
    }
    
    var map = new google.maps.Map(document.getElementById("mapholder"), myOptions);
    var marker = new google.maps.Marker({position:latlon,map:map,title:"You are here!"});
}

function showError(error) {
    switch(error.code) {
        case error.PERMISSION_DENIED:
            x.innerHTML = "User denied the request for Geolocation."
            break;
        case error.POSITION_UNAVAILABLE:
            x.innerHTML = "Location information is unavailable."
            break;
        case error.TIMEOUT:
            x.innerHTML = "The request to get user location timed out."
            break;
        case error.UNKNOWN_ERROR:
            x.innerHTML = "An unknown error occurred."
            break;
    }
}
</script>

</body>
</html>

    I got the code from: https://www.w3schools.com/html/tryit.asp?filename=tryhtml5_geolocation_map_script

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