<p><button class="w3-btn w3-blue w3-round" onclick="getLocation()">Try It</button></p>
<div id="mapholder"></div>
<script src="https://maps.google.com/maps/api/js?key=AIzaSyBu-916DdpKAjTmJNIgngS6HL_kDIKU0aU"></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) { var lat=position.coords.latitude; var lon=position.coords.longitude; var latlon=new google.maps.LatLng(lat, lon) var mapholder=document.getElementById('mapholder') mapholder.style.height='250px'; mapholder.style.width='100%'; 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>