i have this following code which shows a map initially at some position and then after clicking the button "try it" i want to show the user's current location. here is the code
<!DOCTYPE html>
<html>
<head>
<script
src="http://maps.googleapis.com/maps/a…
</script>
<script>
function initialize()
{
var mapProp = {
center:new google.maps.LatLng(51.508742,-0.120850),
zoom:5,
mapTypeId:google.maps.MapTypeId.ROADMAP
};
var map=new google.maps.Map(document.getElementById(…
}
google.maps.event.addDomListener(windo… 'load', initialize);
</script>
</head>
<body>
<div id="googleMap" style="width:500px;height:380px;"></div>
<p id="demo">Click the button to get your position:</p>
<button onclick="getLocation()">Try It</button>
<script>
var x=document.getElementById("demo");
function getLocation()
{
if (navigator.geolocation)
{
navigator.geolocation.getCurrentPosition…
}
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(google…
mapholder.style.height='500px';
mapholder.style.width='500px';
var myOptions={
center:latlon,zoom:7,
mapTypeId:google.maps.MapTypeId.ROADMAP,
mapTypeControl:false,
navigationControlOptions:{style:google.m…
};
var map=new google.maps.Map(document.getElementById(…
var marker=new google.maps.Marker({position:latlon,map:… 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>
the map is showing initially but after clicking the try it button nothing is happening. what to do?
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