Uncaught TypeError: map.drawCircle is not a function

Question

Here, the error will shows in this line 'circle = map.drawCircle({ ......

 

Eror:Uncaught TypeError: map.drawCircle is not a function,

 

How do I get past the solution for this?help me to solve this

<script type="text/javascript">
var poi_coordinates = [[32.27, 77.19],[32.25, 77.22] , [32.23, 77.21], [32.24, 77.17],[26.61,77.19]]
var lattitude = 32.25; //28.6339;
var longitude = 77.19; //77.2200;
//creating map
var latlng = new google.maps.LatLng(21.16536,72.79387);
var myOptions = {
zoom: 5,
center: latlng,
mapTypeId: google.maps.MapTypeId.ROADMAP
};
map = new google.maps.Map(document.getElementById('map'), myOptions);
//creating geofence
circle = map.drawCircle({
lat: lattitude,
lng: longitude,
strokeColor: '#fff',
strokeOpacity: 1,
strokeWeight: 3,
fillColor: 'rgba(75,255,0,0.2)',
fillOpacity: 0.4,
radius: 4000,
editable: true,
});
//Plotting Main Coordinates
map.addMarker({
lat: lattitude,
lng: longitude,
draggable: true,
fences: [circle],
outside: function (marker, fence) {
alert('This marker has been moved outside of its fence');
}
});
//Plotting extra coordinates
for (var a = 0; a < poi_coordinates.length; a++) {
if (map.checkGeofence(poi_coordinates[a][0], poi_coordinates[a][1], circle)) {
//Code work properly as it should if I add this alert line
//alert(map.checkGeofence(poi_coordinates[a][0], poi_coordinates[a][1], circle))
map.addMarker({
lat: poi_coordinates[a][0],
lng: poi_coordinates[a][1],
draggable: true,
fences: [circle],
outside: function (marker, fence) {
alert('This marker has been moved outside of its fence');
}
});
}
else {
alert(poi_coordinates[a][0] + "," + poi_coordinates[a][1] + ' is out of the 4 Km fence')
}
}
</script>