Get city name by location

location.js

function errorLocation(msg) {
        console.log(msg);
    }

    function successLocation(position) {
        var latlng = new google.maps.LatLng(position.coords.latitude, position.coords.longitude);
        var geocoder = new google.maps.Geocoder();
        geocoder.geocode({'latLng': latlng}, function(results, status) {
            if (status == google.maps.GeocoderStatus.OK) {
                var result = results[0];
                //look for locality tag and administrative_area_level_1
                var city = "";
                for(var i=0, len=result.address_components.length; i<len; i++) {
                    var ac = result.address_components[i];
                    if(ac.types.indexOf("locality") >= 0) city = ac.long_name;
                }

                //only report if we got Good Stuff
                if(city != '' && state != '') {
                    $('#location-input').val(city);
                }
            }
        });
    }

    if (navigator.geolocation) {
        navigator.geolocation.getCurrentPosition(successLocation, errorLocation);
    }