구글 마커 안나옴 Error InvalidValueError: setMap: not an instance of Map; and not an instance of StreetViewPanorama

error code

Error InvalidValueError: setMap: not an instance of Map; and not an instance of StreetViewPanorama

 

before  code

    function makeGMap(lat,lng,code){
        var mapdata="map"+code
        var latdata=lat
        var lngdata=lng
        var myLatLng = {
            lat:latdata,
            lng:lngdata
        };
        var mapcode = new google.maps.Map(document.getElementById("map"+code), {
            zoom: 16,
            center: myLatLng
        });
        var markercode = new google.maps.Marker({
            position:myLatLng,
            map:mapdata
        });
    }

 

after code

    function makeGMap(lat,lng,code){
        var mapdata="map"+code
        var latdata=lat
        var lngdata=lng
        var myLatLng = {
            lat:latdata,
            lng:lngdata
        };
        var mapcode = new google.maps.Map(document.getElementById("map"+code), {
            zoom: 16,
            center: myLatLng
        });
        var markercode = new google.maps.Marker({
            position:myLatLng,
            map:mapcode
        });
    }

 

cahange code : 

        var markercode = new google.maps.Marker({
            position:myLatLng,
            map:mapcode
        });