Clash Royale CLAN TAG#URR8PPP

Why my looping doesnt work. this marker for google maps doesnt work

i try to mark some places use looping with interval time. but actually it doesnt work. marked called just one. this is my code

var count = 4;
var nlat = 0;
var nlng = 0;
var counti = 0;
var map;
var marker;
var old_nlat;
var old_nlng;
var dlat;
var dlng;
var n_lat;
var n_lng;

function activate()
// this my function to activate
old_nlat = nlat;
old_nlng = nlng;
nlat = lks[counti].l1;
nlng = lks[counti].l2;
var myLatLng = lat: nlat, lng: nlng ;
if (marker == null)
marker = new google.maps.Marker(
position: myLatLng,
map: map,
);
else
setTimeout(transition, 500);

counti++;
marker.setMap(map);


function transition()
// this function to transition
j = 0;
dlat = (nlat - old_nlat) / 100;
dlng = (nlng - old_nlng) / 100;
n_lat = old_nlat;
n_lng = old_nlng;
move();


function move()
// this function to my marker is move
n_lat += dlat;
n_lng += dlng;
var n_myLatLng = lat: n_lat, lng: n_lng ;
marker.setPosition(n_myLatLng);
if (j != 100)
j++;
setTimeout(move, 5);



function automark()
// looping in here
do
setTimeout(activate, 500);
var n_myLatLng = lat: n_lat, lng: n_lng ;
marker.setPosition(n_myLatLng);
while (counti < count);

function initAutocomplete()
map = new google.maps.Map(document.getElementById("map"),
zoom: 13,
center: lat: -7.2566169, lng: 112.7142751 ,
);
automark();

window.onload = initAutocomplete;


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