I want to display dynamic marker on google map using JS

var locations = '<?php print_r(json_encode($locations)) ?>'
console.log(locations); 
var mymap = new GMaps({ 
el: '#mymap', 
lat: 31.5204, 
lng: 74.3587, 
zoom:6 }); 



mymap.addMarker({ 
lat: 31.5204, 
lng: 74.3587, 
click: function(e) { alert('This Is Lahore, Pakistan.'); } });

this is response

[{"id":1,"user_id":2,"latitude":"37.33068424","longitude":"37.33063124","attacked_by":"1","created_at":"2020-02-09 00:00:00","updated_at":"2020-02-16 00:00:00"}]

how can i add multiple pointers using this response lang lat?

via Chebli Mohamed