ajax.js

<script src="http://code.jquery.com/jquery-latest.min.js"></script>
    
    <script>
	$(document).ready(function() {
  		$.ajaxSetup({ cache: false });

	setInterval(async () => {

	    $.ajax({
              url: 'callPy.php',
              success: function () {
                //alert("it played");
              }
           });

            $.getJSON("ajaxJson.json", function(data) {
               $.each(data, function(key, value){
                        $("#outDiv").text(value);
                      });
            });
            }, 4000);

	});
</script>