call php function from a js script

call_func.js

<script src="/vendor/jquery/jquery-1.12.0.min.js"></script> 
<script type='text/javascript'> 
        function stats(x) { 
                var s = x.split('\n'); 
                var thead = document.getElementById('arping'); 
                for (i=0; i<s.length; i++) { 
                        if (s[i] != '') { 
                                var tr = document.createElement('tr'); 
                                var d = s[i].split(';'); 
                                var name = document.createTextNode(d[0]); 
                                var td = document.createElement('td'); 
                                td.appendChild(name); 
                                for (y=0; y<d.length-1; y++) { 
                                        var th = document.createElement('th'); 
                                        var text = document.createTextNode(d[y+1]); 
                                        th.appendChild(text); 
                                        td.appendChild(th); 
                                } 
                                tr.appendChild(td); 
                        } 
                        thead.appendChild(tr); 
                } 
        } 
 
        function read_monitor() { 
                url = '/Monitor.php'; 
                $.ajax(url, { 
                        type: 'get', 
                        success: function(data) { 
                                stats(data); 
                        } 
                }); 
        } 
        read_monitor(); 
</script>