How to refresh a page from jquery [closed]

jQuery(document).ready(function ($j) {
        $j('#wp_button').on('click', function() {
            var data = {
                action: 'response',
                myid: ajax_var.mypostid,
                ajaxvar: variable,
            };
            $.post(ajax_var.ajaxurl, data, function(response) {
                    alert(response);   
                    location.reload();    
            });
            return false;  
        });
});

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)