AJAX форма с ответом в fancybox

ajax form

$('#FORMFEED').on("submit", function(event) {
        var form = $(this);
        var form_data = new FormData(this);
        event.preventDefault();
        $.ajax({
            type: "POST",
            async: true,
            url: $(this).attr('action'),
            cache: false,
            contentType: false,
            processData: false,
            data: form_data,
            success: (function(result) {
                console.log(result);
                $("#modal-thanks").html(result);
                $.fancybox.close();
                $.fancybox.open({src  : '#modal-thanks'});
                setTimeout(function() {$.fancybox.close();},4500);
                form[0].reset();
            })
        });
    });