Form that makes browser redirect when accessed by either a regular form submit or an Ajax request - is this possible?

Question

I have a web page with a form. When the user submits the form, I want the server to make the browser redirect to a different page from the form action. Right now, I am doing

Answer 1

Will "complete" work:

$.ajax({
    type: frm.attr('method'),
    url: frm.attr('action'),
    data: frm.serialize(),
    complete: complete(xhr, status) {
       window.location.assign(xhr.getResponseHeader("Location"));

    }
});