Redirect Unauthenticated jQuery Ajax calls

ajaxErrorRedirect.js

$(document).ajaxError(function (event, xhr, settings) {
    if (xhr.status == 401) {
        var return_path = encodeURIComponent(window.location.pathname + window.location.search);
        var loginPath = "/login.aspx" // Replace with your site's login page
        window.location.href = loginPath + "?return_url=" + return_path + "";
    }
 });