File Content: dismiss.js ;(function ($) { "use strict"; $(document).on('click', '.cpt-notice-dismiss', function (e) { e.preventDefault(); let notice = $(this).parents('.notice'); let key = $(this).data('key'); $.ajax({ url: cms_portal.ajax_url, type: "POST", beforeSend: function () { }, data: { action: 'cpt_dismiss', key: key }, }).done(function (res) { }).fail(function (res) { }).always(function () { notice.fadeTo( 100, 0, function() { notice.slideUp( 100, function() { notice.remove(); }); }); }); }); })(jQuery); Submit