View file themes/default/apps/cpanel/assets/ads_settings/scripts/app_master_script.phtml

<script>
	"use strict";

	$(document).ready(function($) {
		var _app  = $('[data-app="ads-settings"]');
		var _data = _app.find('form[data-an="form"]');

		_data.ajaxForm({
			url: '<?php echo cl_link("native_api/cpanel/save_settings"); ?>',
			type: 'POST',
			dataType: 'json',
			beforeSend: function() {
				_data.find('small.invalid-feedback').remove();
				_data.find('[data-an="submit-ctrl"]').attr('disabled', 'true').text("Please wait");
			},
			success: function(data) {
				if (data.status == 200) {
					cl_bs_notify("Your changes have been saved successfully!", 3000);
				}
				else {
					_data.find('[data-an="{0}-input"]'.format(data.err_field)).append($('<small>', {
						text: data.message,
						class: 'invalid-feedback animated flash'
					})).scroll2();
				}
			},
			complete: function() {
				_data.find('[data-an="submit-ctrl"]').removeAttr('disabled').text("Save changes");
			}
		});
	});
</script>