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

<script>
	"use strict";

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

		_data.ajaxForm({
			url: '<?php echo cl_link("native_api/cpanel/create_backup"); ?>',
			type: 'POST',
			dataType: 'json',
			beforeSend: function() {
				SMC_CPanel.waitme("show");

				_data.find('[data-an="submit-ctrl"]').attr('disabled', 'true').text("Please wait");
			},
			success: function(data) {
				if (data.status == 200) {
					cl_bs_notify("A new backup of your site has been created successfully!", 3000);
					_data.find('[data-an="last-backup-date"]').text(data.last_backup);
				}
				else {
					SMC_CPanel.errorMSG();
				}
			},
			complete: function() {
				SMC_CPanel.waitme();

				_data.find('[data-an="submit-ctrl"]').removeAttr('disabled').text("Create backup");
			}
		});
	});
</script>