https://www.padreefiglio.it/assets/mbr-tabs/mbr-tabs.js

1$.fn.outerFind = function(selector) {
2    return this.find(selector).addBack(selector);
3};
4function initTabs(target) {
5    if ($(target).find('.nav-tabs').length !== 0) {
6        $(target).outerFind('section[id^="tabs"]').each(function() {
7            var componentID = $(this).attr('id');
8            var $tabsNavItem = $(this).find('.nav-tabs .nav-item');
9            var $tabPane = $(this).find('.tab-pane');
10
11            $tabPane.removeClass('active').eq(0).addClass('active');
12
13            $tabsNavItem.find('a').removeClass('active').removeAttr('aria-expanded')
14                .eq(0).addClass('active');
15
16            $tabPane.each(function() {
17                $(this).attr('id', componentID + '_tab' + $(this).index());
18            });
19
20            $tabsNavItem.each(function() {
21                $(this).find('a').attr('href', '#' + componentID + '_tab' + $(this).index());
22            });
23        });
24    }
25}
26
27// Mobirise Initilizaton
28var isBuilder = $('html').hasClass('is-builder');
29if (isBuilder) {
30    $(document).on('add.cards', function(e) {
31        initTabs(e.target);
32    });
33} else {
34    if (typeof window.initTabsPlugin === 'undefined'){
35        window.initTabsPlugin = true;
36        console.log('init tabs by plugin');
37        initTabs(document.body);
38    }
39}