Bootstrap Carousel Count 1/#

// Bootstrap Carousel Counter 1/#
let elCarousel = document.querySelectorAll('.block-alert-banner .carousel');
elCarousel.forEach(function (elCar) {
    let elCarouselItem = elCar.querySelector('.carousel-item');
    let elCarouselCounter = elCar.querySelector('.crsl_slide-counter');
    let totalItems = elCar.childElementCount;
    elCarouselCounter.innerHTML = '1/' + totalItems + '';
    elCar.addEventListener('slid.bs.carousel', function (e) {
        let currentItem =  elCar.querySelector('.carousel-item.active');
        let currentIndex = e.to + 1;
        elCarouselCounter.innerHTML = '' + currentIndex + '/' + totalItems + '';
    });
});