Preview:
<script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>

<script>

var $ = jQuery

$(document).ready(function(){

$('.reboot-slider').each(function(){

var $this = $(this),
    currentSlide = 0,
    previousSlide = 0,
    slideNumber = $this.find('.reboot-side-slider .swiper-slide:not(.swiper-slide-duplicate)').length,
    barHTML = '',
    forward,
    textContainer = $this.find('.reboot-changing-widget')

for(var i=0; i<slideNumber;i++){

    barHTML += `<span class="dot"><span class="dot-number">${i+1}</span></span>`
}

$this.find('.reboot-bar .dot').remove()
$this.find('.reboot-bar').append(barHTML)
$this.find('.reboot-bar .dot').eq(0).addClass('active')

textContainer.each(function(){
    var texts = $(this).find('.elementor-widget').eq(0)
    texts.addClass('currentUp')
    $(this).css('--h', texts.height()+'px')
})

setTimeout(function(){
    $this.addClass('loaded')
    if($this.find('.reboot-side-slider .swiper-container-initialized, .reboot-side-slider .swiper-initialized').length){
        $this.find('.reboot-side-slider').addClass('loaded')
    }

    var init = setInterval(function(){
        if($this.find('.reboot-side-slider .swiper-container-initialized, .reboot-side-slider .swiper-initialized').length){

            $this.find('.reboot-side-slider').addClass('loaded')
            clearInterval(init)
        }
    },50)
}, 500)

var bgs = JSON.parse($this.attr('data-settings')).background_slideshow_gallery,
    bgHTML = '<div class="reboot-slider-background">'

if(bgs){
    bgs.forEach(function(background){
        bgHTML += `<img decoding="async" src="${background.url}"/>`
    })
}
bgHTML += '</div>'

$this.find('.reboot-slider-background').remove()
$this.prepend(bgHTML)

var backgrounds = $this.find('.reboot-slider-background img')

backgrounds.eq(0).addClass('currentForward')

setInterval(function(){
    currentSlide = $this.find('.reboot-side-slider .swiper-slide-active').attr('data-swiper-slide-index')
    if(previousSlide != currentSlide) {

        if( previousSlide < currentSlide ){
            forward = true
        }
        if( previousSlide > currentSlide ){
            forward = false
        }
        if( previousSlide == slideNumber - 1 && currentSlide == 0 ){
            forward = true
        }
        if( previousSlide == 0 && currentSlide == slideNumber - 1 ){
            forward = false
        }
        textContainer.each(function(){
            var texts = $(this).find('.elementor-widget')

            $(this).css('--h', texts.eq(currentSlide).height()+'px')

            texts.removeClass('prev next currentUp currentDown')
            backgrounds.removeClass('prev currentBackward currentForward')

            backgrounds.eq(previousSlide).addClass('prev')

            if(forward) {
                texts.eq(previousSlide).addClass('prev')
                texts.eq(currentSlide).addClass('currentUp')

                backgrounds.eq(currentSlide).addClass('currentForward')

            }else{
                texts.eq(previousSlide).addClass('next')
                texts.eq(currentSlide).addClass('currentDown')

                backgrounds.eq(currentSlide).addClass('currentBackward')
            }
        })

        $this.find('.reboot-bar .dot').removeClass('active')
        $this.find('.reboot-bar .dot').eq(currentSlide).addClass('active')
    }
    previousSlide = currentSlide
}, 500)

$this.find('.reboot-bar .dot').on('click', function(){

    var index = $(this).index()

    $this.find('.reboot-side-slider .swiper-pagination-bullet').eq(index).trigger('click')
    $this.find('.reboot-side-slider .swiper-container').trigger('mouseleave')

})
$this.find('.reboot-slider-left').on('click', function(){

    $this.find('.reboot-side-slider .elementor-swiper-button-prev').trigger('click')
    $this.find('.reboot-side-slider .elementor-swiper').trigger('mouseleave')
})
$this.find('.reboot-slider-right').on('click', function(){

    $this.find('.reboot-side-slider .elementor-swiper-button-next').trigger('click')
    $this.find('.reboot-side-slider .elementor-swiper').trigger('mouseleave')
})
$this.find('.reboot-slider-left a, .reboot-slider-right a').on('click', function(e){

    e.preventDefault()
})

})
})

$(window).on('resize', function(){


$('.reboot-slider').each(function(){

    var textContainer = $(this).find('.reboot-changing-widget')

    textContainer.each(function(){
        var texts = $(this).find('.elementor-widget.currentUp, .elementor-widget.currentDown')

        $(this).css('--h', texts.height()+'px')
    })
})
})

</script>
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