script.js

const imgs = document.querySelectorAll('.header-slider ul img');
const prev_btn = document.querySelector('.control-prev');
const next_btn = document.querySelector('.control-next');

let n = 0;

function changeSlide(){
    for (let i = 0; i < imgs.length; i++) {
        imgs[i].style.display = 'none';
    }
    imgs[n].style.display = 'block';
}
changeSlide();

prev_btn.addEventListener('click',(e)=>{
    if (n > 0){
        n--;
    }
    else{
        n = imgs.length - 1;
    }
    changeSlide();
})
next_btn.addEventListener('click',(e)=>{
    if (n < imgs.length - 1){
        n++;
    }
    else{
        n = 0;
    }
    changeSlide();
})
const scrollContainer = document.querySelectorAll('.products');
for (const item of scrollContainer) {
    item.addEventListener('wheel', (evt)=>{
        evt.preventDefault();
        item.scrollLeft += evt.deltaY;
    });
}