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;
    });
}