const sliders = document.querySelectorAll(".slider"); sliders.forEach((slider) => { const sliderItems = Array.from(slider.querySelectorAll(".slider-item")); const nextBtn = slider.querySelector(".next"); const prevBtn = slider.querySelector(".prev"); let counter = 0; const next = () => { if (counter < sliderItems.length - 1) { counter++; updateSlider(); } }; const prev = () => { if (counter > 0) { counter--; updateSlider(); } }; const updateSlider = () => { sliderItems.forEach((item) => { item.style.transform = `translateX(-${counter}00%)`; }); }; nextBtn.addEventListener("click", next); prevBtn.addEventListener("click", prev); });