for each slide to .slider-dots const sliderDots = document.querySelector('.slider-dots'); function createSliderDots() { slides.forEach((slide, i) => { const dot = document.createElement('div'); dot.classList.add('dot'); dot.dataset.slide = i; sliderDots.appendChild(dot); }); } createSliderDots(); // get all .dot buttons const dots = document.querySelectorAll('.dot'); dots[0].classList.add('active'); // when .dot clicked go to that slide dots.forEach(dot => { dot.addEventListener('click', (event, i) => { const current = document.querySelector('.slider-slide.active'); current.classList.remove('active'); slides[dot.dataset.slide].classList.add('active'); // remove .active from all .dot buttons dots.forEach(dot => { dot.classList.remove('active'); }); event.target.classList.add('active'); updateSlideCount(); }); }); function updateDot() { const current = document.querySelector('.slider-slide.active'); const index = Array.from(slides).indexOf(current); dots.forEach(dot => { dot.classList.remove('active'); }); dots[index].classList.add('active'); } function autoSlide() { const current = document.querySelector('.slider-slide.active'); current.classList.remove('active'); if (current.nextElementSibling && current.nextElementSibling.classList.contains('slider-slide')) { current.nextElementSibling.classList.add('active'); } else { slides[0].classList.add('active'); } updateSlideCount(); updateDot(); } setInterval(autoSlide, 7000);