点击轮播js

<div class="carousel">
  <div class="carousel-inner">
    <div class="carousel-item">Item 1</div>
    <div class="carousel-item">Item 2</div>
    <div class="carousel-item">Item 3</div>
  </div>
  <button class="prev-btn">Prev</button>
  <button class="next-btn">Next</button>
</div>

.carousel {
  position: relative;
  width: 300px;
  overflow: hidden;
}

.carousel-inner {
  display: flex;
  transition: transform 0.5s ease-in-out;
}

.carousel-item {
  min-width: 100%;
  padding: 20px;
  box-sizing: border-box;
}

.prev-btn, .next-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
}

document.addEventListener('DOMContentLoaded', function() {
  const carouselInner = document.querySelector('.carousel-inner');
  const items = document.querySelectorAll('.carousel-item');
  const prevBtn = document.querySelector('.prev-btn');
  const nextBtn = document.querySelector('.next-btn');
  let currentIndex = 0;

  function updateCarousel() {
    const offset = -currentIndex * 100;
    carouselInner.style.transform = `translateX(${offset}%)`;
  }

  prevBtn.addEventListener('click', () => {
    currentIndex = (currentIndex > 0) ? currentIndex - 1 : items.length - 1;
    updateCarousel();
  });

  nextBtn.addEventListener('click', () => {
    currentIndex = (currentIndex < items.length - 1) ? currentIndex + 1 : 0;
    updateCarousel();
  });
});