跳至内容
const carouselSlide = document.querySelector('.carousel-slide')；
const items = document.querySelectorAll('.carousel-item')；
const prevButton = document.querySelector('.carousel-prev')；
const nextButton = document.querySelector('.carousel-next')；
让 index = 0；
function showItem(index) {
carouselSlide.style.transform = `translateX(${-index * 100}%)`；
}
nextButton.addEventListener('click', () => {
index = (index + 1) % items.length；
showItem(index)；
});
prevButton.addEventListener('click', () => {
index = (index - 1 + items.length) % items.length；
显示项目（索引）；
});
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