JSFiddle - React, Tailwind, and code Playground

by Jordan Sayner

HTML

<div data-slider class="slider">
    <div class="slider__slides">
        <div class="slider__slide">Slide 1</div>
        <div class="slider__slide">Slide 2</div>
        <div class="slider__slide">Slide 3</div>
        <!-- Add more slides as needed -->
    </div>
    <button class="prev">Previous</button>
    <button class="next">Next</button>
    <div class="slider__info">
        <span class="current-slide">1</span> / <span class="total-slides"></span>
    </div>
</div>

JavaScript

const sliders = document.querySelectorAll('[data-slider]');

sliders.forEach(slider => {
    const slides = slider.querySelector('.slider__slides');
    const slideElements = slider.querySelectorAll('.slider__slide');
    const slideCount = slideElements.length;
    const currentSlideElement = slider.querySelector('.current-slide');
    const totalSlidesElement = slider.querySelector('.total-slides');
    let currentIndex = 0;

    // Set the total number of slides in the slider__info element
    totalSlidesElement.textContent = slideCount;

    const updateSlidePosition = () => {
        slides.style.transform = `translateX(-${currentIndex * 100}%)`;
        // Update the current slide number
        currentSlideElement.textContent = currentIndex + 1;
    };

    const handleResize = () => {
        updateSlidePosition();
    };

    window.addEventListener('resize', handleResize);

    slider.querySelector('.next').addEventListener('click', () => {
        currentIndex = (currentIndex + 1) % slideCount;
        updateSlidePosition();
    });

    slider.querySelector('.prev').addEventListener('click', () => {
        currentIndex = (currentIndex - 1 + slideCount) % slideCount;
        updateSlidePosition();
    });

    // Initial update to set the correct positions and slide number
    updateSlidePosition();
});