let slideIndex = 0; showSlides(); function showSlides() { const slides = document.getElementsByClassName("testimonial-slide"); for (let i = 0; i < slides.length; i++) { slides[i].style.display = "none"; } slideIndex++; if (slideIndex > slides.length) {slideIndex = 1} slides[slideIndex - 1].style.display = "block"; setTimeout(showSlides, 3000); // Change slide every 3 seconds } function changeSlide(n) { slideIndex += n - 1; showSlides(); }