Landing Page Task 101 scrypt

$(document).ready(function () {
  AOS.init({
    once: true,
    startEvent: "load",
  });
  var slideIndex = 1;
  showSlides(slideIndex);

  // Next/previous controls
  function plusSlides(n) {
    showSlides((slideIndex += n));
  }

  // Thumbnail image controls
  function currentSlide(n) {
    showSlides((slideIndex = n));
  }

  function showSlides(n) {
    var i;
    var slides = document.getElementsByClassName("mySlides");
    var dots = document.getElementsByClassName("dot");
    if (n > slides.length) {
      slideIndex = 1;
    }
    if (n < 1) {
      slideIndex = slides.length;
    }
    for (i = 0; i < slides.length; i++) {
      slides[i].style.display = "none";
    }
    for (i = 0; i < dots.length; i++) {
      dots[i].className = dots[i].className.replace(" active", "");
    }
    slides[slideIndex - 1].style.display = "block";
    dots[slideIndex - 1].className += " active";
  }
});