JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
  <button class="prev" onclick="plus(-1)"></button>
    <button class="next" onclick="plus(1)"> > </button>
    <div class="carousel">
      <img src="https://picsum.photos/id/236/980/320" alt="">
    </div>
    <div class="carousel">
      <img src="https://picsum.photos/id/235/980/320" alt="">
    </div>
    <div class="carousel">
      <img src="https://picsum.photos/id/234/980/320" alt="">
    </div>
    <div class="carousel">
      <img src="https://picsum.photos/id/233/980/320" alt="">
    </div>
    <div class="carousel">
      <img src="https://picsum.photos/id/232/980/320" alt="">
    </div>
</div>

CSS

.container{
  width: 980px;
  position: relative;
  margin: auto;
}
.carousel{
  display: none;
}
.prev, .next{
  position: absolute;
  top: 50%;
  border: none;
  color: #fff;
  user-select: none;
  font-size: 24px;
  background-color: rgba(0, 0, 0, 0);
  border-radius: 5px;
  cursor: pointer;
}
.prev:hover, .next:hover{
  background-color: rgba(0, 0, 0, 0.5);
}
.prev{
  left: 0;
}
.next{
  right: 0;
}

JavaScript

var prev=document.querySelector(".prev");
prev.textContent="<";
var slideIndex=1;
show(slideIndex);

function plus(n){
  show(slideIndex += n);
}

function show(n){
  var i;
  var carousels=document.querySelectorAll(".carousel");
  for(i=0; i<carousels.length; i++){
    carousels[i].style.display="none";
  }
  if(n>carousels.length){
    slideIndex=1;
  }
  if(n<1){
    slideIndex=carousels.length;
  }
  carousels[slideIndex-1].style.display="block";
}