JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container_div">
  <div class="item_div">1</div>
  <div class="item_div">2</div>
  <div class="item_div">3</div>
</div>

CSS

.container_div{
  background:#ccc;
  }
.item_div{
  background:#454545;
  color:#fff;
  margin:5px;
  }

JavaScript

$(".container_div .item_div").each(function(idx,item){
    setTimeout(function(){ $(item).fadeOut(1000); }, (idx+1)*1000);
  
});