JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://code.jquery.com/jquery-3.0.0.min.js"></script>
<p>
hello
</p>

CSS

p {
  display: none;
}

JavaScript

setTimeout(fade_in, 6000);

function fade_in() {
  $("p").fadeIn();
  
  setTimeout(fade_out, 2000);
}
function fade_out() {
  $("p").fadeOut();
}