JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery-cookie/1.4.1/jquery.cookie.min.js"></script>
<div id="infoBox" data-version="infoV4">
  <span id="close">
  X
</span>
  <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Repudiandae numquam itaque ad fugit, accusantium eos laborum voluptas voluptatum assumenda commodi iure, aut deserunt fuga tempore quidem optio vitae dolorem iusto?</p>
</div>

CSS

#close {
  cursor: pointer;
}

#infobox {
  display: none;
}

JavaScript

var infoVersion = $("#infoBox").attr("data-version");

if ($.cookie("info") == infoVersion) {
  hideInfo();
} else {
  showInfo();
}

function showInfo() {
  $("#infoBox").show();
}

function hideInfo() {
  $.cookie("info", infoVersion);
  $("#infoBox").hide();
}

$("#close").click(function() {
  hideInfo();
})