JSFiddle - React, Tailwind, and code Playground

HTML

<div class="parent">
  <button class="btn-click">
    Click me
  </button>

  <button class="display-info">
    Show text
  </button>
  <span class="show-this">Text to be displayed</span>
</div>

CSS

.display-info, .show-this {
  display:none;
}

JavaScript

$('.btn-click').click(function() {
	$(".parent").addClass('newClass');
  $(".display-info").show();
});
    
$('.newClass').on("click",function() {
	$('.show-this').show();
});