JSFiddle - React, Tailwind, and code Playground

HTML

<div id="spoiler" >
  This is the code I use.
</div>
<div id="firetruck">
  There is a firetruck in the street
</div>

<button id="btnSpoiler" title="Click to show/hide content">Show Spoiler</button>
<button id="btnTruck" title="Click to show/hide content">Show Fire Truck</button>

CSS

#spoiler{display:none;}
#firetruck{display:none;}

JavaScript

$('#btnSpoiler').click(function(){
  $('#spoiler').toggle();
});

$('#btnTruck').click(function(){
  $('#firetruck').toggle();
});