JSFiddle - React, Tailwind, and code Playground

HTML

<button id="toggle">toggleClass</button>
<button id="add">addClass</button>
<button id="remove">removeClass</button>

<div id="tag">
    <p>"What did you do to your hair?", said the Protoss Corsair.</p>
</div>

CSS

.hidden {
    display:none;
}

JavaScript

$("#toggle").on("click", function (){
    $("#tag").toggleClass("hidden");
});

$("#add").on("click", function (){
    $("#tag").addClass("hidden");
});

$("#remove").on("click", function (){
    $("#tag").removeClass("hidden");
});