JSFiddle - React, Tailwind, and code Playground

HTML

<div class="category">
    A
    <div class="artists" style="display: none;">Apple<br/>Ace<br/>Ants<br/></div>
</div>
<div class="category">
    B
    <div class="artists" style="display: none;">Bee<br/>Bop<br/>Book<br/></div>
</div>
<div class="category">
    C
    <div class="artists" style="display: none;">Cake<br/>Chimp<br/>Charles<br/></div>
</div>

JavaScript

$(".category").click( function() {    
    $(".artists").hide();
    $(this).children(".artists").show();
});