JSFiddle - React, Tailwind, and code Playground

HTML

<button id="btn1" data-classe="classe1">Abre classe1</button>
<button id="btn2" data-classe="classe2">Abre classe2</button>
<div id="conteudo">
    <p class="classe1">Teste1</p>
    <p class="classe1">Teste2</p>
    <p class="classe2">Teste3</p>
</div>

CSS

#conteudo p {
    display: none;
}

JavaScript

$('button').on('click', function () {
    var classde = $(this).data('classe');
    $('#conteudo p.' + classde).show();
});