JSFiddle - React, Tailwind, and code Playground

HTML

<div id="area-conteudo">
    <div id="conteudo">conteudo original</div>
    <a class="botao">Adicionar</a>
</div>

JavaScript

$('.botao').on('click', function(e){
    areaConteudo = $('#area-conteudo').clone(true,true);
    areaConteudo.insertAfter("#area-conteudo");
});