JSFiddle - React, Tailwind, and code Playground

HTML

<div class="carrinho-desktop">
   <div class="classe-que-altera-com-o-pixel">Carrinho1</div>
</div>

<div class="carrinho-mobile">
   <div class="quando-a-classe-alterar-vir-pra-ca">Carrinho2</div>
</div>

JavaScript

$('.quando-a-classe-alterar-vir-pra-ca').replaceWith($('.classe-que-altera-com-o-pixel').clone());