JSFiddle - React, Tailwind, and code Playground

HTML

<div id='teste'></div>

JavaScript

$('#teste').append('<div class="qualquer">\n<div class="subdivs">\nconteudo da subdiv\n</div>\n<div class="subdivs">\nconteudo da subdiv\n</div>\n</div>');
console.log($('#teste').html());