JSFiddle - React, Tailwind, and code Playground
HTML
<link rel="stylesheet" href="http://imperavi.com/js/redactor/redactor.css">
<script src="http://imperavi.com/js/redactor/redactor.js"></script>
<div class="box">
<div class="content">
<p>Lorem ipsum dolor sit amet, consetetur sadipscing elitr.</p>
<p>Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet.</p>
<p>At vero eos et accusam et justo duo dolores et ea rebum.</p>
</div>
</div>
JavaScript
$('.content').redactor();
$('.content').redactor('buttonAddFirst', 'newbutton', 'Title of button',
function(buttonName, buttonDOM, buttonObj, e){
var html = $('.content').redactor('getBlocks');
$(html).replaceWith("</div><div class='box2'><div class='content'>"+$(html).text()+"</div></div><div class='content'>");
$('.redactor_new').redactor();
});