JSFiddle - React, Tailwind, and code Playground

HTML

<div id="feedback"><p class="feedback_text"></p></div>

CSS

#feedback {
  width: 50px; /* For testing, to force mutliple lines */
  min-height: 24px;
  line-height: 24px;
  margin-bottom: 10px;
  display: none;
}

JavaScript

$('.feedback_text').html('This is a test of some HTML that might possibly be in the div');
$('.feedback_icon').addClass('wibble');
$('#feedback').fadeIn();