JSFiddle - React, Tailwind, and code Playground

HTML

<textarea id="input" name="input" type="textarea" maxlength="99"></textarea>
<span id="text"></span>

CSS

#text {
    display: table-cell;
}

JavaScript

$(document).ready(function() {
    $('#input').keyup(function() {
        $('#text').html($(this).val().replace(/\r?\n/g, '<br />'));
	});
});