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() {
$('#text').text($(this).val());
});
});