JSFiddle - React, Tailwind, and code Playground
by apoucoz
HTML
<script src="http://imapo.ru//js/textLimit.min.js"></script>
<textarea id="test" rows="4" cols="40"></textarea>
<br>
Осталось: <span>50</span>
JavaScript
$(function() {
$('#test').textLimit(50, function( length, limit ) {
$(this).parent().find('span').text( limit - length );
});
});