JSFiddle - React, Tailwind, and code Playground

HTML

<div class="content">
    Lorem ipsum dolor sit amet, consectetur adipisicing elit. Recusandae sint accusamus laborum dicta corporis vitae natus dolores voluptatum sit, nisi, fugit magni blanditiis animi, eaque fugiat deleniti dolorum esse doloremque.
</div>
<br>
<div class="number-char"></div>

JavaScript

var count = $('.content').text().length;

$('.number-char').text(count);

if(count > 200){
    $('.content').css({'column-count': '2', '-moz-column-count': '2', '-webkit-colum-count': '2'});
}