JSFiddle - React, Tailwind, and code Playground

HTML

<div id=aaa>Bla bla bla</div>
<script>
var h = document.getElementById('aaa').offsetHeight;</script>";
$h = "<script>document.write(h);</script>"; 

<?
if ($h<200) { echo "<ul><b>... ПОЧИТАТЬ ПОЛНОСТЬЮ</b></ul>";}
?>