JSFiddle - React, Tailwind, and code Playground
HTML
<div id="state"> </div>
</div>
<div class="rrr">t5g4g</div>
CSS
.rrr{
display: block;
width: 100px;
height: 100px;
background-color: red;
border: 1px solid red;
margin-top: 100px;
color: white;
}
JavaScript
$(document).ready(function(){
if ($(".rrr").is(':hidden')) {
$("#state").text("Партия содержит брак!");
}
});