JSFiddle - React, Tailwind, and code Playground
HTML
<div style="opacity: 0"></div>
CSS
div {
height: 200px;
background: red;
}
JavaScript
console.log($('div').is(':hidden'));
<div style="opacity: 0"></div>
div {
height: 200px;
background: red;
}
console.log($('div').is(':hidden'));