JSFiddle - React, Tailwind, and code Playground

by alr3

HTML

<div class="error">Error - Should highlight</div>
<div class="valid">Valid</div>
<div class="error valid">Error Valid</div>
<div class="valid error">Valid Error</div>

JavaScript

$(function() {
    $('div.error:not(.valid').css('background-color', 'red');
});