JSFiddle - React, Tailwind, and code Playground

by rodrigonery

HTML

<a href="#">Toggle</a>
<div class="triangle"></div>	
<div class="triangle" style="display: none">asd</div>

CSS

.colorir {
    background: red;
}

JavaScript

$("a").on("click", function() {
    $( "div.triangle" ).toggleClass('colorir');
});