JSFiddle - React, Tailwind, and code Playground

by Juri Rudi

HTML

<div><h4>CSS:</h4>
 <p>Elemento irrilevante</p>
 <span>Elemento rilevante</span>
 <span>Elemento irrilevante</span>
</div>

<div><h4>jQuery:</h4>
 <p id="adiacente">Elemento irrilevante</p>
 <span>Elemento rilevante</span>
 <span>Elemento irrilevante</span>
</div>

CSS

p + span {
   background-color: yellow;
}

JavaScript

$("p#adiacente + span").css("background-color", "yellow");