JSFiddle - React, Tailwind, and code Playground

HTML

<div>
    <h1>Names</h1>
    <span>John,</span>
    <span>Karl,</span>
    <span>Brandon</span>    
</div>
<div>
    <span>Glen,</span>
    <span>Tane,</span>
    <span>Ralph</span>
</div>

JavaScript

$("div").find("span:first").css("color", "red");