JSFiddle - React, Tailwind, and code Playground

HTML

<div class="test">
    <div class="class1">
        <input type="text" data-required="true"/>
    </div>
    <input type="text" data-required="true"/>
</div>

JavaScript

$(".test [data-required]").css("background", "blue");

$(".test [data-required]:not('.class1')").css("background", "red");