JSFiddle - React, Tailwind, and code Playground

HTML

<div class="pricetag">1
    <div class="price">400</div>
</div>

<div class="pricetag">2
    <div class="price"></div>
</div>

<div class="pricetag">3
    <div class="price">250</div>
</div>

JavaScript

$(".price:empty").parent().hide();