JSFiddle - React, Tailwind, and code Playground

HTML

<div id="test">
    <p>Text</p>
    <p></p>
</div>

<button>Hide and show</button>

CSS

#test p {
    background: yellow;
    padding: 5px;
}

#test p:empty {
    display: none !important;
}

JavaScript

$('button').on('click', function() {
    $('p').hide().show();
});