JSFiddle - React, Tailwind, and code Playground

HTML

<span><p>asfd</p></span><br />
<span>asdf no children</span><br />
<span>asdf no children 2</span><br />
Space:<span> </span><br />
Empty p tag:<span><p></p></span><br />

JavaScript

console.log($("span:not(:has(*))"))