JSFiddle - React, Tailwind, and code Playground

HTML

<a href="#">HAS LINK</a>
<a>DOES NOT</a>
<a>DOES NOT</a>
<a>DOES NOT</a>
<a>DOES NOT</a>
<a>DOES NOT</a>
<a>DOES NOT</a>

JavaScript

$("a:not([href])").attr("href", "#")