JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://code.jquery.com/jquery-1.12.1.min.js"></script>
<a href="javascript:void(0)">I'm gonna be pink !</a>

<button>Click me to change link color !</button>

CSS

a { color: red; }
//a:hover { color: pink; }
a.hover { color: pink; }

JavaScript

$("button").click(function(){
	$("a").toggleClass('hover');
});