JSFiddle - React, Tailwind, and code Playground

HTML

<div class="gridder-navigation">
  <a href="#" class="gridder-close close">close</a>
  <a href="#" class="gridder-nav prev">prev</a>
  <a href="#" class="gridder-nav next">next</a>
</div>
<button type="submit">Auslöser</button>

CSS

.next {color: black;}
.prev {color: red;}
.close {color: grey;}
.disabled {
  color: white;
  background: purple;
}

JavaScript

var $nav = $('div'),
		$button	= $('button');

$button.on('click',function()
{
	$nav.children('a.next').toggleClass('disabled'); // oder addClass für einmalig
});