JSFiddle - React, Tailwind, and code Playground

HTML

<ul>
<li>
  <div>
  Test
  </div>
  <button>
  Text
  </button>
</li>
<li>
  <div>
  Test
  </div>
  <button>
  Text
  </button>
</li>
</ul>

JavaScript

$('button').click(function() {
	let sibling = $(this).siblings();
  // some time later 
  sibling.text("Updated");
});