JSFiddle - React, Tailwind, and code Playground
HTML
<header></header>
<ul>
<li>
<a href="#">Something</a>
</li>
<li>
<a href="#">Something1</a>
</li>
<li>
<a href="#">Something2</a>
</li>
<li>
<a href="#">Something3</a>
</li>
</ul>
JavaScript
$("ul li a").click(function(e) {
e.preventDefault();
$('header').text($(this).text());
});