JSFiddle - React, Tailwind, and code Playground
HTML
<div id="LOCATION">
<ul>
<li><a href="#" >Location</a></li>
<li><a href="#">Location neuf</a></li>
</ul>
</div>
CSS
.active{ border: solid 2px blue;}
JavaScript
$('a').on('click', function(e){ e.preventDefault();
$("#LOCATION a").filter( function(){ return $(this).html()==='Location'; }).parent().addClass('active');
})