JSFiddle - React, Tailwind, and code Playground

HTML

<div class="showhide">
   <a id="aaa" class="show">AAA</a>
   <a id="bbb" class="hide">BBB</a>
</div>

<div class="showhide">
   <a id="aaa" class="show">AAA</a>
   <a id="bbb" class="hide">BBB</a>
</div>

JavaScript

$(function() { 
    $('a.hide').hide();
    $('div.showhide').click(function() {
        $(this).children('a').toggle();
    });
});