JSFiddle - React, Tailwind, and code Playground

HTML

<table>
<tr class="b_row">
<td>
<div class="cpt">
<h2>
<a href="/ref/ref/1.html"><span>(2)</span></a>
</h2>
</div>
</td>
</tr>

<!--more elements -->

<tr class="b_row">
<td>
<div class="cpt">
<h2>
<a href="/ref/two/23.html">
<span>(3)</span>
example N</a>
</h2>
</div>
</td>
</tr>
</table>

JavaScript

$(function(){
    $("tr.b_row").each(function(){
    var a_href = $(this).find('div.cpt h2 a span').html();
    alert ("Href is: "+a_href);
    
    });
});