JSFiddle - React, Tailwind, and code Playground

by aanred

HTML

<table>
    <tr class="a"><td><span class="s">1</span></td></tr>
    <tr class="a"><td><span>2</span></td></tr>
    <tr class="a"><td><span>3</span></td></tr>
</table>
<br />
<div class="result">...</div>

JavaScript

$('table tr').each(function(){
    if($(this).hasClass('a')) {
        var tr = $(this);
        
        $(this).find('td').each(function(){
            var span = $(this).find('span').first();
            if(span.hasClass('s')) {
                $('.result').text(span.text());
            }
        });
    }
});