JSFiddle - React, Tailwind, and code Playground

by David Thomas

HTML

<table>
    <tbody>
        <tr>
            <td>a</td>
        </tr>
        <tr>
            <td>b</td>
        </tr>
        <tr>
            <td>
                <table>
                    <tbody>
                        <tr>
                            <td>a</td>
                        </tr>
                    </tbody>
                </table>
            </td>
        </tr>
        <tr>
            <td>d</td>
        </tr>
        <tr>
            <td>e</td>
        </tr>
        <tr>
            <td>f</td>
        </tr>
    </tbody>
</table>

JavaScript

$('tr').filter(
    function(){
        return $(this).find('td:contains("a")').length;
    }).css('background-color','red');