JSFiddle - React, Tailwind, and code Playground

HTML

<table>
    <tr>
        <td>1</td>
        <td>a</td>
    </tr>
    <tr style="display: none;">
        <td>2</td>
        <td>a</td>
    </tr>
    <tr>
        <td>3</td>
        <td>a</td>
    </tr>
    <tr>
        <td>4</td>
        <td>a</td>
    </tr>
    <tr>
        <td>5</td>
        <td>a</td>
    </tr>
    <tr>
        <td>6</td>
        <td>a</td>
    </tr>
    <tr>
        <td>7</td>
        <td>a</td>
    </tr>
</table>

JavaScript

jQuery('tr:visible').filter(':odd').css({'background-color': 'red'});
jQuery('tr:visible').filter(':even').css({'background-color': 'yellow'});