JSFiddle - React, Tailwind, and code Playground

HTML

<table>
    <tr>
        <td>true</td>
        <td class="invalid">false</td>
        <td>true</td>
        <td>true</td>
    </tr>
</table>

CSS

.invalid-blink {
    background-color: red;
}

td {
    padding: 1em;
}

JavaScript

$(function() {
        var on = false;
        window.setInterval(function() {
            on = !on;
            if (on) {
                $('.invalid').addClass('invalid-blink')
            } else {
                $('.invalid-blink').removeClass('invalid-blink')
            }
        }, 1000);
        
    });