JSFiddle - React, Tailwind, and code Playground

HTML

<table>
    <tr>
        <td>
            <p class="hidden_desc" value=""></p>
            <textarea class="crit_desc" rows="4" cols="20">Write here</textarea>
        </td>
        <td>
            <p class="hidden_desc" value=""></p>
            <textarea class="crit_desc" rows="4" cols="20">Write here</textarea>
        </td>
    </tr>
</table>

JavaScript

$('.crit_desc').on('blur', function () {

    var value = $(this).val();
    alert(value);

});