JSFiddle - React, Tailwind, and code Playground

HTML

<table>
        <tr>
            <th>
                Student ID
            </th>           
        </tr>
       <tr>
            <td class="StudentInv">
                <input type="text" id="StudentId" value="Test" >
            </td>
        </tr>
</table>

CSS

.StudentInv{}

JavaScript

$(document).ready(function() {
    alert(" >> " + $('.StudentInv :input').text());
});