JSFiddle - React, Tailwind, and code Playground

HTML

<table><tr><td>hello</td>
       <td><input type="text" value="0" onkeypress="GetValue();" /></td>
       <td><input type="text" value="15"  /></td>
       </tr>
 </table>

JavaScript

alert($('table td:nth-child(3) input').val());