JSFiddle - React, Tailwind, and code Playground

HTML

<script>
    window.onload = function (){
    console.log(document.querySelector('#tabela tr:nth-child(2) td:nth-child(3) > input').value) 
}
</script>

<table id="tabela">
   <tr>
       <td><input value="11"/></td>
       <td><input value="12"/></td>
       <td><input value="13"/></td>
       <td><input value="14" /></td>
    </tr>
      <tr>
       <td><input value="21"/></td>
       <td><input value="22"/></td>
       <td><input value="23"/></td>
       <td><input value="24"/></td>
    </tr>
      <tr>
       <td><input value="31"/></td>
       <td><input value="32"/></td>
       <td><input value="33"/></td>
       <td><input value="34"/></td>
    </tr>
      <tr>
       <td><input value="41"/></td>
       <td><input value="42"/></td>
       <td><input value="43"/></td>
       <td><input value="44"/></td>
    </tr>
      <tr>
       <td><input value="51"/></td>
       <td><input value="52"/></td>
       <td><input value="53"/></td>
       <td><input value="54"/></td>
    </tr>
    
</table>