问检查是否选中了具有多个复选框的html表上的特定复选框。JS/JQuery

EN

function Enviar() {
  var TableData = new Array();

  $('#dtBasicExample tr').each(function(row, tr) {

      if ($(tr).find('td:eq(10)').checked == true) //check if checkbox is checked
      {
        alert('check');
      }
    })
  }

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<table id="dtBasicExample" class="table table-striped table-bordered table-sm" cellspacing="0" width="100%">
  <thead>
    <tr>
      <th>Tipo Documento<i class="fa fa-sort"></i></th>
      <th>Nº Electrónico<i class="fa fa-sort"></i></th>
      <th style="width: 200px;"><input type="checkbox" id="checkTotal" />Aceptación</th>
      <th><input type="checkbox" id="checktodas" />Enviar</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td>Factura</td>
      <td>001</td>
      <td>
        <input type='checkbox' class='chb' id='chbTotal' name='Total' value='Total'>Total<br>
        <input type='checkbox' class='chb' name='Parcial' value='Parcial'>Parcial<br>
        <input type='checkbox' class='chb' name='Rechazo' value='Rechazo'>Rechazo
      </td>
      <td>
        <input type='checkbox' class='chcktbl' /> Enviar
      </td>
    </tr>
    <tr>
      <td>Factura</td>
      <td>002</td>
      <td>
        <input type='checkbox' class='chb' id='chbTotal' name='Total' value='Total'>Total<br>
        <input type='checkbox' class='chb' name='Parcial' value='Parcial'>Parcial<br>
        <input type='checkbox' class='chb' name='Rechazo' value='Rechazo'>Rechazo
      </td>
      <td>
        <input type='checkbox' class='chcktbl' /> Enviar
      </td>
    </tr>
    <tfoot>
    </tfoot>
</table>