<div class="quantity">
       <div class="quantity-select">
           <div class="entry value-minus">&nbsp;</div>
           <div class="entry value"><span>1</span></div>
           <div class="entry value-plus active">&nbsp;</div>
       </div>
    </div>

$('.value-plus').on('click', function(){
var divUpd = $(this).parent().find('.value'), newVal = parseInt(divUpd.text(), 10)+1;
if(newVal < 8) divUpd.text(newVal);
  var valor = $(this).closest('tr').find('td[data-nome]').data('nome'); // Funcional
  trocar = valor.replace(",",".");
  valorTTotal =  document.getElementById("total").innerHTML;
  valorTotal = trocar + 1;
  vv = parseFloat(valorTotal) + parseFloat(valorTTotal);
  document.getElementById("total").innerHTML = vv.toFixed(2);
  document.getElementById("subtotal").innerHTML = vv.toFixed(2);
  $.ajax({
      type: "GET",
      dataType: 'json',
       data:{ valor: vv.toFixed(2) },
      url: "atualizar-carrinho.php",
      success: function(resposta){
     }
   });


  var divUpd = $(this).parent().find('.value'), newVal1 = parseInt(divUpd.text(), 10)+1;
if(newVal1 < <?php echo $numero; ?>) divUpd.text(newVal);
  var valor = $(this).closest('tr').find('td[data-nome]').data('nome'); // Funcional
  trocar = valor.replace(",",".");
  valorTTotal =  document.getElementById("total").innerHTML;
  valorTotal = trocar + 1;
  vv = parseFloat(valorTotal) + parseFloat(valorTTotal);
  document.getElementById("total").innerHTML = vv.toFixed(2);
  document.getElementById("subtotal").innerHTML = vv.toFixed(2);
  $.ajax({
      type: "GET",
      dataType: 'json',
       data:{ valor: vv.toFixed(2) },
      url: "atualizar-carrinho.php",
      success: function(resposta){
     }
   });
});

if(newVal < 8) divUpd.text(newVal);