I would like to do the following, the user types 1, the input would have the value , 01 , then he would type 2, it would appear , 12 , then he would type 3, would appear 1.23 , so on. I have the input as follows:
<input type="text" class="form-control" id ="produto_preco_unitario" name="produto_preco_unitario"
value="" placeholder="Preço por Unidade" required/>