text: function calculateOlderAge(arrayAge) {
      let maximumValue = arrayAge[0];
      for (i = 0; i < arrayAge.length; i++) {
        if (arrayAge[i] > maximumValue) {
          maximumValue = arrayAge[i];
        }
      }
      return maximumValue;
    }
    
    function calculateYoungerAge(arrayAge) {
      let minimunValue = arrayAge[0];
      for (i = 0; i < arrayAge.length; i++) {
        if (arrayAge[i] < minimunValue) {
          minimunValue = arrayAge[i];
        }
      }
      return minimunValue;
    }
    
    function calculateAverageAge(arrayAge) {
      let averageAge = 0;
      let result = 0;
      for (i = 0; i < arrayAge.length; i++) {
        result += +arrayAge[i];
        averageAge = result / arrayAge.length;
      }
      return averageAge;
    }
  
    function anular(e) {
      tecla = (document) ? e.keyCode : e.which;
      return (tecla != 13);
    }
    