[Keramet]

var defaultValues = {
    repayment: [],
    creditAmount: {
      val: $creditAmount.val()
    },
    monthPayment: {
      val: $monthPayment.val()
    },
    creditTerm: {
      val: $period.val()
    },
    creditRate: {
      val: function() {return typeof defaultValues.creditTerm.val === 'undefined' ?
                        "не определено" :  0.19 / defaultValues.creditTerm.val }
    },
    pay: 0,
    term: 0
  };

defaultValues.creditRate.val()  // получение значения