How to use

add

function

in

js

.add(saleDetails.tax)
.subtract(saleDetails.totalDiscount).value;

current.totalDebt = currency(pointer.balanceAmount)
 .subtract(currency(previousTransaction.billAmount))
 .add(amountPaid).value;
current.isReverted = false;
current.paidDate = new Date();

.add(saleDetails.tax)
.subtract(saleDetails.totalDiscount).value;

current.totalDebt = currency(pointer.balanceAmount)
 .subtract(currency(previousTransaction.billAmount))
 .add(amountPaid).value;
current.isReverted = false;
current.paidDate = new Date();