Following program shows you how to calculate discount.
In this program we get bill amount and discount from user and shows after discount amount using following formula
Discount = bill - (bill * discount / 100)
var bill = parseInt(prompt("Enter bill amount:")); var discount = parseInt(prompt("Enter discount percentage:")); var afterDiscount = bill - (bill * discount / 100); console.log("After discount your bill is: " + afterDiscount);
Enter bill amount: 1000 Enter discount percentage: 20 After discount your bill is: 800