1. User Profile Update You have: const user = { name:"vijay", age:25, email:"vijay@gmail.com"}; Update email and a new property isActive = true. PROGRAM: const user = {name:"vijay", age: 25, email: "vijay@gmail.com" } user.email = "mohan2004@gmail.com" user.isActive = true console.log(user) OUTPUT: { name: 'vijay', age: 25, email: 'mohan2004@gmail.com', isActive: true } 2. Shopping Cart Total