Create an object constructor named

Watchlist

that takes in the following parameter:

name

. It should return an object with this property. Add a method named

addCurrency

to the

Watchlist

prototype object that adds a new cryptocurrency object with a

name

,

symbol

, and

price

property to an array of currencies. Add a method named

getTotalValue

to the

Watchlist

prototype object that calculates the total value of all currencies in the watchlist based on their quantity. For example,

getTotalValue()

would return the total value of all currencies in the watchlist based on their quantity and current price.