Bummer! This is just a preview. You need to be signed in with an account to view the entire instruction.
Instruction
Doing Basic Math
Developers frequently use numbers for performing calculations; you'll likely spend a lot of time working with numbers in JavaScript. If you create a game, for example, you'll need to keep track of a player's score. If you build an eCommerce site, you'll need to figure out the total cost of items in a visitor's shopping cart. And if you want to calculate the number of days until your next birthd...