I\'m trying to print out all the elements in this array, and when I display it, it only prints out Pickup laundry.
var todo = [\"Return Calls\", \"Write blog\",
I copied your code and pasted it into an app. I ran the app. I saw this in the console:
Return Calls
Write blog
Cook Dinner
Pickup laundry
So I conclude that either you are lying — that is not your code, or that is not what is printed — or you don't know how to test (e.g. you don't know how to read the console or you're in a playground and you don't understand where the console is).