//variables are buckets where you store data

testResult = 0

testResult = testResult + 5

//Strings are just text

myName = "Scott Tolksdorf"


//Numbers are, well, numbers

currentAge = 26


//Booleans can only ever be True or False

isTeachingAWorkshop = true


//Nil, undefined, or null (language dependent) is used when a variable has never been given a value

theLoniestVariable

errorTime = theLoniestVariable + 6

//Arrays are ordered lists of other variables

myFavNumbers = [3, 13, 42]

mixedTypes = [true, "this is neat", 45]

mixedTypes[1] == "this is neat"

mixedTypes.push("new value")


//Objects are used for key-value data, like a phonebook, or an encyclopedia

scott = {
    name : "Scott Tolksdorf",
    age : 26,
    isCurrentlyTalkingAboutObjects : true
}

print scott.name

scott.age + 6

//Combining collections and atomic types allows you to create useful structures

potluckInfo = {
    date : '5/28/2015',
    attendants : [
        {
            name : "Bill",
            hasPlusOne : true,
            contributing : ['dessert', 'plates']
        },
        {
            name : "Sally",
            hasPlusOne : false,
            contributing : ['main']
        }
    ]
}

potluckInfo.attendants[1].name // -> Sally

//Functions allow you wrap up code and call it

sendGreeting = function(){
    print "Hello World"
}

sendGreeting()


add = function(x,y){
    return x + y
}

add(4,5) // -> 9

add(add(1,3), 5) // -> 9

//Looping (for, each, map) allows us to run code over items in a collection

sum = function(listOfNumbers){
    result = 0
    for(num in listOfNumbers){
        result = result + num
    }
    return result
}

print sum([1,2,3]) // -> 6