Javascript Exercises: List and Kittens! From: http://icyfenix.github.io/javascript-for-python-developers/slides/objectsdom.html

gistfile1.txt

var tacos = {
    title:"Yummy Tacos",
    servings: 6,
    ingredients:["cilantro", "tortillas", "guacamole", "salsa", "cheese"]
}

function printRecipe(recipe){
    console.log(recipe.title);
    console.log("serves " + recipe.servings);
    for (var i=0; i<recipe.ingredients.length; i++){
        console.log(recipe.ingredients[i]);   
    }
     
}

printRecipe(tacos);


var pumpkinpie = {
    title:"Delish Pumpkin Pie",
	servings: 8,
	ingredients:["crust", "pumpkin", "whipped cream"]
}


var recipes = [tacos, pumpkinpie]

for (var i=0; i<recipes.length; i++){
	printRecipe(recipes[i]);
}

var books = [{
	title: "Watership Down",
	author: "Richard Adams",
	alreadyRead: true
},
{
	title: "James and the Giant Peach",
	author: "Ronald Dahl",
	alreadyRead: false
},
{
	title: "50 Shades of Grey",
	author: "Some lady",
	alreadyRead: false
},
{
	title: "War and Peace",
	author: "Leo Tolstoy",
	alreadyRead: true
}
]

for (var i=0; i<books.length; i++){
	if (books[i].alreadyRead){
		console.log("You have already read " + books[i].title);
	}
	else {console.log("You haven't read " + books[i].title)}
}

var myMovie = {
    title: "Star Trek: Into Darkness",
	duration: 137,
	stars: ["Chris Pine","Zachary Quinto", "Zoe Saldana","Leonard Nemoy"]
}

function printMovie(movie){
    var toPrint = "";
	toPrint += movie.title + " lasts for " + movie.duration + " minutes. Stars: ";
    toPrint += movie.stars.join();	
	toPrint += ".";
    console.log(toPrint);
}

printMovie(myMovie);


var Cat = function (myName){
    this.name = myName,
    this.tiredness = 5,  //10 is really tired, 0 is rested
    this.hunger = 5,     // 10 is really hungry, 0 is full
	this.loneliness = 5,  //10 is really lonely, 0 is not
	this.happiness = 5,   //10  is really happy, 0 is sad
    this.litter = [],
	this.sleep = function (numHours){
		this.tiredness -= numHours;
		if (this.tiredness > 7){
			console.log("Your cat needs a nap.  Leave her alone.");
		}
	},
	this.feed = function() {
		this.hunger = 0;
	},
	this.abandon = function (numHours){
		this.hunger += numHours;
		this.loneliness += 2*numHours;
		this.happiness -= numHours;
		this.tiredness -= numHours;
	},
	this.climbing = function(){
		var num = Math.floor(Math.random()*10);
		console.log("Your cat climbed "+num+" stories. It is now hungrier, and happier.")
		this.hunger += num;
		this.happiness += num/2;
	},
	this.pet = function(numPet) {
		if (this.happiness > 8){
			console.log("Your cat doesn't want to be pet. She bites you.");
			this.happiness -= 1;
		}
		this.loneliness -= 1;
	},
	this.catnip = function() {
		this.happiness = 10;
	},
	this.givebath = function() {
		this.happiness -= 5;
	},
	this.play = function(){
		this.tiredness += 1;
		this.happiness += 2;
	},
    this.haveKittens = function(){
        var num = Math.floor(Math.random()*3+3);
        for(var i=0; i<num; i++){
            var newKitten = new Cat("Kitten #"+(i+1));
            this.litter.push(newKitten);
            console.log("Congratulations, "+this.name+" just had "+newKitten.name);
        }
        this.tiredness += 2*num;
        this.happiness += 3;
    },

   	this.lickKittens = function() {
   		for(var k in this.litter){
   			this.litter[k].happiness += 2;
   		}
   		this.tiredness += this.litter.length;
   		this.happiness += 2;

   	},
   	this.nurseKittens = function() {
   		for(var k in this.litter){
   			this.litter[k].hunger = 0;
   		}
   		this.tiredness += this.litter.length;
   	},
   	this.eatKitten = function(){
   		var num = Math.floor(Math.random()*this.litter.length);
   		console.log("Oh noes! "+this.name+" ate poor little "+this.litter[num].name);
   		this.litter.splice(num,1);
   		this.hunger = 0;
   		for( var i=0; i<this.litter.length; i++){
   			this.litter[i].happiness -= 5;
   			this.litter[i].loneliness += 5;
   		}
   	},
	this.printstatus = function(){
		console.log(this.name+"'s tiredness level is: " + this.tiredness);
		console.log(this.name+"'s hunger level is: " + this.hunger);
		console.log(this.name+"'s loneliness level is: " + this.loneliness);
		console.log(this.name+"'s happiness level is: " + this.happiness);
		for (var k in this.litter){
			this.litter[k].printstatus();
		}
	}
}

var myCat = new Cat("Xanadu");

var myKitty = new Cat("Bubbles");

myCat.printstatus();

myCat.haveKittens();

myCat.printstatus();

myCat.lickKittens();

myCat.eatKitten();

myCat.printstatus();