A few simple practice tasks by LearnTeachCode/pair-partners#42

ObjectExercise.js

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+let myPenguin =  {
+    name: "Ping",
+    origin: "Peter og Ping",
+    creator: "Storm", 
+}
+
+//console.log(`Hello, my name is ${myPenguin.name}`);
+
+myPenguin.canFly = false;
+myPenguin.chirp = function() {
+    console.log("CHIRP CHIRP! Is this what penguins sound like?");
+}
+myPenguin.sayHello = function() {
+    console.log("Hello, my name is " + this.name);
+}
+
+myPenguin.sayHello();
+
+myPenguin.name = "McPenguin";
+
+myPenguin.sayHello();
+
+myPenguin.fly = function(){
+    if (this.canFly == true) console.log("I can fly");
+    else console.log("Sorry, no flying for me");
+}
+
+myPenguin.fly()
+
+/* for (let key in myPenguin) {
+    console.log(key);
+}
+
+for (let key in myPenguin) {
+    console.log(myPenguin[key]);
+} */
+
+
+// arrays inside objects
+
+myPenguin.favoriteFood = ["fish", "sausage", "rice"];
+
+console.log(myPenguin.favoriteFood[1]);
+
+let firstFavFood = myPenguin.favoriteFood[0];
+
+myPenguin.favoriteFood.push("onions");
+
+console.log(myPenguin.favoriteFood.length);
+
+myPenguin.favoriteFood[4] = "pineapples";
+
+let lastFavFood = myPenguin.favoriteFood.length - 1;
+
+/* for (let i = 0; i < myPenguin.favoriteFood.length; i++) {
+    console.log(myPenguin.favoriteFood[i]);
+} */
+
+// objects inside other objects
+
+myPenguin.outfit = {
+    hat: "baseball cap",
+    shirt: "sport",
+    pants: "jeans",
+    shoes: "sneakers",
+}
+
+let penguinHatType = myPenguin.outfit.hat;
+console.log(penguinHatType);
+
+myPenguin.outfit.accessory = "pocket watch";
+
+myPenguin.outfit.hat = "top hat";
+
+delete myPenguin.outfit.pants;
+
+/* for (key in myPenguin.outfit) {
+    console.log(myPenguin.outfit[key])
+} */
+
+let gunter = {
+    name: "Gunter",
+    origin: "Adventure Time",
+    canFly: false,
+    sayHello: function () {
+      console.log("QUACK!!!");
+    }
+};
+
+let ramon = {
+    name: "Ramón",
+    origin: "Happy Feet",
+    canFly: true,
+    sayHello: function () {
+      console.log("Estoy encantado de conocerle.");
+    }
+};
+
+let fred = {
+    name: "Fred",
+    origin: "Sitting Ducks",
+    canFly: false,
+    sayHello: function () {
+      console.log("Hi there!");
+    }
+};
+
+let penguins = [gunter,ramon,fred];
+
+console.log(penguins[0]);
+
+let secondPenguin = penguins[1];
+
+console.log(penguins[penguins.length-1]["name"]);
+
+penguins.push(myPenguin);
+
+console.log(penguins.length);
+
+penguins[0]["canFly"] = true;
+
+penguins[0]["sayHello"]();
+
+for (let i = 0; i < penguins.length; i++) {
+    console.log(penguins[i]["name"])
+}
+
+for (let i = 0; i < penguins.length; i++) {
+    penguins[i]["sayHello"]();
+}
+
+for (let i = 0; i < penguins.length; i++) {
+    penguins[i]["numberOfFeet"] = 2;
+}
+
+for (let i = 0; i < penguins.length; i++) {
+    if (penguins[i]["canFly"] == true) {
+    console.log(penguins[i]["name"] + " can fly!");
+    }
+}
+