Objects and Math exercises and examples

Author: ChronicleGremlin

objects-and-math/chapter-examples/ForInLoop.js

@@ -6,4 +6,7 @@ let tortoiseOne = {
    diet: ["pumpkins", "lettuce", "cabbage"]
 };
 
-// Using a for..in loop, iterate through each property in the tortoiseOne object and print the value to the console.
+// Using a for..in loop, iterate through each property in the tortoiseOne object and print the value to the console.
+for (item in tortoiseOne) {
+   console.log(item + ": " + tortoiseOne[item]);
+}

objects-and-math/exercises/ObjectExercises.js

@@ -2,23 +2,70 @@ let superChimpOne = {
    name: "Chad",
    species: "Chimpanzee",
    mass: 9,
-   age: 6
+   age: 6,
+   astronautID: 1,
+   move: function() {return Math.floor(Math.random()*11)}
 };
 
 let salamander = {
    name: "Lacey",
    species: "Axolotl Salamander",
    mass: 0.1,
-   age: 5
+   age: 5,
+   astronautID: 2,
+   move: function() {return Math.floor(Math.random()*11)}
 };
 
+let superChimpTwo = {
+   name: "Brad",
+   species: "Chimpanzee",
+   mass: 11,
+   age: 6,
+   astronautID: 3,
+   move: function() {return Math.floor(Math.random()*11)}
+};
 
-// After you have created the other object literals, add the astronautID property to each one.
-
-// Add a move method to each animal object
+let dog = {
+   name: "Leroy",
+   species: "Beagle",
+   mass: 14,
+   age: 5,
+   astronautID: 4,
+   move: function() {return Math.floor(Math.random()*11)}
+};
 
-// Create an array to hold the animal objects.
+let waterBear = {
+   name: "Almina",
+   species: "Tardigrade",
+   mass: "0.0000000001",
+   age: 1,
+   astronautID: 5,
+   move: function() {return Math.floor(Math.random()*11)}
+};
 
-// Print out the relevant information about each animal.
+let crew = [superChimpOne, superChimpTwo, salamander, dog, waterBear];
 
+console.log(`${superChimpOne.name} is a ${superChimpOne.species}. They are ${superChimpOne.age} years old and ${superChimpOne.mass} kilograms.`);
+console.log(`${superChimpTwo.name} is a ${superChimpTwo.species}. They are ${superChimpTwo.age} years old and ${superChimpTwo.mass} kilograms.`);
+console.log(`${salamander.name} is a ${salamander.species}. They are ${salamander.age} years old and ${salamander.mass} kilograms.`);
+console.log(`${dog.name} is a ${dog.species}. They are ${dog.age} years old and ${dog.mass} kilograms.`);
+console.log(`${waterBear.name} is a ${waterBear.species}. They are ${waterBear.age} years old and ${waterBear.mass} kilograms.`);
+console.log("\n");
 // Start an animal race!
+
+
+function fitnessTest(testingAstronauts){
+   let results = [], numSteps, turns;
+   for (let i = 0; i < testingAstronauts.length; i++){
+       numSteps = 0;
+       turns = 0;
+       while(numSteps < 20){
+       numSteps += testingAstronauts[i].move();
+       turns++;
+       }
+       results.push(`${testingAstronauts[i].name} took ${turns} turns to take 20 steps.`);
+   }
+   return results;
+  }
+
+console.log(fitnessTest(crew));