From b03e1e7d5b69a14528a57806adfe5f6aad374f1b Mon Sep 17 00:00:00 2001 From: KDenks Date: Sun, 6 Oct 2019 22:37:48 -0400 Subject: [PATCH] final changes --- assignments/arrays.js | 57 ++++++++++++++++++++------ assignments/objects.js | 90 ++++++++++++++++++++++++++++++++++++++++-- 2 files changed, 132 insertions(+), 15 deletions(-) diff --git a/assignments/arrays.js b/assignments/arrays.js index 1dbf8bd35..368bda605 100644 --- a/assignments/arrays.js +++ b/assignments/arrays.js @@ -73,32 +73,67 @@ let inventory = [ // console.log(evens); // [12, 14] + + // ==== Challenge 1 ==== // The dealer can't recall the information for a car with an id of 33 on his lot. Help the dealer find out which car has an id of 33 by logging the car's year, make, and model in the console log provided to you below: -console.log(`Car 33 is a *car year goes here* *car make goes here* *car model goes here*`); +const findCar = function (id){ + for (i in inventory){ + if(inventory[i].id == id){ + return inventory[i]; + } + } +} +console.log(findCar(33)); // ==== Challenge 2 ==== // The dealer needs the information on the last car in their inventory. What is the make and model of the last car in the inventory? Log the make and model into the console. -let lastCar = 0; -console.log(); +let lastCar = inventory[inventory.length - 1]; +console.log(lastCar.car_make,lastCar.car_model); // ==== Challenge 3 ==== // The marketing team wants the car models listed alphabetically on the website. Sort all the car model names into alphabetical order and log the results in the console let carModels = []; -let carModelsSorted = []; -console.log(); + +for (i in inventory){ + carModels.push(inventory[i].car_model); +} + +carModels.sort(); + +console.log(carModels); // ==== Challenge 4 ==== // The accounting team needs all the years from every car on the lot. Create a new array from the dealer data containing only the car years and log the result in the console. let carYears = []; -console.log(); + +for (i in inventory){ + carYears.push(inventory[i].car_year); +} +console.log(carYears); // ==== Challenge 5 ==== // The car lot manager needs to find out how many cars are older than the year 2000. Using the carYears array you just created, find out how many cars were made before the year 2000 by populating the array oldCars and logging it's length. -let oldCars = []; -console.log(); +let oldCars =[]; + +for (i in inventory){ + if(inventory[i].car_year < 2000){ + oldCars.push(inventory[i].car_year); + } +} + +console.log(oldCars.length); // ==== Challenge 6 ==== -// A buyer is interested in seeing only BMW and Audi cars within the inventory. Return an array that only contains BMW and Audi cars. Once you have populated the BMWAndAudi array, use JSON.stringify() to show the results of the array in the console. -let BMWAndAudi = []; -console.log(); +// A buyer is interested in seeing only BMW and Audi cars within the inventory. Return an array that only contains BMW and Audi cars. Once you have populated the BMWAndAudi array, use JSON.stringify() to show the results of the array in the console. +let BMWAndAudi =[]; + +for (i in inventory){ + if(inventory[i].car_make == "BMW"){ + BMWAndAudi.push(inventory[i]); + }else if(inventory[i].car_make == "Audi"){ + BMWAndAudi.push(inventory[i]); + } +} + +JSON.stringify(BMWAndAudi); \ No newline at end of file diff --git a/assignments/objects.js b/assignments/objects.js index 798d5e0cf..de7b4d32b 100644 --- a/assignments/objects.js +++ b/assignments/objects.js @@ -19,28 +19,78 @@ const example = { // Write your intern objects here: +const Mitzi = { + "id":1, + "name":"Mitzi", + "email":"mmelloy0@psu.edu", + "gender":"F", +} + +const Kennan = { + "id":2, + "name":"Kennan", + "email":"kdiben1@tinypic.com", + "gender":"M", + "speak": speak = () => { + return `Hello, my name is ${Kennan.name}!` + } +} + +const Keven = { + "id":3, + "name":"Keven", + "email":"kmummery2@wikimedia.org", + "gender":"M", +} + +const Gannie = { + "id":4, + "name":"Gannie", + "email":"gmartinson3@illinois.edu", + "gender":"M", +} +const Antonietta = { + "id":5, + "name":"Antonietta", + "email":"adaine5@samsung.com", + "gender":"F", + "multiplyNums": multiplyNums = (x,y) => { + return x*y; + } +} + // ==== Challenge 2: Reading Object Data ==== // Once your objects are created, log out the following requests from HR into the console: // Mitzi's name +console.log(Mitzi.name); + // Kennan's ID +console.log(Kennan.id); + // Keven's email +console.log(Keven.email); + // Gannie's name +console.log(Gannie.name); + // Antonietta's Gender +console.log(Antonietta.gender); + // ==== Challenge 3: Object Methods ==== // Give Kennan the ability to say "Hello, my name is Kennan!" Use the console.log provided as a hint. -// console.log(kennan.speak()); +console.log(kennan.speak()); // Antonietta loves math, give her the ability to multiply two numbers together and return the product. Use the console.log provided as a hint. -//console.log(antonietta.multiplyNums(3,4)); +console.log(antonietta.multiplyNums(3,4)); -// === Great work! === Head over to the the arrays.js. You may come back and attempt the Stretch Challenge once you have completed the challenges in arrays.js and function-conversion.js. +// === Great work! === Head over to the the arrays.js file or take a look at the stretch challenge // ==== Stretch Challenge: Nested Objects and the this keyword ==== @@ -49,16 +99,48 @@ const example = { // 3. Nest a grandchild object in the child object with properties for name and age. The name will be Sam and the age will be 30 // 4. Give each of the objects the ability to speak their names using the this keyword. -const parent = {} +const parent = { + name : "Susan", + age : 70, + speak : () => { + console.log(`Hello my name is ${this.name}`) + }, + child : { + name : "George", + age : 50, + speak : () => { + console.log(`Hello my name is ${this.name}`) + }, + grandchild : { + name : "Sam", + age : 30, + speak : () => { + console.log(`Hello my name is ${this.name}`) + } + } + } +} // Log the parent object's name +console.log(parent.name); + // Log the child's age +console.log(parent.child.age); + // Log the name and age of the grandchild +console.log(parent.child.grandchild.name, parent.child.grandchild.age) + // Have the parent speak +parent.speak(); + // Have the child speak +parent.child.speak(); + // Have the grandchild speak + +parent.child.grandchild.speak(); \ No newline at end of file