From 42e6912b4ad570011069354bfccac424df6e8da2 Mon Sep 17 00:00:00 2001 From: Alando Appling Date: Tue, 16 Oct 2018 22:51:38 -0700 Subject: [PATCH 1/2] Working on JavaScript Challenges --- assignments/arrays.js | 36 ++++++++++++++++++++++++++++-------- 1 file changed, 28 insertions(+), 8 deletions(-) diff --git a/assignments/arrays.js b/assignments/arrays.js index c007f3e99..96dea07f0 100644 --- a/assignments/arrays.js +++ b/assignments/arrays.js @@ -63,34 +63,54 @@ let inventory = [{"id":1,"car_make":"Lincoln","car_model":"Navigator","car_year" // ==== 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*` ); + let thirtyThree = inventory[32]; + console.log(`Car 33 is a ${thirtyThree["car_year"]} ${thirtyThree["car_make"]} ${thirtyThree["car_model"]}` ); + // ==== Challenge 2 ==== // The dealer needs the information on the last car in their inventory. What is the make and model of the last car in the inventory? Log the make and model into the console. -let lastCar = 0; -console.log(); + let lastCar = inventory[50-1] + let make = lastCar["car_make"] + let model = lastCar["car_model"] + console.log(`${make} ${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 = []; -console.log(); +for(i = 0; i < inventory.length; i++){ + carModels.push(inventory[i]["car_model"]) +} +console.log(carModels.sort()); // ==== 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(); +let carYears = [] +for(i = 0; i < inventory.length; i++){ + 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(); +for(i = 0; i < carYears.length;i++){ + if(inventory[i]["car_year"] < 2000){ + oldCars.push(inventory[i]["car_year"]) + } +} +console.log(oldCars); // ==== 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(); +for(i = 0; i < inventory.length; i++){{ + BMWAndAudi.push((inventory[i]["car_make"] === "BMW" || "Audi")) + } +} +console.log(BMWAndAudi); From a8711e92370419b6036479824e5178cd938b7129 Mon Sep 17 00:00:00 2001 From: Alando Appling Date: Wed, 17 Oct 2018 20:28:57 -0700 Subject: [PATCH 2/2] Finished project --- assignments/arrays.js | 5 ++-- assignments/objects.js | 54 ++++++++++++++++++++++++++++++++++++------ 2 files changed, 49 insertions(+), 10 deletions(-) diff --git a/assignments/arrays.js b/assignments/arrays.js index 96dea07f0..92351f5b2 100644 --- a/assignments/arrays.js +++ b/assignments/arrays.js @@ -106,9 +106,8 @@ console.log(oldCars); // ==== 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 =[]; -for(i = 0; i < inventory.length; i++){{ - BMWAndAudi.push((inventory[i]["car_make"] === "BMW" || "Audi")) - } +for(i = 0; i < inventory.length; i++){ + BMWAndAudi.push(inventory[i]["BMW"] || inventory[i]["Audi"]) } console.log(BMWAndAudi); diff --git a/assignments/objects.js b/assignments/objects.js index 40baf8d36..fa6239378 100644 --- a/assignments/objects.js +++ b/assignments/objects.js @@ -1,6 +1,6 @@ // Let's get some practice writing a few objects for a new group of interns at a small business. -// ==== Challenge 1: Writing Objects ==== +// ==== Challenge 1: Writing Objects ==== // HR needs some information on the new interns put into a database. Given an id, email, first name, and gender. Create an object for each person in the company list: // 1,mmelloy0@psu.edu,Mitzi,F @@ -18,9 +18,44 @@ const example = { } // Write your intern objects here: +const mitzi = { + "id":1, + "name": "Mitzi", + "email": "mmelloy0@psu.edu", + "gender": "F" +} - -// ==== Challenge 2: Reading Object Data ==== +const kennan = { + "id":2, + "name": "Kennan", + "email": "kdiben1@tinypic.com", + "gender": "M", + speak : function(){ + console.log("Hello, my name is Kennan!") + } +} +const keven = { + "id":3, + "name": "Keven", + "email": "kmummery2@wikimedia.org", + "gender": "M" +} +const gannie = { + "id":0, + "name": "Gannie", + "email": "martinson3@illinois.edu", + "gender": "M" +} +const antonietta = { + "id":0, + "name": "Antonietta", + "email": "adaine5@samsung.com", + "gender": "F", + multiplyNums : function(a,b){ + return a*b + } +} +// ==== Challenge 2: Reading Object Data ==== // Once your objects are created, log out the following requests from HR into the console: // Mitzi's name @@ -33,16 +68,21 @@ const example = { // Antonietta's Gender -// ==== Challenge 3: Object Methods ==== +console.log(mitzi["name"]); +console.log(kennan["id"]); +console.log(keven["email"]); +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 file or take a look at the stretch challenge -// ==== Stretch Challenge: Nested Objects and the this keyword ==== +// ==== Stretch Challenge: Nested Objects and the this keyword ==== // 1. Create a parent object with properties for name and age. Make the name Susan and the age 70. // 2. Nest a child object in the parent object with name and age as well. The name will be George and the age will be 50.