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edward jeong #381

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3164520
finished object part
edjeong99 Sep 10, 2018
ca9fddc
finish array part
edjeong99 Sep 10, 2018
46c83e0
a bit changing
edjeong99 Sep 10, 2018
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48 changes: 41 additions & 7 deletions assignments/arrays.js
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Original file line number Diff line number Diff line change
Expand Up @@ -65,32 +65,66 @@ let inventory = [{"id":1,"car_make":"Lincoln","car_model":"Navigator","car_year"
// 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*` );


for (i = 0; i < inventory.length; i++) {
if (inventory[i].id === 33){
console.log(`Car 33 is a ${inventory[i].car_year} ${inventory[i].car_make} ${inventory[i].car_model} ` );
break;
}
}

// ==== 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.length-1;
console.log(`Last car is a ${inventory[lastCar].car_year} ${inventory[lastCar].car_make} ${inventory[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 = [];
console.log();

for (let i = 0; i < inventory.length; i++) {
if(!carModels.includes(inventory[i].car_model)) {
carModels.push(inventory[i].car_model);
}
}

console.log(carModels);

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 (let i = 0; i < inventory.length; i++) {
if(!carYears.includes(inventory[i].car_year)) {
carYears.push(inventory[i].car_year);
}
}

carYears.sort();

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 (let i = 0; i < inventory.length; i++) {
if(inventory[i].car_year < 2000) {
oldCars.push(inventory[i].id);
}
}
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();
for (let i = 0; i < inventory.length; i++) {
if(inventory[i].car_make === "BMW" || inventory[i].car_make === "Audi") {
BMWAndAudi.push(inventory[i]);
}
}
console.log(JSON.stringify(BMWAndAudi));



55 changes: 51 additions & 4 deletions assignments/objects.js
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Original file line number Diff line number Diff line change
Expand Up @@ -17,29 +17,76 @@ const example = {
"gender": "F"
}

// Write your intern objects here:


// Write your intern objects here:
const companyList = [
{
"id": 1,
"name": "Mitzi",
"email": "[email protected]",
"gender": "F"

},
KennanObj,

@Velsu Velsu Apr 14, 2019

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JS will throw that KennanObj is undefined. I would not rely on hoisting so much in JS as it is mainly functions that get hoisted and not variables. Quick fix is moving the KennanObj that was defined at the lower level before the companyList which will fix the issue.

{
"id": 3,
"name": "Kenanan",
"email": "[email protected]",
"gender": "M"
},
{
"id": 4,
"name": "Gannie",
"email": "[email protected]",
"gender": "M"
},
AntoniettaObj
];

// ==== 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(companyList[0].name);
// Kennan's ID

console.log(companyList[1].id);
// Keven's email

console.log(companyList[2].email);
// Gannie's name

console.log(companyList[3].name);
// Antonietta's Gender
console.log(companyList[4].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());
const KennanObj = {
"id": 2,
"name": "Kennan",
"email": "[email protected]",
"gender": "M",
speak : function() {
console.log('Hello, my name is Kennan');
}
};



// 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));

const AntoniettaObj = {
"id": 5,
"name": "Antonietta",
"email": "[email protected]",
"gender": "F",
multiplyNums : function(num1, num2) {
return num1 * num2;
}
};

// === 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 ====
Expand Down