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Noah Niesen #123

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563b4b1
finished questions up to the getCarInfoByIndex function
Apr 30, 2020
e2c74c6
fixed a typo in the return statement within the function getCarInfoBy…
Apr 30, 2020
d759ec2
completed all questions, as well as the first three stretch goals.
Apr 30, 2020
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187 changes: 162 additions & 25 deletions index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -35,10 +35,16 @@ function addNumbers(num1, num2) {
* the returned value should look like: 'Goodbye, Andy. Have a great day.'
*
*/
function sayGoodbye(/* code here */) {
/* code here */
function sayGoodbye(name) {
return `Goodbye, ${name}. Have a great day.`;
}

// var output = sayGoodbye('Noah');

// console.log(output);



/**
* ### Challenge `temperatureCtoF`
*
Expand All @@ -53,10 +59,18 @@ function sayGoodbye(/* code here */) {
* Hint 1: The formula for converting celsius to fahrenheit is t*9/5 + 32 where t is the temperature in celsius.
* Hint 2: There is a very easy way to round numbers in JS. Do a google search to find out how.
*/
function temperatureCtoF(/* code here */) {
/* code here */
function temperatureCtoF(tempCelsius) {
var conversion = tempCelsius * (9 / 5) + 32;

return Math.round(conversion);
}

// var output1 = temperatureCtoF(24);

// console.log(output1);



/**
* ### Challenge `temperatureInF`
*
Expand All @@ -74,10 +88,31 @@ function temperatureCtoF(/* code here */) {
*
* Hint: You can call your `temperatureCtoF` function from inside `temperatureInF`.
*/
function temperatureInF(/* code here */) {
/* code here */
function temperatureInF(temp, str) {
if (str.toUpperCase() === 'F') {
return temp + str.toUpperCase();

} else if (str.toUpperCase() === 'C') {
var conversion = temp * (9 / 5) + 32;
var roundedConversion = Math.round(conversion);

return roundedConversion + 'F';
} else {
var invalidUnit = str.toUpperCase();
return '\'' + invalidUnit + '\' is not a valid unit. Please use \'F\' or \'C\'.';
}
}

// var output1 = temperatureInF(88, 'f');
// var output2 = temperatureInF(24, 'c');
// var output3 = temperatureInF(24, 'b');

// console.log(output1);
// console.log(output2);
// console.log(output3);




/**
* ### Challenge `makePersonObject`
Expand All @@ -95,10 +130,22 @@ function temperatureInF(/* code here */) {
* email: "[email protected]",
* }
*/
function makePersonObject(/* code here */) {
/* code here */
function makePersonObject(id, name, email) {
var newObj = {};

newObj.id = id;
newObj.name = name;
newObj.email = email;

return newObj;
}

// var output = makePersonObject(5, 'Leia', '[email protected]');

// console.log(output);



/**
* ### Challenge `getName`
*
Expand All @@ -112,10 +159,22 @@ function makePersonObject(/* code here */) {
* passing { id: 1, name: 'Leia', email: '[email protected]` } as the argument,
* the returned value should look like `Hello, my name is Leia`.
*/
function getName(/* code here */) {
/* code here */
function getName(obj) {
return `Hello, my name is ${obj.name}.`;
}

// var personObj = {
// id: 1,
// name: 'Leia',
// email: '[email protected]',
// };

// var output = getName(personObj);

// console.log(output);




/**
* ### Challenge `appleIndex`
Expand All @@ -132,10 +191,17 @@ function getName(/* code here */) {
* passing in [ 'orange', 'grape', 'apple', 'banana', 'mango' ] as the argument,
* the returned value should be: 2.
*/
function appleIndex(/* code here */) {
/* code here */
function appleIndex(arr) {
return arr.indexOf('apple');
}

// var input = [ 'orange', 'grape', 'apple', 'banana', 'mango' ];
// var output = appleIndex(input);

// console.log(output);



/**
* ### Challenge `isItAnApple`
*
Expand All @@ -151,10 +217,28 @@ function appleIndex(/* code here */) {
* passing in [ 'orange', 'apple', 'banana', 'apples', 'apple', 'mango' ] as the argument,
* the returned value should be: [ false, true, false, false, true, false ].
*/
function isItAnApple(/* code here */) {
/* code here */
function isItAnApple(arr) {
var newArr = [];

for (var i = 0; i < arr.length; i++) {
var currentFruit = arr[i];
if (currentFruit === 'apple') {
currentFruit = true;
newArr.push(currentFruit);
} else {
currentFruit = false;
newArr.push(currentFruit);
}
}

return newArr;
}

// var input = [ 'orange', 'apple', 'banana', 'apples', 'apple', 'mango' ];
// var output = isItAnApple(input);

// console.log(output);



/*
Expand Down Expand Up @@ -210,9 +294,34 @@ function get3rdCar(inventory) {
* it will return `This is a Lincoln Navigator`.
*/
function getCarInfoByIndex(inventory, index) {
/* code here */
var carObj = inventory[index];
return `This is a ${carObj.car_make} ${carObj.car_model}.`;
}

// var inventory = [
// { id: 1, car_make: "Lincoln", car_model: "Navigator", car_year: 2009 },
// { id: 2, car_make: "Mazda", car_model: "Miata MX-5", car_year: 2001 },
// { id: 3, car_make: "Land Rover", car_model: "Defender Ice Edition", car_year: 2010 },
// { id: 4, car_make: "Honda", car_model: "Accord", car_year: 1983 },
// { id: 5, car_make: "Mitsubishi", car_model: "Galant", car_year: 1990 },
// { id: 6, car_make: "Honda", car_model: "Accord", car_year: 1995 },
// { id: 7, car_make: "Smart", car_model: "Fortwo", car_year: 2009 },
// { id: 8, car_make: "Audi", car_model: "4000CS Quattro", car_year: 1987 },
// { id: 9, car_make: "Ford", car_model: "Windstar", car_year: 1996 },
// { id: 10, car_make: "Mercedes-Benz", car_model: "E-Class", car_year: 2000 },
// { id: 11, car_make: "Infiniti", car_model: "G35", car_year: 2004 },
// { id: 12, car_make: "Lotus", car_model: "Esprit", car_year: 2004 },
// { id: 13, car_make: "Chevrolet", car_model: "Cavalier", car_year: 1997 },
// { id: 14, car_make: "Dodge", car_model: "Ram Van 1500", car_year: 1999 }
// /// ... Truncated
// ]

// var output = getCarInfoByIndex(inventory, 0);

// console.log(output);



/**
* ### Challenge `getLastCarInfo`
*
Expand All @@ -224,8 +333,9 @@ function getCarInfoByIndex(inventory, index) {
* For example, if getLastCarInfo is invoked passing the inventory inside /data/inventory.js,
* it will return `This is a Lincoln Town Car`.
*/
function getLastCarInfo(/* code here */) {
/* code here */
function getLastCarInfo(arr) {
var lastCar = arr.pop();
return `This is a ${lastCar.car_make} ${lastCar.car_model}.`;
}

/**
Expand All @@ -237,8 +347,15 @@ function getLastCarInfo(/* code here */) {
* (1) an array which is an inventory of cars like the one inside /data/inventory.js.
* getModelYears returns an array containing all the 'car_year's in the inventory.
*/
function getModelYears(/* code here */) {
/* code here */
function getModelYears(arr) {
var newArr = [];

for (var i = 0; i < arr.length; i++) {
var currentCar = arr[i];
newArr.push(currentCar.car_year);
}

return newArr;
}

/**
Expand All @@ -255,8 +372,10 @@ function getModelYears(/* code here */) {
* For example, if getCarInfoById is invoked with the inventory and the number 1,
* it will return `This is a Lincoln Navigator`.
*/
function getCarInfoById(/* code here */) {
/* code here */
function getCarInfoById(inventory, num) {
var id = num - 1;
var targetCar = inventory[id];
return `This is a ${targetCar.car_make} ${targetCar.car_model}.`;
}

/**
Expand All @@ -273,8 +392,17 @@ function getCarInfoById(/* code here */) {
* with a `car_year` which is at most the given desired max year,
* in the same order as they appear in the original inventory.
*/
function getOlderCars(/* code here */) {
/* code here */
function getOlderCars(arr, maxYear) {
var newArr = [];

for (var i = 0; i < arr.length; i++) {
var currentCar = arr[i];
if (currentCar.car_year <= maxYear) {
newArr.push(currentCar);
}
}

return newArr;
}

/**
Expand All @@ -290,8 +418,17 @@ function getOlderCars(/* code here */) {
* made by either `Audi` or `Mercedes-Benz` or `Volkswagen` or `BMW`,
* in the same order as they appear in the original inventory.
*/
function getGermanCars(/* code here */) {
/* code here */
function getGermanCars(arr) {
var newArr = [];

for (var i = 0; i < arr.length; i++) {
var currentCar = arr[i];
if (currentCar.car_make === 'Audi' || currentCar.car_make === 'Mercedes-Benz' || currentCar.car_make === 'Volkswagen' || currentCar.car_make === 'BMW') {
newArr.push(currentCar);
}
}

return newArr;
}

/**
Expand Down