final save

index.js

@@ -1,3 +1,4 @@
+// @ts-nocheck
 // ⭐️ Example Challenge start ⭐️
 
 /**
@@ -37,6 +38,7 @@ function addNumbers(num1, num2) {
 */
 function sayGoodbye(/* code here */) {
   /* code here */
+  console.log('Goodbye, ' + name + ' . ' + ' Have a great day. ');
 }
 
 /**
@@ -53,8 +55,10 @@ 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 (degree) {
+  let tempC = degree * 9/5 + 32
+  return Math.round(tempC);
+
 }
 
 /**
@@ -74,8 +78,11 @@ function temperatureCtoF(/* code here */) {
  * 
  * Hint: You can call your `temperatureCtoF` function from inside `temperatureInF`.
 */
-function temperatureInF(/* code here */) {
-  /* code here */
+function temperatureInF(arg, unit) {
+  if (unit === 'F') {
+    return '${arg}F';
+} else {
+  return  '${temperatureCtoF(arg)}F';
 }
 
 
@@ -95,8 +102,8 @@ function temperatureInF(/* code here */) {
  *   email: "[email protected]",
  * }
 */
-function makePersonObject(/* code here */) {
-  /* code here */
+function makePersonObject({ id, name, email }) {
+  return {id, name, email };
 }
 
 /**
@@ -112,8 +119,8 @@ 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(id, name, email) {
+  return 'Hello, my name is ${name}';
 }
 
 
@@ -132,8 +139,12 @@ 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(fruits) {
+  for (i = 0; i < fruits.length; i++) { 
+    if (fruits[i] === 'apple') {
+      return i;
+    }
+  }
 }
 
 /**
@@ -151,8 +162,12 @@ 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(fruits) {
+  const possibleApple = [];
+  for (i = 0; i < fruits.length; i++) {
+ possibleApple.push(fruits[i] === 'apple');
+  }
+  return possibleApple;
 }
 
 
@@ -182,14 +197,16 @@ var inventory = [
   * ### Example Array Challenge:
   * 
   * @instructions
-  * get3rdCar() should return the string `The is a Land Rover Defender Ice Edition`
+  * get3rdCar() should return the string `The is a Land Rover Defenders Ice Edition`
   * 
   *
   * NOTE: This example has been completed for you.
 **/
 function get3rdCar(inventory) {
   const the3rd = inventory[2];
   return `The is a ${the3rd.car_make} ${the3rd.car_model}`
+  const the3rd = inventory[2];
+return 'The  is a ${the3rd.car_make} ${the3rd.car_model}'
 }
 
 // 👇 COMPLETE YOUR WORK BELOW 👇
@@ -210,9 +227,10 @@ function get3rdCar(inventory) {
  * it will return `This is a Lincoln Navigator`.
 */
 function getCarInfoByIndex(inventory, index) {
-  /* code here */
+  return `This is a ${inventory[index] .car_make} ${inventory[index].car_model}`;
 }
 
+
 /**
  * ### Challenge `getLastCarInfo`
  * 
@@ -224,8 +242,8 @@ 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(inventory) {
+  return `This is a ${inventory[inventory,length-1].car_make} ${inventory[inventory.length-1].car_model}` ;
 }
 
 /**
@@ -237,8 +255,12 @@ 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(inventory) {
+  const getTime = [];
+  for (let i = 0; i < inventory.length; i++) {
+    getTime.push(inventory[i].car_time)
+  }
+  return getTime;
 }
 
 /**
@@ -255,8 +277,13 @@ 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, Id) {
+for (let i = 0; i <= inventory.length-1; i++){
+  if(i === (Id-1)){
+    return `This is a ${inventroy[i].car_make} ${inventory[i].car_model}`;
+  }
+}
+
 }
 
 /**
@@ -273,8 +300,14 @@ 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(inventory , greatYear) {
+  let foundRetro = [];
+  for (let i=0; i<=inventory.length-1; i++)
+{
+  if(maxYear >= inventory[i]);
+  foundRetro.push(inventory[i]);
+}
+return foundRetro;
 }
 
 /**
@@ -290,8 +323,14 @@ 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(inventory) {
+  let getCar = [];
+  for(let i = 0; i <= inventory.length-1; i++) {
+    if(inventroy[i] car.make === 'Audi' || inventory[i].car_make === 'Mercedes-Benz' || inventory[i].car._make === 'Volkswagen' || inventory[i].car_make === 'BMW'){
+      getCar.push(inventory[i]);
+    }
+  }
+  return getCar;
 }
 
 /**
@@ -340,3 +379,4 @@ if (typeof exports !== 'undefined') {
   if (getGermanCars) { module.exports.getGermanCars = getGermanCars }
 
 }
+}