From 67026697cdcf6a2581f7bcaa842f002974da6696 Mon Sep 17 00:00:00 2001
From: ubuntu <irishseanvaldivia@gmail.com>
Date: Sat, 17 Feb 2018 11:42:29 -0600
Subject: [PATCH 01/14] Let's roll!

---
 src/project-1.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/project-1.js b/src/project-1.js
index dc26cfb..51f08e4 100644
--- a/src/project-1.js
+++ b/src/project-1.js
@@ -2,7 +2,7 @@
 
 const multiplyByTen = (num) => {
   // return num after multiplying it by ten
-  // code here
+  return num * 10;
 };
 
 const subtractFive = (num) => {

From a4a20c94f26e91802198a4a098c3ad0d71ec0ea6 Mon Sep 17 00:00:00 2001
From: ubuntu <irishseanvaldivia@gmail.com>
Date: Sat, 17 Feb 2018 11:45:16 -0600
Subject: [PATCH 02/14] Word to tha' trizzle!

---
 src/project-1.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/project-1.js b/src/project-1.js
index 51f08e4..3c7541d 100644
--- a/src/project-1.js
+++ b/src/project-1.js
@@ -7,13 +7,13 @@ const multiplyByTen = (num) => {
 
 const subtractFive = (num) => {
   // return num after subtracting five
-  // code here
+  return num - 5;
 };
 
 const areSameLength = (str1, str2) => {
   // return true if the two strings have the same length
   // otherwise return false
-  // code here
+  return str1.length === str2.length;
 };
 
 const areEqual = (x, y) => {

From 8c7f7518e29ce7fb127803c7d1ce15041dd57c63 Mon Sep 17 00:00:00 2001
From: ubuntu <irishseanvaldivia@gmail.com>
Date: Sat, 17 Feb 2018 12:53:01 -0600
Subject: [PATCH 03/14] This is fun!

---
 src/project-1.js | 43 ++++++++++++++++++++++---------------------
 1 file changed, 22 insertions(+), 21 deletions(-)

diff --git a/src/project-1.js b/src/project-1.js
index 3c7541d..9502d21 100644
--- a/src/project-1.js
+++ b/src/project-1.js
@@ -19,121 +19,122 @@ const areSameLength = (str1, str2) => {
 const areEqual = (x, y) => {
   // return true if x and y are the same
   // otherwise return false
-  // code here
+  return x === y;
 };
 
 const lessThanNinety = (num) => {
   // return true if num is less than ninety
   // otherwise return false
-  // code here
+  return num < 90;
 };
 
 const greaterThanFifty = (num) => {
   // return true if num is greater than fifty
   // otherwise return false
-  // code here
+  return num > 50;
 };
 
 const add = (x, y) => {
   // add x and y together and return the value
-  // code here
+  return x + y;
 };
 
 const subtract = (x, y) => {
   // subtract y from x and return the value
-  // code here
+  return x - y;
 };
 
 const divide = (x, y) => {
   // divide x by y and return the value
-  // code here
+  return x / y;
 };
 
 const multiply = (x, y) => {
   // multiply x by y and return the value
-  // code here
+  return x * y;
 };
 
 const getRemainder = (x, y) => {
   // return the remainder from dividing x by y
-  // code here
+  return x % y;
 };
 
 const isEven = (num) => {
   // return true if num is even
   // otherwise return false
-  // code here
+  return num % 2 === 0;
 };
 
 const isOdd = (num) => {
   // return true if num is odd
   // otherwise return false
-  // code here
+  return num % 2 !== 0;
 };
 
 const square = (num) => {
   // square num and return the new value
-  // code here
+  return num * num;
 };
 
 const cube = (num) => {
   // cube num and return the new value
-  // code here
+  return num * num * num;
 };
 
 const raiseToPower = (num, exponent) => {
   // raise num to whatever power is passed in as exponent
-  // code here
+  return Math.pow(num, exponent);
 };
 
 const roundNumber = (num) => {
   // round num and return it
-  // code here
+  return Math.round(num);
 };
 
 const roundUp = (num) => {
   // round num up and return it
-  // code here
+  return Math.ceil(num);
 };
 
 const addExclamationPoint = (str) => {
   // add an exclamation point to the end of str and return the new string
   // 'hello world' -> 'hello world!'
-  // code here
+  return `${str}!`;
 };
 
 const combineNames = (firstName, lastName) => {
   // return firstName and lastName combined as one string and separated by a space.
   // 'Lambda', 'School' -> 'Lambda School'
   // code here
+  return `${firstName} ${lastName}`;
 };
 
 const getGreeting = (name) => {
   // Take the name string and concatenate other strings onto it so it takes the following form:
   // 'Sam' -> 'Hello Sam!'
-  // code here
+  return `Hello ${name}!`;
 };
 
 // If you can't remember these area formulas then head over to Google or look at the test code.
 
 const getRectangleArea = (length, width) => {
   // return the area of the rectangle by using length and width
-  // code here
+  return length * width;
 };
 
 const getTriangleArea = (base, height) => {
   // return the area of the triangle by using base and height
-  // code here
+  return (height * base) / 2;
 };
 
 const getCircleArea = (radius) => {
   // return the rounded area of the circle given the radius
-  // code here
+  return Math.round(Math.PI * radius * radius);
 };
 
 const getRectangularPrismVolume = (length, width, height) => {
   // return the volume of the 3D rectangular prism given the length, width, and height
-  // code here
+  return length * width * height;
 };
 
 // Do not modify code below this line.

From 75d3f26f506b1668bc7b6f90c18580bb0bad9f6e Mon Sep 17 00:00:00 2001
From: ubuntu <irishseanvaldivia@gmail.com>
Date: Sat, 17 Feb 2018 14:44:46 -0600
Subject: [PATCH 04/14] More progress...

---
 src/project-2.js | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/src/project-2.js b/src/project-2.js
index 5fe0047..ec0ee3d 100644
--- a/src/project-2.js
+++ b/src/project-2.js
@@ -3,6 +3,9 @@
 const getBiggest = (x, y) => {
   // x and y are integers.  Return the larger integer
   // if they are the same return either one
+  if (x > y) return x;
+  if (y > x) return y;
+  return x;
 };
 
 const greeting = (language) => {
@@ -11,15 +14,21 @@ const greeting = (language) => {
   // language: 'Spanish' -> 'Hola!'
   // language: 'Chinese' -> 'Ni Hao!'
   // if language is undefined return 'Hello!'
+  if (language === 'German') return 'Guten Tag!';
+  if (language === 'Spanish') return 'Hola!';
+  if (language === 'Chinese') return 'Ni Hao!';
+  return 'Hello!';
 };
 
 const isTenOrFive = (num) => {
   // return true if num is 10 or 5
   // otherwise return false
+  return num === 10 || num === 5;
 };
 
 const isInRange = (num) => {
   // return true if num is less than 50 and greater than 20
+  return num < 50 && num > 20;
 };
 
 const isInteger = (num) => {
@@ -29,6 +38,8 @@ const isInteger = (num) => {
   // -10 -> true
   // otherwise return false
   // hint: you can solve this using Math.floor
+  if (num > Math.floor(num)) return false;
+  return true;
 };
 
 const fizzBuzz = (num) => {
@@ -36,6 +47,10 @@ const fizzBuzz = (num) => {
   // if num is divisible by 5 return 'buzz'
   // if num is divisible by 3 & 5 return 'fizzbuzz'
   // otherwise return num
+  if (num % 3 === 0 && num % 5 === 0) return 'fizzbuzz';
+  if (num % 3 === 0) return 'fizz';
+  if (num % 5 === 0) return 'buzz';
+  return num;
 };
 
 const isPrime = (num) => {
@@ -48,6 +63,7 @@ const isPrime = (num) => {
 
 const returnFirst = (arr) => {
   // return the first item from the array
+  return arr[0];
 };
 
 const returnLast = (arr) => {

From e3cc9a6522611a8c8c5a763bd79bd894dcd54102 Mon Sep 17 00:00:00 2001
From: ubuntu <irishseanvaldivia@gmail.com>
Date: Sat, 17 Feb 2018 14:45:43 -0600
Subject: [PATCH 05/14] Just another commit.

---
 src/project-2.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/project-2.js b/src/project-2.js
index ec0ee3d..0c6c05b 100644
--- a/src/project-2.js
+++ b/src/project-2.js
@@ -68,10 +68,12 @@ const returnFirst = (arr) => {
 
 const returnLast = (arr) => {
   // return the last item of the array
+  return arr[arr.length - 1];
 };
 
 const getArrayLength = (arr) => {
   // return the length of the array
+  return arr.length;
 };
 
 const incrementByOne = (arr) => {

From 890217e8defda7f8aadd2206ab9fe9b9283d9930 Mon Sep 17 00:00:00 2001
From: ubuntu <irishseanvaldivia@gmail.com>
Date: Sat, 17 Feb 2018 14:46:39 -0600
Subject: [PATCH 06/14] Let's keep this rolling!

---
 src/project-2.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/project-2.js b/src/project-2.js
index 0c6c05b..7b5522c 100644
--- a/src/project-2.js
+++ b/src/project-2.js
@@ -80,6 +80,10 @@ const incrementByOne = (arr) => {
   // arr is an array of integers
   // increase each integer by one
   // return the array
+  for (let i = 0; i < arr.length; i++) {
+    arr[i] += 1;
+  }
+  return arr;
 };
 
 const addItemToArray = (arr, item) => {

From 008dc532a6a691863be44a1ed31a6e15cd20b431 Mon Sep 17 00:00:00 2001
From: ubuntu <irishseanvaldivia@gmail.com>
Date: Sat, 17 Feb 2018 14:50:53 -0600
Subject: [PATCH 07/14] Getting my grind while on the bus to work!

---
 src/project-2.js | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/project-2.js b/src/project-2.js
index 7b5522c..7d0a127 100644
--- a/src/project-2.js
+++ b/src/project-2.js
@@ -89,12 +89,16 @@ const incrementByOne = (arr) => {
 const addItemToArray = (arr, item) => {
   // add the item to the end of the array
   // return the array
+  arr.push(item);
+  return arr;
 };
 
 const addItemToFront = (arr, item) => {
   // add the item to the front of the array
   // return the array
   // hint: use the array method .unshift
+  arr.unshift(item);
+  return arr;
 };
 
 const wordsToSentence = (words) => {
@@ -102,6 +106,7 @@ const wordsToSentence = (words) => {
   // return a string that is all of the words concatenated together
   // spaces need to be between each word
   // example: ['Hello', 'world!'] -> 'Hello world!'
+  return words.join(' ');
 };
 
 const contains = (arr, item) => {
@@ -112,6 +117,11 @@ const contains = (arr, item) => {
 const addNumbers = (numbers) => {
   // numbers is an array of integers.
   // add all of the integers and return the value
+  let total = 0;
+  for (let i = 0; i < numbers.length; i++) {
+    total += numbers[i];
+  }
+  return total;
 };
 
 const averageTestScore = (testScores) => {

From adc41092b89e700aa859069f74216da23f1ef68f Mon Sep 17 00:00:00 2001
From: ubuntu <irishseanvaldivia@gmail.com>
Date: Sat, 17 Feb 2018 14:53:59 -0600
Subject: [PATCH 08/14] Keep going...

---
 src/project-2.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/project-2.js b/src/project-2.js
index 7d0a127..24dfd42 100644
--- a/src/project-2.js
+++ b/src/project-2.js
@@ -112,6 +112,10 @@ const wordsToSentence = (words) => {
 const contains = (arr, item) => {
   // check to see if item is inside of arr
   // return true if it is, otherwise return false
+  for (let i = 0; i < arr.length; i++) {
+    if (arr[i] === item) return true;
+  }
+  return false;
 };
 
 const addNumbers = (numbers) => {

From 38c4cf9b14c8b5310978bae5335eab882696e3dc Mon Sep 17 00:00:00 2001
From: ubuntu <irishseanvaldivia@gmail.com>
Date: Sat, 17 Feb 2018 14:58:33 -0600
Subject: [PATCH 09/14] Will come back and do prime function.

---
 src/project-2.js | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/project-2.js b/src/project-2.js
index 24dfd42..fcc6de4 100644
--- a/src/project-2.js
+++ b/src/project-2.js
@@ -131,11 +131,23 @@ const addNumbers = (numbers) => {
 const averageTestScore = (testScores) => {
   // testScores is an array.  Iterate over testScores and compute the average.
   // return the average
+  let rawTotal = 0;
+  for (let i = 0; i < testScores.length; i++) {
+    rawTotal += testScores[i];
+  }
+  return rawTotal / testScores.length;
 };
 
 const largestNumber = (numbers) => {
   // numbers is an array of integers
   // return the largest integer
+  let largest = 0;
+  for (let i = 0; i < numbers.length; i++) {
+    if (numbers[i] > largest) {
+      largest = numbers[i];
+    }
+  }
+  return largest;
 };
 
 // Do not modify code below this line.

From 4ce25a837e84e4f96ce4017d771498d8d4d991f8 Mon Sep 17 00:00:00 2001
From: ubuntu <irishseanvaldivia@gmail.com>
Date: Sat, 17 Feb 2018 15:42:01 -0600
Subject: [PATCH 10/14] Still working on it before I have to clock in for
 work...

---
 src/project-3.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/project-3.js b/src/project-3.js
index 7ca1430..f6806c3 100644
--- a/src/project-3.js
+++ b/src/project-3.js
@@ -5,6 +5,11 @@ const makeCat = (name, age) => {
   // add an age property to the object with the value set to the age argument
   // add a method called meow that returns the string 'Meow!'
   // return the object
+  const cat = {};
+  cat.name = name;
+  cat.age = age;
+  cat.meow = () => 'Meow!';
+  return cat;
 };
 
 const addProperty = (object, property) => {

From 87b08b83c06c9a68ec86c64b4cdcbbcb9868b6d6 Mon Sep 17 00:00:00 2001
From: ubuntu <irishseanvaldivia@gmail.com>
Date: Sat, 17 Feb 2018 15:50:06 -0600
Subject: [PATCH 11/14] This object can take its method and shove it up its
 void!

---
 src/project-3.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/project-3.js b/src/project-3.js
index f6806c3..50b875f 100644
--- a/src/project-3.js
+++ b/src/project-3.js
@@ -16,17 +16,21 @@ const addProperty = (object, property) => {
   // add the property to the object with a value of null
   // return the object
   // note: the property name is NOT 'property'.  The name is the value of the argument called property (a string)
+  object[property] = null;
+  return object;
 };
 
 const invokeMethod = (object, method) => {
   // method is a string that contains the name of a method on the object
   // invoke this method
   // nothing needs to be returned
+  object[method]();
 };
 
 const multiplyMysteryNumberByFive = (mysteryNumberObject) => {
   // mysteryNumberObject has a property called mysteryNumber
   // multiply the mysteryNumber property by 5 and return the product
+  
 };
 
 const deleteProperty = (object, property) => {

From b0935ae99dace7682df92279ad545b56d9caeb4f Mon Sep 17 00:00:00 2001
From: ubuntu <irishseanvaldivia@gmail.com>
Date: Sun, 18 Feb 2018 15:48:38 -0600
Subject: [PATCH 12/14] Got some more of project-3.js working!

---
 src/project-3.js | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/src/project-3.js b/src/project-3.js
index 50b875f..afd2c80 100644
--- a/src/project-3.js
+++ b/src/project-3.js
@@ -30,34 +30,51 @@ const invokeMethod = (object, method) => {
 const multiplyMysteryNumberByFive = (mysteryNumberObject) => {
   // mysteryNumberObject has a property called mysteryNumber
   // multiply the mysteryNumber property by 5 and return the product
-  
+  return mysteryNumberObject.mysteryNumber * 5;
 };
 
 const deleteProperty = (object, property) => {
   // remove the property from the object
   // return the object
+  delete object[property];
+  return object;
 };
 
 const newUser = (name, email, password) => {
   // create a new object with properties matching the arguments passed in.
   // return the new object
+  const user = {};
+  user.name = name;
+  user.email = email;
+  user.password = password;
+  return user;
 };
 
 const hasEmail = (user) => {
   // return true if the user has a value for the property 'email'
   // otherwise return false
+  if (!user.email) return false;
+  return true;
 };
 
 const hasProperty = (object, property) => {
   // return true if the object has the value of the property argument
   // property is a string
   // otherwise return false
+  const entries = Object.entries(object);
+  for (let i = 0; i < entries.length; i++) {
+    if (entries[i][0] === property) {
+      return true;
+    }
+  }
+  return false;
 };
 
 const verifyPassword = (user, password) => {
   // check to see if the provided password matches the password property on the user object
   // return true if they match
   // otherwise return false
+  return user.password === password;
 };
 
 const updatePassword = (user, newPassword) => {

From eded9ebd4339241dc6b2d56272ee40e4e34ef444 Mon Sep 17 00:00:00 2001
From: ubuntu <irishseanvaldivia@gmail.com>
Date: Sun, 18 Feb 2018 16:05:58 -0600
Subject: [PATCH 13/14] Guess who just finished all of project-3.js??upower -d

---
 src/project-3.js | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/src/project-3.js b/src/project-3.js
index afd2c80..1ca48f1 100644
--- a/src/project-3.js
+++ b/src/project-3.js
@@ -80,12 +80,16 @@ const verifyPassword = (user, password) => {
 const updatePassword = (user, newPassword) => {
   // replace the existing password on the user object with the value of newPassword
   // return the object
+  user.password = newPassword;
+  return user;
 };
 
 const addFriend = (user, newFriend) => {
   // user has a property called friends that is an array
   // add newFriend to the end of the friends array
   // return the user object
+  user.friends.push(newFriend);
+  return user;
 };
 
 const setUsersToPremium = (users) => {
@@ -93,6 +97,10 @@ const setUsersToPremium = (users) => {
   // each user object has the property 'isPremium'
   // set each user's isPremium property to true
   // return the users array
+  for (let i = 0; i < users.length; i++) {
+    users[i].isPremium = true;
+  }
+  return users;
 };
 
 const sumUserPostLikes = (user) => {
@@ -101,6 +109,11 @@ const sumUserPostLikes = (user) => {
   // each post object has an integer property called 'likes'
   // sum together the likes from all the post objects
   // return the sum
+  let sum = 0;
+  for (let i = 0; i < user.posts.length; i++) {
+    sum += user.posts[i].likes;
+  }
+  return sum;
 };
 
 const addCalculateDiscountPriceMethod = (storeItem) => {
@@ -113,6 +126,11 @@ const addCalculateDiscountPriceMethod = (storeItem) => {
   // discountPrice = 20 - (20 * .2)
   // Make sure you return storeItem after adding the method to it
   // hint: arrow functions don't bind a this
+  storeItem.calculateDiscountPrice = function () {
+    const discount = this.price * this.discountPercentage;
+    return this.price - discount;
+  };
+  return storeItem;
 };
 
 // Do not modify code below this line.

From 3636d8b9a15636de8fc3c23fd7d88c219d667aab Mon Sep 17 00:00:00 2001
From: ubuntu <irishseanvaldivia@gmail.com>
Date: Mon, 19 Feb 2018 01:44:25 -0600
Subject: [PATCH 14/14] Fun challenge!

---
 src/project-4.js | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/src/project-4.js b/src/project-4.js
index 3a3a186..c8cbf8b 100644
--- a/src/project-4.js
+++ b/src/project-4.js
@@ -1,31 +1,46 @@
 const getFirstItem = (collection, cb) => {
   // invoke the callback function and pass the first item from the collection in as an argument
+  cb(collection[0]);
 };
 
 const getLength = (collection, cb) => {
   // Write a function called getLength that passes the length of the array into the callback
+  cb(collection.length);
 };
 
 const getLastItem = (collection, cb) => {
   // Write a function called getLastItem which passes the getLastItem item of the array into the callback
+  cb(collection[collection.length - 1]);
 };
 
 const sumNums = (x, y, cb) => {
   // Write a function called sumNums that adds two numbers and passes the result to the callback
+  cb(x + y);
 };
 
 const multiplyNums = (x, y, cb) => {
   // Write a function called multiplyNums that multiplies two numbers and passes the result to the callback
+  cb(x * y);
 };
 
 const contains = (collection, item, cb) => {
   // Write a function called contains that checks if an item is present inside of the given array.
   // Pass true to the callback if it is, otherwise pass false
+  let isPresent = false;
+  for (let i = 0; i < collection.length; i++) {
+    if (collection[i] === item) {
+      isPresent = true;
+    }
+  }
+  cb(isPresent);
 };
 
 const removeDuplicates = (collection, cb) => {
   // Write a function called removeDuplicates that removes all duplicate values from the given array.
   // Pass the array to the callback function.  Do not mutate the original array.
+  let singles = new Set(collection);
+  singles = [...singles];
+  cb(singles);
 };
 
 module.exports = {