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22 changes: 11 additions & 11 deletions README.md
Original file line number Diff line number Diff line change
Expand Up @@ -7,26 +7,26 @@ With some basic JavaScript principles in hand, we can now expand our skills out

**Follow these steps to set up and work on your project:**

* [ ] Create a forked copy of this project.
* [ ] Add your project manager as collaborator on Github.
* [ ] Clone your OWN version of the repository (Not Lambda's by mistake!).
* [ ] Create a new branch: git checkout -b `<firstName-lastName>`.
* [ ] Implement the project on your newly created `<firstName-lastName>` branch, committing changes regularly.
* [ ] Push commits: git push origin `<firstName-lastName>`.
* [X] Create a forked copy of this project.
* [X] Add your project manager as collaborator on Github.
* [X] Clone your OWN version of the repository (Not Lambda's by mistake!).
* [X] Create a new branch: git checkout -b `<firstName-lastName>`.
* [X] Implement the project on your newly created `<firstName-lastName>` branch, committing changes regularly.
* [X] Push commits: git push origin `<firstName-lastName>`.

**Follow these steps for completing your project.**

* [ ] Submit a Pull-Request to merge <firstName-lastName> Branch into master (student's Repo). **Please don't merge your own pull request**
* [ ] Add your project manager as a reviewer on the pull-request
* [ ] Your project manager will count the project as complete by merging the branch back into master.
* [X] Submit a Pull-Request to merge <firstName-lastName> Branch into master (student's Repo). **Please don't merge your own pull request**
* [X] Add your project manager as a reviewer on the pull-request
* [X] Your project manager will count the project as complete by merging the branch back into master.

## Task 2: Higher Order Functions and Callbacks

This task focuses on getting practice with higher order functions and callback functions by giving you an array of values and instructions on what to do with that array.

* [ ] Review the contents of the [callbacks.js](assignments/callbacks.js) file. Notice you are given an array at the top of the page. Use that array to aid you with your functions.
* [X] Review the contents of the [callbacks.js](assignments/callbacks.js) file. Notice you are given an array at the top of the page. Use that array to aid you with your functions.

* [ ] Complete the problems provided to you but skip over stretch problems until you are complete with every other JS file first.
* [X] Complete the problems provided to you but skip over stretch problems until you are complete with every other JS file first.

## Task 3: Array Methods

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17 changes: 14 additions & 3 deletions assignments/array-methods.js
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Expand Up @@ -56,21 +56,32 @@ const runners = [{"id":1,"first_name":"Charmain","last_name":"Seiler","email":"c
// ==== Challenge 1: Use .forEach() ====
// The event director needs both the first and last names of each runner for their running bibs. Combine both the first and last names into a new array called fullName.
let fullName = [];

runners.forEach(runner => {
fullName.push(runner.first_name + " " + runner.last_name);
});

console.log(fullName);

// ==== Challenge 2: Use .map() ====
// The event director needs to have all the runner's first names converted to uppercase because the director BECAME DRUNK WITH POWER. Convert each first name into all caps and log the result
let allCaps = [];
let allCaps = runners.map(runner => {
runner.first_name = runner.first_name.toUpperCase();
return runner;
});

console.log(allCaps);

// ==== Challenge 3: Use .filter() ====
// The large shirts won't be available for the event due to an ordering issue. Get a list of runners with large sized shirts so they can choose a different size. Return an array named largeShirts that contains information about the runners that have a shirt size of L and log the result
let largeShirts = [];
let largeShirts = runners.filter(runner => runner.shirt_size === "L");
console.log(largeShirts);

// ==== Challenge 4: Use .reduce() ====
// The donations need to be tallied up and reported for tax purposes. Add up all the donations into a ticketPriceTotal array and log the result
let ticketPriceTotal = [];
let ticketPriceTotal = runners.reduce((acc, curr) => {
return acc + curr.donation;
}, 0);
console.log(ticketPriceTotal);

// ==== Challenge 5: Be Creative ====
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29 changes: 27 additions & 2 deletions assignments/callbacks.js
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Expand Up @@ -26,30 +26,55 @@ const items = ['Pencil', 'Notebook', 'yo-yo', 'Gum'];


function getLength(arr, cb) {
// getLength passes the length of the array into the callback.
return cb(arr.length);
}

function last(arr, cb) {
// last passes the last item of the array into the callback.
cb(arr[arr.length -1]);
}

function sumNums(x, y, cb) {
// sumNums adds two numbers (x, y) and passes the result to the callback.
cb(x + y);
}

function multiplyNums(x, y, cb) {
// multiplyNums multiplies two numbers and passes the result to the callback.
cb(x*y);
}

function contains(item, list, cb) {
// contains checks if an item is present inside of the given array/list.
// Pass true to the callback if it is, otherwise pass false.
cb(containsItem(item, list));
}

/* STRETCH PROBLEM */

function containsItem(item, list) {
for (let i = 0; i < list.length; i++){
if(list[i] === item){
return true;
}
}
return false;
}

function removeDuplicates(array, cb) {
// removeDuplicates removes all duplicate values from the given array.
// Pass the duplicate free array to the callback function.
// Do not mutate the original array.
let newArray = [];
array.forEach(val => {
if(!containsItem(val, newArray)){
newArray.push(val);
}
});
cb(newArray);
}

const testArr = ['Tom', 'Tom', 'Jerry', 'Ginger'];
const testSet = new Set(testArr);
const newArr = [...testSet];

removeDuplicates(testArr, value => console.log(value));
23 changes: 7 additions & 16 deletions assignments/closure.js
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@@ -1,21 +1,12 @@
// ==== Challenge 1: Write your own closure ====
// Write a simple closure of your own creation. Keep it simple!

let exampleVar = 0;
//global scope

/* STRETCH PROBLEMS, Do not attempt until you have completed all previous tasks for today's project files */
function exmapleFunc (){
return exampleVar;
//function scope
}


// ==== Challenge 2: Create a counter function ====
const counter = () => {
// Return a function that when invoked increments and returns a counter variable.
};
// Example usage: const newCounter = counter();
// newCounter(); // 1
// newCounter(); // 2

// ==== Challenge 3: Create a counter function with an object that can increment and decrement ====
const counterFactory = () => {
// Return an object that has two methods called `increment` and `decrement`.
// `increment` should increment a counter variable in closure scope and return it.
// `decrement` should decrement the counter variable and return it.
};
/* STRETCH PROBLEMS, Do not attempt until you have completed all previous tasks for today's project files */