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Testing commit for the new workflow #1

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2ac53f6
Testing commit for the new workflow
Pwolfe39 Jan 25, 2019
626cfe6
Completed array-methods.js
Pwolfe39 Jan 25, 2019
ab36648
Completed Callbacks.js
Pwolfe39 Jan 25, 2019
087d95a
Completed closure.js
Pwolfe39 Jan 25, 2019
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55 changes: 36 additions & 19 deletions assignments/array-methods.js
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Expand Up @@ -55,29 +55,46 @@ 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 = [];
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 = [];
console.log(allCaps);
// let fullName = runners.forEach(function(i) {
// fullName.push(`${i.first_name} ${i.last_name}`);
// });
// let fullName = [];
// runners.forEach((name) => {fullName.push(`First: ${name.first_name} Last: ${name.last_name}`)});
// console.log(fullName);

// ==== 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 = [];
console.log(largeShirts);
// // ==== 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 = runners.map((person) => {
// return person.first_name.toUpperCase();
// })
// console.log(allCaps);

// ==== 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 = [];
console.log(ticketPriceTotal);
// // ==== 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 = runners.filter(shirts => shirts.shirt_size === 'L');
// console.log(largeShirts);

// ==== Challenge 5: Be Creative ====
// Now that you have used .forEach(), .map(), .filter(), and .reduce(). I want you to think of potential problems you could solve given the data set and the 5k fun run theme. Try to create and then solve 3 unique problems using one or many of the array methods listed above.
// // ==== 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 = runners.reduce((total, donations) => total + donations.donation, 0);
// console.log(ticketPriceTotal);

// Problem 1
// // ==== Challenge 5: Be Creative ====
// // Now that you have used .forEach(), .map(), .filter(), and .reduce(). I want you to think of potential problems you could solve given the data set and the 5k fun run theme. Try to create and then solve 3 unique problems using one or many of the array methods listed above.

// Problem 2
// // Problem 1
// // Get the company names and their donations
// let companyNameAndDonation = [];
// runners.forEach((companyDonations) => {companyNameAndDonation.push(`Co: ${companyDonations.company_name}, Donations: ${companyDonations.donation}`)});
// console.log(companyNameAndDonation);

// Problem 3
// // Problem 2
// //
// let xlargeShirts = runners.filter(tShirts => tShirts.shirt_size === 'L' || tShirts.shirt_size === 'XL');
// console.log(xlargeShirts);

// // Problem 3
// let test = runners.map((person) => {
// console.log(`First Name:${person.first_name} Last Name:${person.last_name} Email:${person.email}`);
// })
105 changes: 68 additions & 37 deletions assignments/callbacks.js
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@@ -1,52 +1,83 @@
// Create a callback function and invoke the function to test your work. You have been provided an example of a problem and a solution to see how this works with our items array. Study both the problem and the solution to figure out the rest of the problems.

const items = ['Pencil', 'Notebook', 'yo-yo', 'Gum'];
// const items = ['Pencil', 'Notebook', 'yo-yo', 'Gum'];

/*
// // function firstItem(arr, cb) {
// // // firstItem passes the first item of the given array to the callback function.
// // }
// // Potential Solution:
// function firstItem(arr, cb) {
// cb(arr[0]);
// }

//Given this problem:

function firstItem(arr, cb) {
// firstItem passes the first item of the given array to the callback function.
}
// firstItem(items, (first) => {
// console.log(first);
// });

// Potential Solution:
function firstItem(arr, cb) {
return cb(arr[0]);
}
// function getLength(arr, cb) {
// // // getLength passes the length of the array into the callback.
// console.log(cb(arr));
// }

firstItem(items, function(first) {
console.log(first)
});

*/
// let arrayLength = function(items) {
// return items.length;
// }

// getLength(items, arrayLength);

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

function last(arr, cb) {
// last passes the last item of the array into the callback.
}
// last(items, (lastItem) => {
// console.log(lastItem);
// });

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

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

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


// sumNums(10, 20, (callback) => {
// console.log(callback);
// });


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

// multiplyNums(10, 15, function(total) {
// console.log(total);
// });


// 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.
// for (let i = 0; i < list.length; i++) {
// if (list[i] === item) {
// return cb(true);
// } else {
// return cb(false);
// }
// }
// }



// // /* STRETCH PROBLEM */

// // 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.
// // }

/* STRETCH PROBLEM */

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.
}
69 changes: 53 additions & 16 deletions assignments/closure.js
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@@ -1,20 +1,57 @@
// ==== Challenge 1: Write your own closure ====
// Write a simple closure of your own creation. Keep it simple!

// function postThis() {
// const message = "Social media has responded";
// console.log("This message is for social media.");
// // debugger
// function replyTo() {
// console.log(`Hello my children, ${message}.`);
// // debugger
// }

// replyTo();
// }

// ==== 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

/* STRETCH PROBLEM, Do not attempt until you have completed all previous tasks for today's project files */

// ==== 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.
};
// postThis();




// // // ==== Challenge 2: Create a counter function ====
// const counter = () => {
// for (let i = 0; i < counter.length; i++) {
// return counter;
// }
// // Return a function that when invoked increments and returns a counter variable.
// function newCounter(x) {
// return function (y) {
// return x + y;
// }

// }

// const add10 = newCounter(10);
// const add20 = newCounter(20);


// console.log( add10(4));
// console.log( add20(4));

// };

// counter()


// // Example usage: const newCounter = counter();
// // newCounter(); // 1
// // newCounter(); // 2

// /* STRETCH PROBLEM, Do not attempt until you have completed all previous tasks for today's project files */

// // ==== 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.
// };