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45 changes: 41 additions & 4 deletions assignments/array-methods.js
Original file line number Diff line number Diff line change
Expand Up @@ -56,28 +56,65 @@ 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);
runners.forEach(item => {
fullName.push([item.first_name, item.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 = [];
fullName.map(item => {
allCaps.push(item[0].toUpperCase()); //?
});

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 = [];
console.log(largeShirts);
runners.filter(runner => {
if (runner.shirt_size === 'L') {
return largeShirts.push(runner);
}
})
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 = [];
console.log(ticketPriceTotal);
let donations = [];
runners.forEach(item => {
donations.push(item.donation); //?
});
ticketPriceTotal.push(donations.reduce((total, amount )=> {
return total + amount; //?
}));

console.log(ticketPriceTotal); //?

// ==== 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 solve 3 unique problems using one or many of the array methods listed above.

// Problem 1
// make email list to send a thank you note to the companies that donated.
let emailList = [];
runners.forEach(runner => {
emailList.push(runner.email);
console.log(emailList); //?
});

// Problem 2
// filter top donator list - donors over $200
let topDonors = [];
runners.filter(runner => {
if (runner.donation > 200) {
return topDonors.push([runner.company_name, '$' + runner.donation]); //?
}
}); //?

console.log(`We would like to thank the follow companies for their generous donations: ${topDonors.company_name}${topDonors}`); //?

// Problem 3
//total shirts to order

// Problem 3
46 changes: 42 additions & 4 deletions assignments/closure.js
Original file line number Diff line number Diff line change
@@ -1,19 +1,57 @@
// ==== Challenge 1: Write your own closure ====
// Write a simple closure of your own creation. Keep it simple!

function waterTemp(temp) {
let waterTemp = temp;

function waterOrIce() {
if (waterTemp <= 32) {
return 'Ice Ice Baby';

} else {
return 'what is bruce lee\'s favorite drink? WATAAA!'
}

}
return waterOrIce();
}

waterTemp(35); //?

// ==== Challenge 2: Create a counter function ====
const counter = () => {
let counter = 0;
const newCounter = () => {return counter++};
newCounter(); //?
newCounter(); //?
newCounter(); //?


// 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 = () => {
let count = 0;
return {
increment() {
count++;
return count;
},
decrement() {
count--;
return count;
}
}
}

const newCounterFactory = counterFactory();
console.log(newCounterFactory.increment());
console.log(newCounterFactory.decrement()); //?
console.log(typeof newCounterFactory);
console.log(typeof 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.
};
// `decrement` should decrement the counter variable and return it.
22 changes: 10 additions & 12 deletions assignments/function-conversion.js
Original file line number Diff line number Diff line change
@@ -1,23 +1,21 @@
// Take the commented ES5 syntax and convert it to ES6 arrow Syntax

// let myFunction = function () {};
let myFunction = () => {};

// let anotherFunction = function (param) {
// return param;
// };
let anotherFunction = param => {
return param;
};

let add = (param1, param2) => param1 + param2;

// let add = function (param1, param2) {
// return param1 + param2;
// };
// add(1,2);
add(1,2); //?

let subtract = function (param1, param2) {
return param1 - param2;
};
subtract(1,2); //?

exampleArray = [1,2,3,4];
// const triple = exampleArray.map(function (num) {
// return num * 3;
// });
// console.log(triple);

const triple = exampleArray.map(num => num * 3);
console.log(triple);