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Project MVP completed
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‎assignments/array-methods.js‎

Lines changed: 39 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -56,28 +56,62 @@ const runners = [{"id":1,"first_name":"Charmain","last_name":"Seiler","email":"c
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// ==== Challenge 1: Use .forEach() ====
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// 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.
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let fullName = [];
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console.log(fullName);
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runners.forEach( function(currentvalue){
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fullName.push(`${currentvalue.first_name} ${currentvalue.last_name}`);
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});
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console.log(fullName)
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// ==== Challenge 2: Use .map() ====
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// 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
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let allCaps = [];
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let allCaps = runners.map(function(currentvalue){
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return currentvalue.first_name.toUpperCase();
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});
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console.log(allCaps);
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// ==== Challenge 3: Use .filter() ====
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// 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
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let largeShirts = [];
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let largeShirts = runners.filter(function(currentvalue){
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return currentvalue.shirt_size == 'L'; /* Different way--> .includes('L') && !currentvalue.shirt_size.includes('XL');*/
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});
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console.log(largeShirts);
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// ==== Challenge 4: Use .reduce() ====
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// 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
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let ticketPriceTotal = [];
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let ticketPriceTotal = runners.reduce(function(accumulator, currentvalue){
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return accumulator + currentvalue.donation;
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},0);
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console.log(ticketPriceTotal);
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// ==== Challenge 5: Be Creative ====
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// 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.
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// Problem 1
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//.forEach(), runners names and email emails
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const nameandemail = [];
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runners.forEach(function(currentvalue){
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nameandemail.push(`${currentvalue.first_name} ${currentvalue.last_name}: ${currentvalue.email}`);
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});
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console.log(nameandemail);
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// Problem 2
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//.map(), names and donations
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const namesAnd = runners.map(function(currentvalue){
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return `${currentvalue.first_name} ${currentvalue.last_name} Donated: $${currentvalue.donation}`
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});
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console.log(namesAnd);
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// Problem 3
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//.filter, donations under 100$
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const Under100 = runners.filter(function(currentvalue){
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return currentvalue.donation < 100;
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})
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// Problem 3
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console.log(Under100);

‎assignments/callbacks.js‎

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Original file line numberDiff line numberDiff line change
@@ -26,30 +26,64 @@ const items = ['Pencil', 'Notebook', 'yo-yo', 'Gum'];
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function getLength(arr, cb) {
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return cb(arr.length);
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// getLength passes the length of the array into the callback.
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}
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getLength(items, function(length){
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console.log(length);
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});
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function last(arr, cb) {
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return cb(arr[arr.length-1]);
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// last passes the last item of the array into the callback.
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}
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last(items, function(lastitem){
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console.log(lastitem);
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});
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function sumNums(x, y, cb) {
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return cb(x + y);
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// sumNums adds two numbers (x, y) and passes the result to the callback.
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}
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sumNums(5, 3, function(add){
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console.log(add);
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});
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function multiplyNums(x, y, cb) {
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return cb(x * y);
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// multiplyNums multiplies two numbers and passes the result to the callback.
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}
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multiplyNums(5, 8, function(multiply){
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console.log(multiply);
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})
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function contains(item, list, cb) {
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if (list.includes(item)) {
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return cb(true);
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}else{
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return cb(false);
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}
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// contains checks if an item is present inside of the given array/list.
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// Pass true to the callback if it is, otherwise pass false.
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}
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contains('Notebook', items, function(contain){
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console.log(contain);
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});
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/* STRETCH PROBLEM */
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function removeDuplicates(array, cb) {
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// removeDuplicates removes all duplicate values from the given array.
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// Pass the duplicate free array to the callback function.
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// Do not mutate the original array.
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}
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‎assignments/closure.js‎

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Original file line numberDiff line numberDiff line change
@@ -2,6 +2,25 @@
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// Write a simple closure of your own creation. Keep it simple!
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function myClosure() {
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console.log('this is my closure example');
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const message = "This is my message from within myClosure";
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function secondClosure() {
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console.log(`example: ${message}`);
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const anothermessage = 'This is another message from within my secondClosure';
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function thirdClosure() {
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console.log(`${message} and ${anothermessage}`)
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}
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thirdClosure();
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}
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secondClosure();
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}
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myClosure();
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/* STRETCH PROBLEMS, Do not attempt until you have completed all previous tasks for today's project files */
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