ElliotPhipps · ElliotPhipps · Oct 15, 2019 · Oct 16, 2019
diff --git a/assignments/array-methods.js b/assignments/array-methods.js
@@ -58,28 +58,69 @@ const runners = [
 // ==== 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 and populate a new array called `fullNames`. This array will contain just strings.
 let fullNames = [];
+
+runners.forEach(function(items) {
+  return fullNames.push(`${items.first_name} ${items.last_name}`);
+});
 console.log(fullNames);
 
 // ==== Challenge 2: Use .map() ====
 // The event director needs to have all the runners' first names in uppercase because the director BECAME DRUNK WITH POWER. Populate an array called `firstNamesAllCaps`. This array will contain just strings.
-let firstNamesAllCaps = [];
+let firstNamesAllCaps = runners.map(function(items) {
+  return items.first_name.toUpperCase();
+});
+
 console.log(firstNamesAllCaps);
 
 // ==== Challenge 3: Use .filter() ====
 // The large shirts won't be available for the event due to an ordering issue. We need a filtered version of the runners array, containing only those runners with large sized shirts so they can choose a different size. This will be an array of objects.
-let runnersLargeSizeShirt = [];
+let runnersLargeSizeShirt = runners.filter(function(items){
+  return items.shirt_size === 'L' ;
+})
+
 console.log(runnersLargeSizeShirt);
 
 // ==== Challenge 4: Use .reduce() ====
 // The donations need to be tallied up and reported for tax purposes. Add up all the donations and save the total into a ticketPriceTotal variable.
 let ticketPriceTotal = 0;
+let sum = runners.reduce(function(accumulator, currentValue){
+  return ticketPriceTotal = accumulator + currentValue.donation;
+},0);
 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 create and then solve 3 unique problems using one or many of the array methods listed above.
 
 // Problem 1
+// You want to know how many attendees are from x company
+let attendees = [];
+
+runners.filter(function(items){
+  return attendees.push(`${items.company_name}`);
+});
+
+let attendeesSorted = attendees.sort();
+
+console.log(attendeesSorted);
 
 // Problem 2
+// Need to put each runner into alphabetical order by last name
+let runnerNames = [];
+
+for (let i=0; i < runners.length; i++) {
+  runnerNames.push(runners[i].last_name);
+}
+
+let runnerNamesSorted = runnerNames.sort();
+
+console.log(runnerNamesSorted);
+
+// Problem 3
+// You need to find the email address for each runner
+let email = [];
+
+runners.filter(function(items){
+  return email.push(`${items.email}`);
+});
 
-// Problem 3
+console.log(email);
diff --git a/assignments/callbacks.js b/assignments/callbacks.js
@@ -38,27 +38,59 @@ const items = ['Pencil', 'Notebook', 'yo-yo', 'Gum'];
   console.log(test2); // "this Pencil is worth a million dollars!"
 */
 
-
 function getLength(arr, cb) {
+  return cb(arr.length);
   // getLength passes the length of the array into the callback.
 }
 
+let len2 = function(len) {
+  return len;
+}
+
+console.log(getLength(items, len2));
+
 function last(arr, cb) {
+  return cb(arr[arr.length - 1]);
   // last passes the last item of the array into the callback.
-}
+} 
+
+console.log(last(items, function(item) {
+  return items[item.length];
+}))
+
 
 function sumNums(x, y, cb) {
   // sumNums adds two numbers (x, y) and passes the result to the callback.
+  return cb(add);
 }
 
+const add = (x, y) => x + y; 
+
+console.log(add(2,3));
+
 function multiplyNums(x, y, cb) {
   // multiplyNums multiplies two numbers and passes the result to the callback.
+  return cb(multiply);
 }
 
+const multiply = (x, y) => x * y; 
+
+console.log(multiply(2,3));
+
 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.
+  const note = list.includes(item)
+  // return cb(list.includes(item));
+  if(note) {
+    return cb (true);
+  } else {
+    return cb (false);
+  }
 }
+console.log (contains("Notebook", items, function(item) {
+  return item;
+}));
 
 /* STRETCH PROBLEM */
 

diff --git a/assignments/closure.js b/assignments/closure.js
@@ -4,7 +4,26 @@
 // that manipulates variables defined in the outer scope.
 // The outer scope can be a parent function, or the top level of the script.
 
+function genres(genresName) {
+  const genre = 'Fantasy';
+  const genre2 = 'Horror';
+  console.log(`My favorite ${genresName} to write include ${genre} and ${genre2}.`);
 
+  function books(booksName) {
+    const book = 'Lord of the Rings';
+    const book2 = 'The Walking Dead';
+    console.log(`${booksName} that inspire me to write include ${book} and ${book2}.`);
+
+    function chapters(chaptersName) {
+      const chaptertotal = 62;
+      const chaptertotal2 = 193;
+      console.log(`The ${chaptersName} count for Lord of the Rings is ${chaptertotal} and the chapter/issue count for The Walking Dead is ${chaptertotal2}.`);
+    } 
+    chapters('chapter');
+  } 
+  books('Books');
+} 
+genres('genres');
 /* STRETCH PROBLEMS, Do not attempt until you have completed all previous tasks for today's project files */