bloominstituteoftechnology · Bryan-GF · Sep 11, 2018 · Sep 11, 2018 · Sep 11, 2018
diff --git a/assignments/array-methods.js b/assignments/array-methods.js
@@ -54,30 +54,46 @@ const runners = [{"id":1,"first_name":"Charmain","last_name":"Seiler","email":"c
 {"id":50,"first_name":"Shell","last_name":"Baine","email":"[email protected]","shirt_size":"M","company_name":"Gabtype","donation":171}];
 
 // ==== 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. 
+// 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.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 = [];
+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((total, runner) => {
+    return total += runner.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
+//Find how much was made from donations under $20.
+let smallDonations = runners.filter(runner => runner.donation  < 20).reduce((total, runner) => {
+    return total += runner.donation;
+}, 0);
+console.log(smallDonations);
 
 // Problem 2
+//Find all runners part of a company that start with an A.
+let aCompany = runners.filter(runner => runner.company_name.toLowerCase().startsWith('a'));
+console.log(aCompany);
 
-// Problem 3
+// Problem 3
+//Find information about the last 10 runners.
+   let ten = runners.filter(runner => runner.id > runners.length - 10)
diff --git a/assignments/callbacks.js b/assignments/callbacks.js
@@ -23,26 +23,52 @@ const items = ['Pencil', 'Notebook', 'yo-yo', 'Gum'];
 
 
 function getLength(arr, cb) {
+  return cb(arr.length);
   // getLength passes the length of the array into the callback.
 }
 
+getLength(items, function(length) {
+  console.log(length);
+});
+
 function last(arr, cb) {
+  return cb(arr[arr.length -1]);
   // last passes the last item of the array into the callback.
 }
 
+last(items, function(last) {
+  console.log(last);
+})
+
 function sumNums(x, y, cb) {
+  return cb (x + y);
   // sumNums adds two numbers (x, y) and passes the result to the callback.
 }
 
+sumNums(3, 4, function(added) {
+  console.log(added);
+})
+
 function multiplyNums(x, y, cb) {
+  return cb(x * y);
   // multiplyNums multiplies two numbers and passes the result to the callback.
 }
 
+multiplyNums(3, 4, function(multiplied) {
+  console.log(multiplied);
+})
+
+
 function contains(item, list, cb) {
+  return cb(list.includes(item));
   // contains checks if an item is present inside of the given array/list.
   // Pass true to the callback if it is, otherwise pass false.
 }
 
+contains('Pyeet', items, function(have) {
+  console.log(have);
+})
+
 /* STRETCH PROBLEM */
 
 function removeDuplicates(array, cb) {

diff --git a/assignments/closure.js b/assignments/closure.js
@@ -1,9 +1,22 @@
 // ==== Challenge 1: Write your own closure ====
 // Write a simple closure of your own creation.  Keep it simple!
-
+const closure = () => {
+  const name = 'Yeet';
+  const rename = () => {
+    let oldName = 'teeY';
+    oldName = name;
+    console.log(oldName);
+  }
+  rename();
+}
 
 // ==== Challenge 2: Create a counter function ====
 const counter = () => {
+  let num = 1;
+  const count = () => {
+    return num++;
+  }
+  return count;
   // Return a function that when invoked increments and returns a counter variable.
 };
 // Example usage: const newCounter = counter();