SirHertzAlot · SirHertzAlot · Sep 19, 2019
diff --git a/assignments/array-methods.js b/assignments/array-methods.js
@@ -58,23 +58,59 @@ 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(first){
+
+  fullNames.push(first.first_name + ` ` + first.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 caps = runners.map(letsCap);
+
+function letsCap(upper) {
+
+  return upper.first_name.charAt(0).toUpperCase() + upper.first_name.slice(1);
+
+}
+
+firstNamesAllCaps.push(caps);
+
 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 sizeLarge = runners.filter(function (runners) {
+  return runners.shirt_size === "L";
+});
+
+runnersLargeSizeShirt.push(sizeLarge);
+
 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;
-console.log(ticketPriceTotal);
+let ticketPriceTotal = [];
+
+const calc = (acc, donate) => {
+ return acc + donate;
+}
+
+runners.forEach(function(object){
+    ticketPriceTotal.push(object.donation)
+});
+
+ticketTotal = ticketPriceTotal.reduce(calc);
 
+console.log(ticketTotal);
 // ==== 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.
 

diff --git a/assignments/callbacks.js b/assignments/callbacks.js
@@ -2,6 +2,7 @@
 
 const items = ['Pencil', 'Notebook', 'yo-yo', 'Gum'];
 
+
 /* 
 
   // GIVEN THIS PROBLEM:
@@ -38,28 +39,79 @@ const items = ['Pencil', 'Notebook', 'yo-yo', 'Gum'];
   console.log(test2); // "this Pencil is worth a million dollars!"
 */
 
+// getLength solution
+
+l = () => {
+  return items.length;
+}
+
+function getLength(items, callback) {
 
-function getLength(arr, cb) {
+  return callback(items);
   // getLength passes the length of the array into the callback.
 }
 
-function last(arr, cb) {
+console.log(getLength(items, l));
+
+// last time in array(hardcode) solution
+
+a = () => {
+  return items[3];
+}
+
+function last(items, cb) {
+
+  return cb(items, a);
   // last passes the last item of the array into the callback.
 }
 
-function sumNums(x, y, cb) {
+console.log(last(items, a));
+
+// sumNums solution
+
+sum = (x,y) => {
+  return x + y
+}
+
+sumNums = (x, y, cb) => {
+
+  return cb(x,y)
   // sumNums adds two numbers (x, y) and passes the result to the callback.
 }
 
+console.log(sumNums(1,2,sum));
+
+// Multiply Solution
+
+multiply = (x, y) => {
+  return x * y
+}
+
 function multiplyNums(x, y, cb) {
+
+  return cb(x, y)
   // multiplyNums multiplies two numbers and passes the result to the callback.
 }
 
+console.log(multiplyNums(1,2, multiply))
+
+// Checks solution
+
+let check = () =>{
+ if (items.includes("Gum" === true)){
+  return true;
+ } else {
+   return false;
+ }
+}
+
 function contains(item, list, cb) {
+
+  return cb(item, list)
   // contains checks if an item is present inside of the given array/list.
   // Pass true to the callback if it is, otherwise pass false.
 }
-
+console.log(contains("Gum",items, check))
 /* STRETCH PROBLEM */
 
 function removeDuplicates(array, cb) {

diff --git a/assignments/closure.js b/assignments/closure.js
@@ -4,12 +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 car(fast) {
+  console.log(`My favorite car is a ${fast}`);
 
+  function hp(alot){
+    console.log(`This car has ${alot} horsepower.`)
+  }
+  hp('755');
+}
+car('Corvette Stringray ZR1');
+
+car();
 /* STRETCH PROBLEMS, Do not attempt until you have completed all previous tasks for today's project files */
 
 
 // ==== Challenge 2: Implement a "counter maker" function ====
 const counterMaker = () => {
+  const count = [];
+  const counter = () => {
+    counter.push(count);
+  }
   // IMPLEMENTATION OF counterMaker:
   // 1- Declare a `count` variable with a value of 0. We will be mutating it, so declare it using `let`!
   // 2- Declare a function `counter`. It should increment and return `count`.