primelos · primelos · Aug 20, 2019 · Aug 20, 2019 · Aug 20, 2019 · Aug 20, 2019
diff --git a/assignments/array-methods.js b/assignments/array-methods.js
@@ -1,4 +1,5 @@
-// A local community center is holding a fund raising 5k fun run and has invited 50 small businesses to make a small donation on their behalf for some much needed updates to their facilities.  Each business has assigned a representative to attend the event along with a small donation.
+// A local community center is holding a fund raising 5k fun run and has invited 50 small businesses to make a small donation on their behalf for 
+//some much needed updates to their facilities.  Each business has assigned a representative to attend the event along with a small donation.
 
 // Scroll to the bottom of the list to use some advanced array methods to help the event director gather some information from the businesses.
 
@@ -56,30 +57,66 @@ 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.
+// 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 (namePull => {
+  return fullNames.push(`${namePull.first_name} ${namePull.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.
+// 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 = [];
+firstNamesAllCaps = runners.map(u =>(u.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.
+// 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 = [];
+runnersLargeSizeShirt = runners.filter(size => size.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;
-console.log(ticketPriceTotal);
+// 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.
+
+
+
+
+const ticketPriceTotal = runners.reduce(function (accumulator, currentValue) {
+  return 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.
+// 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
+// Anyone that donated 200 or more will receieve a free hat.
+const freeHat = runners.filter(function (donate){
+  return donate.donation >= 200
+})
+console.log(freeHat)
+
 
 // Problem 2
+// A investor wants to donate $200 on any donation of $200 or more
+const donDouble = freeHat.map(function (double){
+  return double.donation + 200 
+})
+console.log(donDouble)
+// Problem 3
 
-// Problem 3
+const donationTotal = donDouble.reduce(function (a, value){
+  return a + value;
+}, 0)
+ console.log(donationTotal);
+
diff --git a/assignments/callbacks.js b/assignments/callbacks.js
@@ -1,7 +1,11 @@
-// Create a higher order function and invoke the callback function to test your work. You have been provided an example of a problem and a solution to see how this works with our items array.  Study both the problem and the solution to figure out the rest of the problems.
+// Create a higher order function and invoke the callback function to test your 
+//work. You have been provided an example of a problem and a solution to see how 
+//this works with our items array.  Study both the problem and the solution to 
+//figure out the rest of the problems.
 
 const items = ['Pencil', 'Notebook', 'yo-yo', 'Gum'];
-
+
+console.log(items[items.length -1])
 /* 
 
   // GIVEN THIS PROBLEM:
@@ -12,8 +16,8 @@ const items = ['Pencil', 'Notebook', 'yo-yo', 'Gum'];
 
   // SOLUTION:
 
-  function firstItem(arr, cb) {
-    return cb(arr[0]);
+  //////////function firstItem(arr, cb) {
+    //////////return cb(arr[0]);
   }
 
   // NOTES ON THE SOLUTION:
@@ -41,19 +45,27 @@ const items = ['Pencil', 'Notebook', 'yo-yo', 'Gum'];
 
 function getLength(arr, cb) {
   // getLength passes the length of the array into the callback.
+  return cb(arr.length)
 }
+getLength( items, l => console.log(`my length is ${l}`))
 
 function last(arr, cb) {
   // last passes the last item of the array into the callback.
+  return cb(arr[arr.length -1])
 }
+last(items, lItem => console.log(`last in the array is ${lItem}`))
 
 function sumNums(x, y, cb) {
   // sumNums adds two numbers (x, y) and passes the result to the callback.
+  return cb(x + y)
 }
+sumNums(2,6, sum => console.log(`${sum}`))
 
 function multiplyNums(x, y, cb) {
   // multiplyNums multiplies two numbers and passes the result to the callback.
+  return cb(x * y)
 }
+multiplyNums(3,9, product => console.log(`${product}`))
 
 function contains(item, list, cb) {
   // contains checks if an item is present inside of the given array/list.
@@ -66,4 +78,5 @@ function removeDuplicates(array, cb) {
   // removeDuplicates removes all duplicate values from the given array.
   // Pass the duplicate free array to the callback function.
   // Do not mutate the original array.
+
 }
diff --git a/assignments/closure.js b/assignments/closure.js
@@ -4,6 +4,15 @@
 // that manipulates variables defined in the outer scope.
 // The outer scope can be a parent function, or the top level of the script.
 
+function outerFunc(){
+  let searchEngine  = "google";
+
+  return function(){
+    console.log (`just ${searchEngine} it`)
+  }
+}
+var say = outerFunc();
+say();
 
 /* STRETCH PROBLEMS, Do not attempt until you have completed all previous tasks for today's project files */