CrackedPixel · CrackedPixel · Jun 11, 2019 · Jun 11, 2019 · Jun 11, 2019 · Jun 11, 2019
diff --git a/assignments/array-methods.js b/assignments/array-methods.js
@@ -56,28 +56,61 @@ const runners = [{"id":1,"first_name":"Charmain","last_name":"Seiler","email":"c
 // ==== 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. 
 let fullName = [];
+//runners.map(runnerID => fullName.push(runnerID.first_name + ' ' + runnerID.last_name));
+runners.forEach(function(runnerID){
+    fullName.push(runnerID.first_name + " " + runnerID.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 = [];
+runners.map(runnerID => allCaps.push(runnerID.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 = [];
+largeShirts = runners.filter(runnerID => runnerID.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 = [];
+ticketPriceTotal = runners.reduce((priceCounter, runnerID, currentIndexNum, runners) => {
+    return priceCounter += runnerID.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 all runners from Mycat using .filter
+let MycatRunners = [];
+MycatRunners = runners.filter(runnerID => runnerID.company_name === "Mycat");
+console.log("Mycat runners", MycatRunners);
+
 
 // Problem 2
+//Find all edu emails
+let studentEmails = [];
+runners.forEach(function(runnerID) {
+    if (runnerID.email.includes(".edu")){
+        studentEmails.push(runnerID);
+    }
+});
+console.log("Students", studentEmails);
+
+// Problem 3
+//Find all possible relatives
+let relatedTo = [];
+runners.forEach(function(runnerID) {
+    let searchResults = runners.filter(runnerID2 => runnerID.last_name === runnerID2.last_name && runnerID.first_name !== runnerID2.first_name);
+    if (searchResults.length > 0) relatedTo.push(searchResults);
+});
 
-// Problem 3
+console.log("######################");
+console.log("######################");
+console.log("######################");
+console.log("Related", relatedTo);
diff --git a/assignments/callbacks.js b/assignments/callbacks.js
@@ -24,26 +24,29 @@ const items = ['Pencil', 'Notebook', 'yo-yo', 'Gum'];
 
 */
 
+function sameHOFunction(consoleLogThis){
+  console.log(consoleLogThis);
+}
 
-function getLength(arr, cb) {
-  // getLength passes the length of the array into the callback.
+function getLength(arr, cb) { // getLength passes the length of the array into the callback.
+  cb(arr.getLength);
 }
 
-function last(arr, cb) {
-  // last passes the last item of the array into the callback.
+function last(arr, cb) { // last passes the last item of the array into the callback.
+  cb(arr[arr.length-1]);
 }
 
-function sumNums(x, y, cb) {
-  // sumNums adds two numbers (x, y) and passes the result to the callback.
+function sumNums(x, y, cb) { // sumNums adds two numbers (x, y) and passes the result to the callback.
+  cb(x+y);
 }
 
-function multiplyNums(x, y, cb) {
-  // multiplyNums multiplies two numbers and passes the result to the callback.
+function multiplyNums(x, y, cb) { // multiplyNums multiplies two numbers and passes the result to the callback.
+  cb(x*y);
 }
 
-function contains(item, list, cb) {
-  // contains checks if an item is present inside of the given array/list.
+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.
+  cb(list.includes(item));
 }
 
 /* STRETCH PROBLEM */
@@ -53,3 +56,26 @@ function removeDuplicates(array, cb) {
   // Pass the duplicate free array to the callback function.
   // Do not mutate the original array.
 }
+
+
+
+```js
+function sameHOFunction(consoleLogThis){
+  console.log(consoleLogThis);
+}
+function getLength(arr, cb) { 
+  cb(arr.getLength);
+}
+getLength(items, sameHOFunction);
+```
+
+
+
+```js
+function getLength(arr, cb) { 
+  cb(arr.getLength);
+}
+getLength(items, function(param){
+  console.log(param);
+});
+```
diff --git a/assignments/closure.js b/assignments/closure.js
@@ -1,21 +1,94 @@
 // ==== Challenge 1: Write your own closure ====
 // Write a simple closure of your own creation.  Keep it simple!
+console.log("##############################")
+console.log("########   Task 1    #########")
+console.log("##############################")
+const otherFactory = () => {
+  let numWorkers = 0;
+  return () => {
+    numWorkers++;
+    console.log(numWorkers);
+    return numWorkers;
+  }
+}
 
+const newFactory = otherFactory();
+newFactory();
+newFactory();
+newFactory();
 
 /* STRETCH PROBLEMS, Do not attempt until you have completed all previous tasks for today's project files */
 
-
+console.log("##############################")
+console.log("########   Task 2    #########")
+console.log("##############################")
 // ==== Challenge 2: Create a counter function ====
 const counter = () => {
   // Return a function that when invoked increments and returns a counter variable.
+  let initVal = 0;
+  return () => {
+    initVal++;
+    console.log(initVal);
+    return initVal;
+  }
 };
+
+const newCounter = counter();
+newCounter();
+newCounter();
+
 // Example usage: const newCounter = counter();
 // newCounter(); // 1
 // newCounter(); // 2
 
+console.log("##############################")
+console.log("########   Task 3    #########")
+console.log("##############################")
+
 // ==== Challenge 3: Create a counter function with an object that can increment and decrement ====
 const counterFactory = () => {
   // Return an object that has two methods called `increment` and `decrement`.
   // `increment` should increment a counter variable in closure scope and return it.
   // `decrement` should decrement the counter variable and return it.
+  let initVal = 0;
+  return {
+    increment: () => {
+      initVal++;
+      console.log(initVal);
+      return initVal;
+    },
+    decrement: () => {
+      initVal--;
+      console.log(initVal);
+      return initVal;
+    }
+  }
 };
+
+const newCounterFactory = counterFactory();
+newCounterFactory.increment();
+newCounterFactory.increment();
+newCounterFactory.increment();
+newCounterFactory.increment();
+newCounterFactory.increment();
+newCounterFactory.decrement();
+newCounterFactory.decrement();
+newCounterFactory.decrement();
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