Dante O. Cuales, Jr.

assignments/array-methods.js

@@ -55,22 +55,46 @@ 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.forEach(function(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 = [];
-console.log(allCaps); 
+
+const allCapitalLetters = runners.map((item, index, array) => {
+  allCaps.push(item.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 = [];
+
+const result = runners.filter((item) => {
+ if (item.shirt_size === "L") {
+   largeShirts.push(item);
+ }
+});
+
 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((donation, runner, index, runners) => {
+  return donation += runner.donation;
+}, 0);
+
 console.log(ticketPriceTotal);
 
 // ==== Challenge 5: Be Creative ====

assignments/closure.js

@@ -1,19 +1,62 @@
 // ==== Challenge 1: Write your own closure ====
 // Write a simple closure of your own creation.  Keep it simple!
 
+function parentFunction() {
+  let myValue = 'Dante';
+  console.log('Parent: ' + myValue);
+
+  function childFunction() {
+    console.log('Child: ' + myValue);
+
+      function grandchildFunction() {
+        console.log('Grandchild: ' + myValue);
+        let grandchild = 'Yo, what up!';
+      } 
+
+      return grandchildFunction();
+  }
+
+  return childFunction();
+}
+
+parentFunction();
 
 // ==== Challenge 2: Create a counter function ====
-const counter = () => {
+
   // Return a function that when invoked increments and returns a counter variable.
-};
+  
 // Example usage: const newCounter = counter();
 // newCounter(); // 1
 // newCounter(); // 2
 
+const counter = () => {
+  let count = 0;
+  return () => {
+    count++;
+    return count;
+  }
+}
+
+const myCounter2 = counter();
+
+console.log(myCounter2());
+console.log(myCounter2());
+console.log(myCounter2());
+console.log(myCounter2());
+console.log(myCounter2());
+
+const myCounter = counter();
+console.log(myCounter());
+console.log(myCounter());
+console.log(myCounter());
+console.log(myCounter());
+console.log(myCounter());
+console.log(myCounter());
 
 // ==== 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.
 };
+

assignments/function-conversion.js

@@ -2,22 +2,49 @@
 
 // let myFunction = function () {};
 
+let myFunction = () => {
+
+};
+
 // let anotherFunction = function (param) {
 //   return param;
 // };
 
+let anotherFunction = (param) => {
+    return param;
+};
+
 // let add = function (param1, param2) {
 //   return param1 + param2;
 // };
 // add(1,2);
 
+let add = (param1, param2) => {
+    return param1 + param2;
+};
+
+add(1, 2);
+
 // let subtract = function (param1, param2) {
-//   return param1 + param2;
+//   return param1 - param2;
 // };
 // subtract(1,2);
 
-exampleArray = [1,2,3,4];
+let subtract = (param1, param2) => {
+    return param1 - param2;
+};
+
+subtract(10, 5); 
+
+exampleArray = [1,2,3,4]; 
+
 // const triple = exampleArray.map(function (num) {
 //   return num * 3;
 // });
-// console.log(triple);
+// console.log(triple);
+
+const triple = exampleArray.map((num) => {
+    return num * 3;
+})
+
+console.log(triple);