bloominstituteoftechnology · samarv · Apr 17, 2018 · Apr 17, 2018 · Apr 17, 2018
diff --git a/assignments/array-methods.js b/assignments/array-methods.js
@@ -56,28 +56,64 @@ 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(element) {
+    fullName.push(`${element.first_name} ${element.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 = [];
+allCaps = runners.map(element => element.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(element => element.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 = [];
-console.log(ticketPriceTotal);
+
+ticketPriceTotal = runners.reduce((theReducer, data) =>{
+    return theReducer += data.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 solve 3 unique problems using one or many of the array methods listed above.
 
 // Problem 1
 
+// Total donation amount of people with shirt size small:
+
+let smallShirts = [];
+smallShirts = runners.filter(element => element.shirt_size === "S");
+smallShirtsTotal = smallShirts.reduce((theReducer, data) =>{
+    return theReducer += data.donation;
+  }, 0)
+
+console.log(smallShirtsTotal);
+
 // Problem 2
+// Create array of email addresses of all donors who donated above average amounts:
+
+let avg = ticketPriceTotal / runners.length;
+
+let aboveAverage = [];
+aboveAverage = runners.filter(element => element.donation > avg);
+
+aboveAvgEmails = aboveAverage.map(element => element.email);
+
+console.log(aboveAvgEmails);
+
+
+// Problem 3
+// How many runners have a shirt size of XL?:
 
-// Problem 3
+let xlShirts = [];
+xlShirts = runners.filter(element => element.shirt_size === "XL");
+let sum = xlShirts.length;
+console.log(sum);
diff --git a/assignments/closure.js b/assignments/closure.js
@@ -1,19 +1,57 @@
 // ==== Challenge 1: Write your own closure ====
 // Write a simple closure of your own creation.  Keep it simple!
+const square = (x) => {
+  // Return a function that when invoked increments and returns a counter variable.
+  function squareinc(){
+    return x = x*x;
+  }
+  return squareinc;
+};
+const newSquare = square(5);
+console.log(newSquare())
+console.log(newSquare())
+console.log(newSquare())
+console.log(newSquare())
+console.log(newSquare())
+console.log(newSquare())
+console.log(newSquare())
+console.log(newSquare())
+console.log(newSquare())
+
+
+
 
 
 // ==== Challenge 2: Create a counter function ====
 const counter = () => {
   // Return a function that when invoked increments and returns a counter variable.
+  var cv = 0;
+  function counterinc(){
+    return cv++;
+  }
+  return counterinc;
 };
-// Example usage: const newCounter = counter();
-// newCounter(); // 1
-// newCounter(); // 2
+const newCounter = counter();
+console.log(newCounter())
+console.log(newCounter())
+console.log(newCounter())
+console.log(newCounter())
+console.log(newCounter())
+
 
 
 // ==== 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 cv =0;
+  return{
+    "increment":function increment(){
+      return cv++;
+    },
+    "decrement":function increment(){
+      return cv--;
+    } 
+  }
 };
diff --git a/assignments/function-conversion.js b/assignments/function-conversion.js
@@ -2,22 +2,37 @@
 
 // let myFunction = function () {};
 
+let myFunction = () => {};
+
 // let anotherFunction = function (param) {
 //   return param;
 // };
 
+let anotherFunction = (param) => param;
+
 // let add = function (param1, param2) {
 //   return param1 + param2;
 // };
 // add(1,2);
 
+let add = (param1, param2) => param1 + param2;
+
+console.log(add(1,2));
+
 // let subtract = function (param1, param2) {
 //   return param1 + param2;
 // };
 // subtract(1,2);
 
+let subtract = (param1, param2) => param1 - param2;
+console.log(subtract(1,2));
+
 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 => num *3 );
+
+console.log(triple);