Noah Amar [JavaScript-II Assignments]

README.md

@@ -1,5 +1,5 @@
 # JavaScript - II
-With some basic JavaScript principles we can now expand our skills out even further by exploring array methods like:  `.forEach()`, `.map()`, `.reduce()`, and `.filter()`. We can also look at how closures have a large impact on how we write JavaScript.    
+With some basic JavaScript principles we can now expand our skills out even further by exploring array methods like:  `.forEach()`, `.map()`, `.reduce()`, and `.filter()`. We can also look at how closures have a large impact on how we write JavaScript.   
 
 ## Assignment Description
 

assignments/callbacks.js

@@ -2,10 +2,12 @@ const items = ['Pencil', 'Notebook', 'yo-yo', 'Gum'];
 
 function firstItem(arr, cb) {
   // firstItem passes the first item of the given array to the callback function.
+  return callback(arr);
 }
 
 function getLength(arr, cb) {
   // getLength passes the length of the array into the callback.
+  return callback arr.length()(cb);
 }
 
 function last(arr, cb) {
@@ -14,15 +16,18 @@ function last(arr, cb) {
 
 function sumNums(x, y, cb) {
   // sumNums adds two numbers (x, y) and passes the result to the callback.
+  return cb(x+y);
 }
 
 function multiplyNums(x, y, cb) {
   // multiplyNums multiplies two numbers and passes the result to the callback.
+  return cb(x*y);
 }
 
 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.
+
 }
 
 /* STRETCH PROBLEM */

assignments/function-conversion.js

@@ -1,23 +1,33 @@
 // Take the commented ES5 syntax and convert it to ES6 arrow Syntax
 
 // let myFunction = function () {};
+let myFunction= () => {return "no params"};
+myFunction();
 
 // let anotherFunction = function (param) {
 //   return param;
 // };
+let anotherFunction= (param) => {return param};
+anotherFunction(1);
 
 // 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;
-};
-subtract(1,2); //?
+// let subtract = function (param1, param2) {
+//  return param1 - param2;
+// };
+// subtract(1,2); 
+let subtract= (param1,param2) => {return param1-param2};
+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(function, (num)) => {return num*3};
+console.log(triple);