Made progress but still having trouble on a few things

RockmanExe · RockmanExe · commit 9372352c88e3 · 2018-05-23T11:46:32.000-04:00
diff --git a/assignments/array-methods.js b/assignments/array-methods.js
@@ -56,21 +56,36 @@ 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(i){
+fullName.push(i.first_name + " " + i.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((caps) =>{
+    caps.first_name
+})
 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 = [];
+runners.filter((shirts,) =>{
+shirts.shirt_size==='L';
+largeShirts.push(shirts.shirt_size);
+});
 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 = [];
+runners.reduce((theReducer,item) =>{
+    theReducer +=item.donation;
+    ticketPriceTotal.push(item.donation)
+}, 0);
 console.log(ticketPriceTotal);
 
 // ==== Challenge 5: Be Creative ====
diff --git a/assignments/callbacks.js b/assignments/callbacks.js
@@ -1,10 +1,13 @@
 const items = ['Pencil', 'Notebook', 'yo-yo', 'Gum'];
+let gru=function(param1, cb){
+  return cb(param1,param2);
+}
 
 function firstItem(arr, cb) {
   // firstItem passes the first item of the given array to the callback function.
 cb(arr[0]);
-console.log(cb(arr[0]));
 }
+console.log(items,cb)
 
 function getLength(arr, cb) {
   // getLength passes the length of the array into the callback.
diff --git a/assignments/function-conversion.js b/assignments/function-conversion.js
@@ -1,23 +1,31 @@
 // Take the commented ES5 syntax and convert it to ES6 arrow Syntax
 
 // let myFunction = function () {};
+ let noParams=() => {return;}
+ noParams();
 
 // let anotherFunction = function (param) {
 //   return param;
 // };
+let oneParam= param => {return param;}
+oneParam();
 
 // let add = function (param1, param2) {
 //   return param1 + param2;
 // };
 // add(1,2);
+let twoParams= (param1, param2) => param1 + param2;
+twoParams(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 subParams= (param1,param2) => param1 - param2;
+subParams(1,2);
 
 exampleArray = [1,2,3,4];
 // const triple = exampleArray.map(function (num) {
 //   return num * 3;
 // });
-// console.log(triple);
+// console.log(triple);
