callback v1

silvodesigns · silvodesigns · commit 0951e9ec27e9 · 2019-04-25T15:50:49.000-04:00
diff --git a/assignments/callbacks.js b/assignments/callbacks.js
@@ -24,17 +24,28 @@ const items = ['Pencil', 'Notebook', 'yo-yo', 'Gum'];
 
 */
 
-
+/////////////////////////////////// getLength passes the length of the array into the callback.
 function getLength(arr, cb) {
-  // getLength passes the length of the array into the callback.
+  return cb(arr.length);
 }
 
+getLength(items, function(length){
+  console.log(length);
+});
+
+
+ ///////////////////////////////// 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.
+ 
+  return cb(arr[`${arr.length - 1}`]);
 }
+last(items,function(lastItemOfArray){
+  console.log(lastItemOfArray);
+});
 
+ ////////////////////////////////// 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.
+ 
 }
 
 function multiplyNums(x, y, cb) {
