questions 1 and 2 on callbacks, question 1 on arrays

camjmoore · camjmoore · commit c6608e2b04a7 · 2019-07-23T19:05:29.000-04:00
diff --git a/assignments/array-methods.js b/assignments/array-methods.js
@@ -54,9 +54,16 @@ const runners = [{"id":1,"first_name":"Charmain","last_name":"Seiler","email":"c
 {"id":50,"first_name":"Shell","last_name":"Baine","email":"sbaine1d@intel.com","shirt_size":"M","company_name":"Gabtype","donation":171}];
 
 // ==== 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. 
+// The event director nee ds 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 = [];
-console.log(fullName);
+
+function bibNames (runner){
+fullName.push(`${runner.first_name} ${runner.last_name}`)
+}
+
+runners.forEach(bibNames)
+
+// 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
diff --git a/assignments/callbacks.js b/assignments/callbacks.js
@@ -24,28 +24,44 @@ 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(getLength) {console.log(getLength)})
+
+
+// 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(last) {console.log(last)})
+
+
+// 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.
+  return cb()
 }
 
+sumNums()
+
+// multiplyNums multiplies two numbers and passes the result to the callback.
 function multiplyNums(x, y, cb) {
-  // multiplyNums multiplies two numbers and passes the result to the callback.
+
+
 }
 
+// contains checks if an item is present inside of the given array/list.
+// Pass true to the callback if it is, otherwise pass false.
 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.
+
 }
 
+
+// .includes
+
 /* STRETCH PROBLEM */
 
 function removeDuplicates(array, cb) {
