add first callback

Poly-G · Poly-G · commit 0f2c5fd2c9dd · 2019-01-22T11:30:52.000-05:00
diff --git a/assignments/callbacks.js b/assignments/callbacks.js
@@ -24,8 +24,13 @@ const items = ['Pencil', 'Notebook', 'yo-yo', 'Gum'];
 
 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)
+});
+
 function last(arr, cb) {
   // last passes the last item of the array into the callback.
 }

Original file line number	Diff line number	Diff line change
`@@ -24,8 +24,13 @@ const items = ['Pencil', 'Notebook', 'yo-yo', 'Gum'];`
`24`	`24`
`25`	`25`	`function getLength(arr, cb) {`
`26`	`26`	`// getLength passes the length of the array into the callback.`
	`27`	`+ return cb(arr.length);`
`27`	`28`	`}`
`28`	`29`
	`30`	`+getLength(items, function(length){`
	`31`	`+ console.log(length)`
	`32`	`+});`
	`33`	`+`
`29`	`34`	`function last(arr, cb) {`
`30`	`35`	`// last passes the last item of the array into the callback.`
`31`	`36`	`}`