Merge pull request #1 from daniela1362/daniela-arias-ordonez

A-Powell · web-flow · commit 333792dd3a42 · 2019-06-12T12:00:40.000-04:00
Commit new changes
diff --git a/assignments/callbacks.js b/assignments/callbacks.js
@@ -26,22 +26,32 @@ const items = ['Pencil', 'Notebook', 'yo-yo', 'Gum'];
 
 
 function getLength(arr, cb) {
-  // getLength passes the length of the array into the callback.
+  cb(arr.length);
 }
 
+getLength(items,function (first){
+  console.log(length)
+});
+
 function last(arr, cb) {
-  // last passes the last item of the array into the callback.
+  return cb(arr[arr.length-1])// last passes the last item of the array into the callback.
 }
+last(items,function(lastitem){
+  console.log(lastitem)
+});
 
 function sumNums(x, y, cb) {
+  return cb([x+y])
   // sumNums adds two numbers (x, y) and passes the result to the callback.
 }
 
 function multiplyNums(x, y, cb) {
+  return cb([x*y])
   // multiplyNums multiplies two numbers and passes the result to the callback.
 }
 
 function contains(item, list, cb) {
+  cb(list.includes(item))
   // contains checks if an item is present inside of the given array/list.
   // Pass true to the callback if it is, otherwise pass false.
 }

Original file line number	Diff line number	Diff line change
`@@ -26,22 +26,32 @@ const items = ['Pencil', 'Notebook', 'yo-yo', 'Gum'];`
`26`	`26`
`27`	`27`
`28`	`28`	`function getLength(arr, cb) {`
`29`		`- // getLength passes the length of the array into the callback.`
	`29`	`+ cb(arr.length);`
`30`	`30`	`}`
`31`	`31`
	`32`	`+getLength(items,function (first){`
	`33`	`+ console.log(length)`
	`34`	`+});`
	`35`	`+`
`32`	`36`	`function last(arr, cb) {`
`33`		`- // last passes the last item of the array into the callback.`
	`37`	`+ return cb(arr[arr.length-1])// last passes the last item of the array into the callback.`
`34`	`38`	`}`
	`39`	`+last(items,function(lastitem){`
	`40`	`+ console.log(lastitem)`
	`41`	`+});`
`35`	`42`
`36`	`43`	`function sumNums(x, y, cb) {`
	`44`	`+ return cb([x+y])`
`37`	`45`	`// sumNums adds two numbers (x, y) and passes the result to the callback.`
`38`	`46`	`}`
`39`	`47`
`40`	`48`	`function multiplyNums(x, y, cb) {`
	`49`	`+ return cb([x*y])`
`41`	`50`	`// multiplyNums multiplies two numbers and passes the result to the callback.`
`42`	`51`	`}`
`43`	`52`
`44`	`53`	`function contains(item, list, cb) {`
	`54`	`+ cb(list.includes(item))`
`45`	`55`	`// contains checks if an item is present inside of the given array/list.`
`46`	`56`	`// Pass true to the callback if it is, otherwise pass false.`
`47`	`57`	`}`