Created
August 30, 2018 05:07
-
-
Save nimatrazmjo/b79feb69f9fe75968b30e28210ffec59 to your computer and use it in GitHub Desktop.
An array of objects in JavaScript. Each one contains a name (a string) and ranking (a number). Write two functions, one to return the objects ordered by ranking and another to return the average ranking
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| var arr = [ | |
| { | |
| "name": "BBC TV", | |
| "ranking": 2 | |
| }, | |
| { | |
| "name": "CNN TV", | |
| "ranking": 1, | |
| }, | |
| { | |
| "name": "HBO TV", | |
| "ranking": 4 | |
| }, | |
| { | |
| "name": "SPORTS TV", | |
| "ranking": 3 | |
| } | |
| ]; | |
| var sortedObjects = () => { | |
| const sortedArray = arr.sort((ab,b) => ab.ranking - b.ranking); | |
| console.log('Sorted by Ranking : ', sortedArray); | |
| } | |
| var Averag = () => { | |
| const average = arr.reduce((sum, index)=> sum + index.ranking,0); | |
| console.log('Average is :', average/arr.length); | |
| } | |
| sortedObjects(); | |
| Averag(); |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment