HigherOrder from codewars

gistfile1.txt

https://www.codewars.com/kata/coding-meetup-number-2-higher-order-functions-series-greet-developers 

*/

You will be given an array of objects (associative arrays in PHP) representing data about developers who have signed up to attend the next coding meetup that you are organising.

Your task is to return an array where each object will have a new property 'greeting' with the following string value:

Hi < firstName here >, what do you like the most about < language here >?

var list1 = [
  { firstName: 'Sofia', lastName: 'I.', country: 'Argentina', continent: 'Americas', age: 35, language: 'Java' },
  { firstName: 'Lukas', lastName: 'X.', country: 'Croatia', continent: 'Europe', age: 35, language: 'Python' },
  { firstName: 'Madison', lastName: 'U.', country: 'United States', continent: 'Americas', age: 32, language: 'Ruby' } 
];

/

function HigherOrder()
 arg: 1 
 * an array of contact info objects:
 	- firstName : string
 	- language : string
 	- lastName: string
 	- country: string
 	- continent: string
 	- age: number
 	- language: string
 * return : new array with old objects and new property calls 'greeting'
	- Greeting: string
	- firstName : string
 	- language : string
 	- lastName: string
 	- country: string
 	- continent: string
 	- age: number
 	- language: string
 * behavior: this function HigherOrder takes <firstName> and <language> to create 
 new property calls greeting


*/