codemilli · March 5, 2017 07:25
diff --git a/functor-01.js b/functor-01.js
 var arr    = [ 1, 2, 3, 4 ];
 var newArr = arr.map(x => x * 10);

 console.log('arr => ', arr);
 console.log('newArr => ', newArr);
	var arr = [ 1, 2, 3, 4 ];
	var newArr = arr.map(x => x * 10);

	console.log('arr => ', arr);
	console.log('newArr => ', newArr);