A Pen by Mykhas' Kobernyk.

Recursive-iterator.markdown

Recursive iterator

A Pen by Mykhas' Kobernyk on CodePen.

License.

script.js

var iterate = function(start, finish, step){
	var upIterate = function(start, finish, step){
		(start <= finish) && console.log(start);
		(start < finish) && upIterate(start+step, finish, step);
	}
	var downIterate = function(start, finish, step){
		(start >= finish) && console.log(start);
		(start > finish) && downIterate(start+step, finish, step);
	}
	console.log('in @iterate');

	(step > 0) && upIterate(start, finish, step);
	(step < 0) && downIterate(start, finish, step);
}

iterate(0, -5, -1);