[skrudjmakdak]

function one (array, fn) {
	for (var i = 0, ln = array.length; i < ln; ++i) {
		fn(array[i], i, array);
	}
}

one ([1, 2, 3], function (el, i, ar) {
	console.log(el);
	console.log(i);
	console.log(ar);
});