iterateObjectDeeply, no recurstion

gistfile1.js

var iterateObjectDeeply = function(obj, fn) {
	var full_tree_array = [obj];
	while (full_tree_array.length) {
		var cur = full_tree_array.shift();
		for (var a in cur){
			fn(cur, a);
			if (cur[a] && typeof cur[a] == 'object'){
				full_tree_array.push(obj[prop_name])
			}
		}
	}
	return obj;
};