[ksa]

Как вариант...

function reversePrint (linkedList) {
	if (linkedList.next) {
		reversePrint(linkedList.next)
	}
	alert(linkedList.value)
}
var someList = {
	value: 1,
	next: {
		value: 2,
		next: {
			value: 3,
			next: {
				value: 4,
				next: null
			}
		}
	}
};
reversePrint(someList);