A fancy deletion

redemption.js

function makeList(n){
	var head = {'i':0};
	var prev = head;
	var current;

	for (var i = 1; i < n; i++) {
		current = {'i': i};
		prev.next = current;
		prev = current;
	};
	return head;
}


function printList(list){
	var node = list;
	while(node.next) {
		console.log(node.i);
		node = node.next;
	}
}


function deleteNode(list, predicate){
	var node = list;
	while(node.next) {
		if (predicate(node)){
			node.i = node.next.i;
			node.next = node.next.next;
			break;
		}
		node = node.next;
	}
}

var list = makeList(10);
deleteNode(list, function(node){return node.i === 5})
printList(list);