CDE

Task/Doubly-linked-list-Traversal/JavaScript/doubly-linked-list-traversal.js

@@ -0,0 +1,17 @@
+DoublyLinkedList.prototype.getTail = function() {
+    var tail;
+    this.traverse(function(node){tail = node;});
+    return tail;
+}
+DoublyLinkedList.prototype.traverseBackward = function(func) {
+    func(this);
+    if (this.prev() != null)
+        this.prev().traverseBackward(func);
+}
+DoublyLinkedList.prototype.printBackward = function() {
+    this.traverseBackward( function(node) {print(node.value())} );
+}
+
+var head = createDoublyLinkedListFromArray([10,20,30,40]);
+head.print();
+head.getTail().printBackward();