October 2014
Intermediate to advanced
218 pages
4h 38m
English
Content preview from Learning JavaScript Data Structures and Algorithms
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Doubly linked lists
There are some different types of linked lists. In this section, we are going to cover the doubly linked list. The difference between a doubly linked list and a normal linked list is that in the linked list we make the link from one node to the next one only. In the doubly linked list, we have a double link: one for the next element and one for the previous element, as shown in the following diagram:
Let's get started with the changes that are needed to implement the DoublyLinkedList class:
function DoublyLinkedList() { var Node = function(element){ this.element = element; this.next = null; this.prev = null; //NEW }; var length ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.