How To Implement A Linked List In JavaScript



If you are learning data structure, a linked list is one topic you definitely can't miss on! 

A linked list is one of the most common types of data structures used by programmers. However, knowing this concept is not enough to resolve painter's partition problems.

You must learn how to apply the concepts of linked lists, especially how to remove loop in linked list in various programming languages.

One of the highly demanded languages nowadays is JavaScript. Therefore, you should know how to implement the linked lists in JavaScript. 

Hence, if you are looking for a guide that will help you in implementing linked lists in JavaScript, your search ends here.

 Make sure you pay attention to the details of each step in the procedure to implement linked lists in JavaScript without any errors.

 

But, before implementing you should have the knowledge about the type of linked list. There are three main types of linked lists available in programming.

Let’s discuss them in detail.

 

Types Of Linked List

As mentioned above, you will find three major types of linked lists in programming. Following are the types of linked lists:

  • Single: In various linked lists, the data nodes have only one attachment i.e. pointer attached to it on either end of the node. In this, each node only has the pointer to the next node and the tail is missing. Since only one end is attached or pointed, this type is known as a singly linked list.  
  • Double: In a doubly linked list, each node has two attachments i.e. tail and pointer. In this type of linked list, each node is connected to the next node as well as the node placed previous to it in the lists.
  • Circular: As the name suggests, in this type of linked list, each node pointer is directed from the tail of the other node. This generates a circular formation of nodes and hence, a linked list is called a circular linked list.

After determining the type of linked list you wish to implement, the next step is to implement them through functions. All the functions and operations are elaborated on in the upcoming section to make this process easier and more convenient for you.

 

Steps To Implement A Linked List In JavaScript

 

Once you decide what type of linked list you wish to implement, you will have to follow a specific set of instructions to implement it in JavaScript. The process includes some specific steps and functions that you need to learn.

Learning these steps will also help you to remove loop in linked list and resolve the painter's partition problem.

Following are the steps to implement the chosen linked list in JavaScript:

 

Step 1: Create A Specific Function For Creating A New Node

Initially, you will have to generate a function through which you can create a new node object for your linked list.

This function will return an object and can be called in various parts of the code as per requirements.

Whenever you want to create a node in the linked list, all you need to do is call this function and pass the data as its argument.


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