JavaScript Linked List Coding Practice Problems

Linked Lists are one of the most fundamental data structures in JavaScript, allowing efficient insertion and deletion of elements at the beginning or end of a list. This curated list of JavaScript Linked List Coding Practice Problems will help you master linked list operations. Whether you're a beginner or an experienced developer, these problems will strengthen your linked list manipulation skills and problem-solving abilities.

Linked List Practice Problems

Easy

• Move Last Element to Front
• Print the Middle of a Linked List
• Detect Loop in a Linked List
• Find the Length of a Linked List
• Delete Middle Node of a Linked List
• Insert a Node in a Sorted Linked List
• Delete a Node in a Linked List
• Find Nth Node from End
• Reverse a Linked List
• Remove Duplicates from Sorted Linked List
• Intersection Point in Y-Shaped Linked Lists
• Swap Kth Node from the End
• Check if a Linked List is Circular
• Rotate a Linked List
• Delete Alternate Nodes in a Linked List
• Split a Linked List into Two Halves
• Pairwise Swap Nodes
• All Occurrences of a Given Key

Medium

• Intersection of Two Linked Lists
• Find Pair with Given Sum in Doubly Linked List
• Find the Starting Point of a Loop
• Rearrange Linked List in Place
• Reverse a Doubly Linked List
• Flatten Binary Tree to Linked List
• Merge K Sorted Linked Lists
• Segregate Even and Odd Nodes in Linked List

Hard

• Remove Every Kth Node in a Linked List
• Reverse Linked List in Groups
• Clone a Linked List with Next and Random Pointers
• Remove Loop in Linked List
• Merge Sort for Linked List
• QuickSort on Linked List
• LRU Cache Implementation using Linked List
• Convert Binary Tree to Doubly Linked List
• Delete N Nodes After M Nodes
• Merge Linked List into Another at Alternate Positions
• Deletion from Circular Linked List
• Delete Without Head Pointer
• Implement Queue Using Linked List
• Implement Stack Using Singly Linked List
• Sort Linked List of 0s, 1s, and 2s
• Merge Two Sorted Linked Lists
• Longest Palindrome in Linked List

Linked List Quiz

Test your knowledge of Linked List in JavaScript with the following Quiz:

• Linked List