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The Superlative Guide to Data Structures in JavaScript


At some point in your career (today?!) you will want to learn data structures. It’s not just to ace the technical interview and land your dream job. Learning data structures in JavaScript will help you understand how software works and improve your problem-solving skills.

Data Structures in JavaScript

The following list is a ‘table of contents’ of my articles about data structures in JavaScript.

  • Data Structures in JavaScript: Array

  • Data Structures in JavaScript: Stack

  • Data Structures in JavaScript: Queue

  • Data Structures in JavaScript: Linked List

  • Data Structures in JavaScript: Tree

  • Data Structures in JavaScript: Tree Traversal

  • Data Structures in JavaScript: Tree Search

  • Data Structures in JavaScript: Tree Node Removal

  • Data Structures in JavaScript: Graph

  • Data Structures in JavaScript: Breadth-First Search Graph Traversal

  • Data Structures in JavaScript: Shortest Path Graph Traversal

  • Data Structures in JavaScript: Depth-First Search Graph Traversal

  • Data Structures in JavaScript: Topological Sort with Depth-First Search Graph Traversal

  • Data Structures in JavaScript: Hash Table

  • Data Structures in JavaScript: Separate Chaining Hash Table Collisions

  • Data Structures in JavaScript: Linear Probing Hash Table Collisions

If you want all this (and more!) in one package, pick up a copy of The 7 Data Structures of Highly Effective Developers.

© 2026 Jared Nielsen. All rights reserved.
Follow me on BlueskyGo to Astro's GitHub repo