Data Structures & Algorithms in JS – Learn JavaScript

About Data Structures & Algorithms in JS

Use JavaScript to master DS&A for interviews and real‑world problem‑solving.

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Re‑implement core structures: stack, queue, list, tree, graph.
Time/space complexity is as important as code correctness.
Practice under time limits to simulate interviews.

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Data Structures & Algorithms in JS

VisuAlgo – Visualize Algorithms — Interactive visualizations
Big-O Cheat Sheet — Complexity reference
Interview Cake – JS Arrays & Strings (free chapter) — Free concepts in JS
USF – Data Structures in JS (Open Text) — Classic structures visualized
GeeksforGeeks – DSA with JS (free articles) — A lot of worked examples
Algorithms Live – Playlist Index — Deep algorithm theory (language‑agnostic)