---
title: "Discussion on \"Understanding Map and Set in JavaScript\" | Hashnode"
description: "Discussion on \"Understanding Map and Set in JavaScript\". Learn how Map and Set work in JavaScript, their differences from Objects and Arrays, and when to use them."
url: "https://hashnode.com/posts/understanding-map-and-set-in-javascript/6a00006ae3eebc2e2029bd2f"
---

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# [Understanding Map and Set in JavaScript](https://map-and-set-in-js.hashnode.dev/understanding-map-and-set-in-javascript?utm_source=hashnode&utm_medium=feed)

Learn how Map and Set work in JavaScript, their differences from Objects and Arrays, and when to use them.

May 10 · 6 min read · map-and-set-in-js.hashnode.dev  
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## Written by

[Gagan Sharma](https://hashnode.com/@GaganSharmaGit)

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