---
title: "Discussion on \"Map & Set in JS\" | Hashnode"
description: "Discussion on \"Map & Set in JS\". Learn how Map and Set work in JavaScript, including unique values, key-value storage, iteration, and practical use cases."
url: "https://hashnode.com/posts/map-set-in-js/6a00aa0ae3eebc2e209ae005"
---

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Discussion

# [Map & Set in JS](https://javascript-journey-by-navdeep.hashnode.dev/map-set-in-js?utm_source=hashnode&utm_medium=feed)

Learn how Map and Set work in JavaScript, including unique values, key-value storage, iteration, and practical use cases.

May 10 · 3 min read · javascript-journey-by-navdeep.hashnode.dev  
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-   [#javascript](https://hashnode.com/tag/javascript)
-   [#map](https://hashnode.com/tag/map)
-   [#set](https://hashnode.com/tag/set)
-   [#data-structures](https://hashnode.com/tag/data-structures)
-   [#es6](https://hashnode.com/tag/es6)
-   [#collection](https://hashnode.com/tag/collection)

## Written by

[Navdeep Rohilla](https://hashnode.com/@NavdeepRohilla)

@NavdeepRohilla

  
[View profile](https://hashnode.com/@NavdeepRohilla)

Documenting my journey as a developer.

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