---
title: "Discussion on \"New Tactical Formations: Mastering Map and Set in JS 🏟️\" | Hashnode"
description: "Discussion on \"New Tactical Formations: Mastering Map and Set in JS 🏟️\". Learn the difference between Map vs Object and Set vs Array. Master unique collections and advanced key-value storage in ES6 JavaScript."
url: "https://hashnode.com/posts/new-tactical-formations-mastering-map-and-set-in-js/69c3a4038a263e79cb11ffd3"
---

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# [New Tactical Formations: Mastering Map and Set in JS 🏟️](https://modernjavascript.hashnode.dev/new-tactical-formations-mastering-map-and-set-in-js?utm_source=hashnode&utm_medium=feed)

Learn the difference between Map vs Object and Set vs Array. Master unique collections and advanced key-value storage in ES6 JavaScript.

Mar 25 · 3 min read · modernjavascript.hashnode.dev  
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-   [#javascript](https://hashnode.com/tag/javascript)
-   [#es6](https://hashnode.com/tag/es6)
-   [#webdev](https://hashnode.com/tag/webdev)
-   [#datastructure](https://hashnode.com/tag/datastructure)
-   [#chaicode](https://hashnode.com/tag/chaicode)

## Written by

[Shubham Tiwari](https://hashnode.com/@kilroy47)

@kilroy47

  
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{WD}

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