---
title: "Discussion on \"Map and Set in JavaScript\" | Hashnode"
description: "Discussion on \"Map and Set in JavaScript\". Learn Map and Set in JavaScript with simple examples. Understand key-value storage, unique values, and when to use them over objects and arrays."
url: "https://hashnode.com/posts/map-and-set-in-javascript/69fb9e4150ecad4533704ae0"
---

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

Learn Map and Set in JavaScript with simple examples. Understand key-value storage, unique values, and when to use them over objects and arrays.

May 6 · 5 min read · codexninja.hashnode.dev  
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## Written by

[Nausheen Faiyaz](https://hashnode.com/@NausheenFaiyaz)

@NausheenFaiyaz · Bihar, India

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

Developer

I build clean and simple web experiences and learn something new every day.

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