---
title: "Discussion on \"Map and Set in JavaScript (When Objects & Arrays Aren’t Enough)\" | Hashnode"
description: "Discussion on \"Map and Set in JavaScript (When Objects & Arrays Aren’t Enough)\". Learn what Map and Set are in JavaScript, their differences from objects and arrays, and when to use them with simple examples."
url: "https://hashnode.com/posts/map-and-set-in-javascript-when-objects-arrays-aren-t-enough/69d76314fa7251682e6952e7"
---

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# [Map and Set in JavaScript (When Objects & Arrays Aren’t Enough)](https://kumar-rishabh.hashnode.dev/map-and-set-in-javascript-when-objects-arrays-aren-t-enough?utm_source=hashnode&utm_medium=feed)

Learn what Map and Set are in JavaScript, their differences from objects and arrays, and when to use them with simple examples.

Apr 9 · 2 min read · kumar-rishabh.hashnode.dev  
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## Written by

[kumar Rishabh](https://hashnode.com/@kumar-rishabh)

@kumar-rishabh · india

  
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listen to the silence within.

I write technical articles for developers who already know the basics but want clarity. No hand-holding, no fluff — just structured explanations for people revisiting concepts or fixing confusion.

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