---
title: "Discussion on \"Map and Set in JavaScript\" | Hashnode"
description: "Discussion on \"Map and Set in JavaScript\". JavaScript has always had objects for storing key-value pairs and arrays for storing ordered collections of values. For most situations, they work well. But both come with limitations that become noti"
url: "https://hashnode.com/posts/map-and-set-in-javascript/6a00b265e3eebc2e20a10c03"
---

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

JavaScript has always had objects for storing key-value pairs and arrays for storing ordered collections of values. For most situations, they work well. But both come with limitations that become noti

May 10 · 7 min read · timblarc.hashnode.dev  
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## Written by

[Shivam Verma](https://hashnode.com/@theadroitdev)

@theadroitdev · Punjab, India

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

Full Stack Engineer | Web & Mobile

A software engineer who work across the Full Stack. Having adept skills on coding and product management

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