---
title: "Discussion on \"Map and Set in JavaScript\" | Hashnode"
description: "Discussion on \"Map and Set in JavaScript\". Map\nMap is a special JavaScript collection used to store data in key → value pairs.\nIt is similar to an object, but more flexible.\nMain advantage:Map allows keys of any type.\n\nDeclaring Collections\nco"
url: "https://hashnode.com/posts/map-and-set-in-javascript/6a002ad2e3eebc2e2041fa5a"
---

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

Map Map is a special JavaScript collection used to store data in key → value pairs. It is similar to an object, but more flexible. Main advantage:Map allows keys of any type. Declaring Collections co

May 10 · 3 min read · tech-log.hashnode.dev  
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[Mrinal G](https://hashnode.com/@mg16)

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