---
title: "Discussion on \"Beyond Objects and Arrays: A Simple Guide to Map and Set in JavaScript\" | Hashnode"
description: "Discussion on \"Beyond Objects and Arrays: A Simple Guide to Map and Set in JavaScript\". If you have been writing JavaScript for a little while, you are probably very comfortable using Arrays and Objects. They are the bread and butter of the language. We use Arrays to keep track of lists,"
url: "https://hashnode.com/posts/beyond-objects-and-arrays-a-simple-guide-to-map-and-set-in-javascript/69f5ca4f0ab374db99daccda"
---

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# [Beyond Objects and Arrays: A Simple Guide to Map and Set in JavaScript](https://nitinsharma11.hashnode.dev/beyond-objects-and-arrays-a-simple-guide-to-map-and-set-in-javascript?utm_source=hashnode&utm_medium=feed)

If you have been writing JavaScript for a little while, you are probably very comfortable using Arrays and Objects. They are the bread and butter of the language. We use Arrays to keep track of lists,

May 2 · 7 min read · nitinsharma11.hashnode.dev  
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