---
title: "Discussion on \"Understanding Map and Set in JavaScript\" | Hashnode"
description: "Discussion on \"Understanding Map and Set in JavaScript\". As you work more with JavaScript, you’ll often store data using objects and arrays. While these are powerful, they have some limitations. To solve certain problems more efficiently, JavaScript provide"
url: "https://hashnode.com/posts/understanding-map-and-set-in-javascript/69c577cf10e664c5da106739"
---

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

As you work more with JavaScript, you’ll often store data using objects and arrays. While these are powerful, they have some limitations. To solve certain problems more efficiently, JavaScript provide

Mar 26 · 5 min read · promisemethods.hashnode.dev  
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[Shivam Yadav](https://hashnode.com/@shivam306)

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