---
title: "Discussion on \"Map & sets in JavaScript\" | Hashnode"
description: "Discussion on \"Map & sets in JavaScript\". befro these javascript only hava\n\nobjects -> key-value storage\n\nArrays -> ordered list\n\n\nProblem with object\nat that time objects were never design as pure key value database\nissues:\n\nKeys are always"
url: "https://hashnode.com/posts/map-sets-in-javascript/69e731f584846b95c52bdd5e"
---

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# [Map & sets in JavaScript](https://dushyantxcode.hashnode.dev/map-sets-in-javascript?utm_source=hashnode&utm_medium=feed)

befro these javascript only hava objects -> key-value storage Arrays -> ordered list Problem with object at that time objects were never design as pure key value database issues: Keys are always

Apr 21 · 4 min read · dushyantxcode.hashnode.dev  
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