---
title: "Immutable.js, persistent data structures and structural sharing"
url: https://daily.dev/posts/immutable-js-persistent-data-structures-and-structural-sharing-ca6wt65n5
source_url: https://medium.com/@dtinth/immutable-js-persistent-data-structures-and-structural-sharing-6d163fbd73d2
type: article
source: "Community Picks"
published: 2024-05-08T12:41:19.877Z
updated: 2024-05-09T08:22:04.995Z
tags: ["javascript", "react", "performance", "data-structures"]
reading_time: 2
upvotes: 16
comments: 1
language: en
---

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# Immutable.js, persistent data structures and structural sharing

**[Community Picks](https://daily.dev/sources/community)** · 2 min read · 16 upvotes · 1 comments

## Summary

Using Immutable.js can bring benefits such as faster data updates and improved performance. Copying properties with Object.assign can be slower due to JavaScript's default mutability. Immutable.js uses persistent data structures and structural sharing to optimize data updates and improve performance.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://medium.com/@dtinth/immutable-js-persistent-data-structures-and-structural-sharing-6d163fbd73d2>

## Community discussion

Top comments from developers on daily.dev.

**@totalchamp** · 1 upvotes

> Thank you, great read!

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---

Tags: [#javascript](https://daily.dev/tags/javascript), [#react](https://daily.dev/tags/react), [#performance](https://daily.dev/tags/performance), [#data-structures](https://daily.dev/tags/data-structures)

[View this post on daily.dev](https://daily.dev/posts/immutable-js-persistent-data-structures-and-structural-sharing-ca6wt65n5)