--- title: Immutable.js, persistent data structures and structural... description: Using Immutable.js can bring benefits such as faster data updates and improved performance. Copying properties with Object.assign can be slower due to... canonical: https://daily.dev/posts/immutable-js-persistent-data-structures-and-structural-sharing-ca6wt65n5 twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Immutable.js, persistent data structures and structural sharing | daily.dev og:description: Using Immutable.js can bring benefits such as faster data updates and improved performance. Copying properties with Object.assign can be slower due to... og:url: https://daily.dev/posts/immutable-js-persistent-data-structures-and-structural-sharing-ca6wt65n5 og:image: https://api.daily.dev/og/posts/Ca6WT65n5.png og:image:alt: Immutable.js, persistent data structures and structural sharing og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # 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: ## Community discussion Top comments from developers on daily.dev. **@totalchamp** · 1 upvotes > Thank you, great read! --- 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) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Immutable.js, persistent data structures and structural sharing","url":"https://daily.dev/posts/immutable-js-persistent-data-structures-and-structural-sharing-ca6wt65n5","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/immutable-js-persistent-data-structures-and-structural-sharing-ca6wt65n5"},"datePublished":"2024-05-08T12:41:19.877Z","dateModified":"2024-05-09T08:22:04.995Z","description":"Using Immutable.js can bring benefits such as faster data updates and improved performance. 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