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Immutable.js

Immutable persistent data collections for Javascript which increase efficiency and simplicity, by Facebook
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What is Immutable.js?

Immutable provides Persistent Immutable List, Stack, Map, OrderedMap, Set, OrderedSet and Record. They are highly efficient on modern JavaScript VMs by using structural sharing via hash maps tries and vector tries as popularized by Clojure and Scala, minimizing the need to copy or cache data.
Immutable.js is a tool in the Javascript Utilities & Libraries category of a tech stack.
Immutable.js is an open source tool with GitHub stars and GitHub forks. Here’s a link to Immutable.js's open source repository on GitHub

Who uses Immutable.js?

Companies
64 companies reportedly use Immutable.js in their tech stacks, including Instagram, Snapchat, and Glassdoor.

Developers
156 developers on StackShare have stated that they use Immutable.js.
Pros of Immutable.js
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Immutable data structures
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Allows you to mimic functional programming
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Bring the functional experience to JS
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Makes writing Javascript less scary
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Easily transpiles to different ES standards

Immutable.js Alternatives & Comparisons

What are some alternatives to Immutable.js?
Lodash
A JavaScript utility library delivering consistency, modularity, performance, & extras. It provides utility functions for common programming tasks using the functional programming paradigm.
Ramda
It emphasizes a purer functional style. Immutability and side-effect free functions are at the heart of its design philosophy. This can help you get the job done with simple, elegant code.
JavaScript
JavaScript is most known as the scripting language for Web pages, but used in many non-browser environments as well such as node.js or Apache CouchDB. It is a prototype-based, multi-paradigm scripting language that is dynamic,and supports object-oriented, imperative, and functional programming styles.
Git
Git is a free and open source distributed version control system designed to handle everything from small to very large projects with speed and efficiency.
GitHub
GitHub is the best place to share code with friends, co-workers, classmates, and complete strangers. Over three million people use GitHub to build amazing things together.
See all alternatives

Immutable.js's Followers
120 developers follow Immutable.js to keep up with related blogs and decisions.