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

Developers
158 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.
jQuery
jQuery is a cross-platform JavaScript library designed to simplify the client-side scripting of HTML.
React
Lots of people use React as the V in MVC. Since React makes no assumptions about the rest of your technology stack, it's easy to try it out on a small feature in an existing project.
AngularJS
AngularJS lets you write client-side web applications as if you had a smarter browser. It lets you use good old HTML (or HAML, Jade and friends!) as your template language and lets you extend HTML’s syntax to express your application’s components clearly and succinctly. It automatically synchronizes data from your UI (view) with your JavaScript objects (model) through 2-way data binding.
See all alternatives

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