Immutable Data Structures and JavaScript

A little while ago I briefly talked about my latest blog rewrite and promised to go more in-depth on specific things I learned. Today I'm going to talk about immutable data structures in JavaScript, specifically two libraries immutable.js and seamless-immutable. There are other libraries, but the choice is conceptually between truly persistent data structures or copying native JavaScript objects,

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JavaScriptにおけるimmutableについて。 Reduxなどを使う際にImmutableオブジェクトが欲しくなるが、JS自体にはその仕様はない。 Immutable.jsやseamless-immutableなどのライブラリを使って実現するメリットとデメリットについて