22 Buzz Words Explained — Mutations, Pure Functions , Serverless, Hoisting, MVC + More
Syntax - Tasty Web Development Treats
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Immutable and Mutable
So mutable and immutable are fancy words to get thrown around when you're talking about stuff changing. Immutable is something that is not changed or cannot be changed Yeah, that's great. Facebook has taken it even further with immutable.js which will give you your own set of arrayish and objectish kind of things. So rather than Modifying the existing one just make a new variable.
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