We often hear the terms: immutable and immutability. But what do they mean, and, as developers, why should we care? Immutable basically means something that cannot be changed. In programming, immutable is used to describe a value that cannot be changed after it's been set. But, most programs require creating,

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Immutability in JavaScript is an important concept for developers to understand. Primitives like strings and numbers are immutable by default, while arrays and objects are mutable. However, developers can use techniques like the spread operator to achieve immutability with arrays and objects. Embracing immutability can lead to more predictable and consistent code, simpler debugging and maintenance, and adherence to functional programming principles.

Immutability in JavaScript – Explained with Examples

Primitives in JavaScript: Naturally Immutable