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Glossary coding Term Page

Immutability

updating data by cloning and returning new arrays instead of mutating in place

immutability #coding#javascript#rust
Korean version

Related Concepts

StateRendercrypto.randomUUIDScalar typeTupleArray

Core Idea

Immutability is updating data by cloning and returning new arrays instead of mutating in place, which simplifies debugging. It usually makes the most sense alongside State, Render, crypto.randomUUID.

Why It Matters Here

Mathbong reuses this term across javascript posts as shared vocabulary.

Posts Mentioning This Concept

[Rust Series 3] Variables, Immutability, and Basic Data Types Learn the rules behind let and mut, then practice scalar, tuple, and array types.[Rust 시리즈 3편] 변수, 불변성, 기본 자료형 let과 mut로 변수의 기본 규칙을 익히고, 스칼라·튜플·배열 자료형을 활용하는 방법을 소개합니다.[JavaScript 시리즈 7편] 미니 프로젝트로 상태와 렌더링 감각 잡기 순수 JavaScript로 상태 관리, 렌더 함수, DOM 업데이트 구조를 설계해보며 컴포넌트 사고방식을 익힙니다.