vivo Internet Technology
Sep 18, 2019 · Fundamentals
Functional Programming in JavaScript: Theory, History, and Key Concepts
The article surveys functional programming’s origins, from Hilbert and Church to lambda calculus, explains its pure‑computation model versus imperative state mutation, outlines essential concepts such as currying, higher‑order functions, and immutability, discusses JavaScript‑specific practices and limitations, and notes the growing impact of functional ideas in modern front‑end frameworks.
Functional ProgrammingHigher-order Functionsimmutability
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