50 multiple-choice questions related to Functional Programming in JavaScript

Here are 50 multiple-choice questions related to Functional Programming in JavaScript, covering Pure Functions and Immutability, Map, Filter, Reduce, and other Array Methods, Declarative vs. Imperative Programming, Lazy Evaluation and Infinite Sequences, and Monads, Functors, and Other FP Concepts. Each question includes a detailed explanation of the correct answer. Pure Functions and Immutability Map, Filter, ...