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What is Functional Programming, and How Can You Do It in JavaScript?

  • Functional programming (FP) is different from traditional imperative programming in JavaScript.
  • In imperative programming, you write step-by-step instructions and mutate variables, while in FP, you focus on what to do and use pure functions.
  • Examples comparing imperative and functional approaches for adding, updating, and deleting users are provided.
  • Functional programming offers benefits like no mutation, predictable code, and declarative tools like map, filter, and reduce.

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