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Learn Coding Basics in JavaScript

Summary: Let’s Get Functional

Learn how to use JavaScript functions effectively by exploring named parameters, recursion, variable scope, hoisting, and closures. Understand core principles of functional programming such as pure functions, referential transparency, and higher-order functions. This lesson helps you build a strong foundation in creating modular and maintainable JavaScript code as preparation for deeper object-oriented programming.

We'll cover the following...

Key points

  • Named parameters can be reproduced in JavaScript using an object as the parameter. This allows the arguments to be provided as properties of the object in any order.
  • The rest parameter allows any number of values to be provided to a function as an array.
  • Recursive functions are functions that continually call
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