Functional programming, as the name implies, is about functions. While functions are part of just about every programming paradigm, including JavaScript, a functional programmer has unique ...

JavaScript’s arrays can hold heterogeneous types, change size on the fly, and readily insert or remove elements. Traditional methods like slice, splice, and push/pop do this by operating on the array ...

Functional programming replaces mutable state and side effects with predictable, composable functions. By embracing immutability, recursion, and higher-order functions, developers can write code ...

Any time you’re writing code, it means the code is going to be doing work for you. Many times, the burden of that work is transparent to us and our users. When it does make itself apparent, we have a ...