Of all the hats JavaScript can wear, its form-processing features are among the most sought and used. Learn how to use JavaScript for form processing, validation, and more.

The JavaScript method, Array.map(f) is a pure function in that it takes a function as a parameter. That last point about pure functions warrants further exploration. First-order functions vs. pure ...

Functional programming means using functions to the best effect for creating clean and maintainable software. This article illustrates the concepts behind the functional paradigm with practical ...