JavaScript is a flexible language, allowing for all sorts of styles and programming paradigms. Although this breadth sometimes comes at a cost to readability or consistency across a code base, it ...

If you're an aspiring web developer or completely new to coding, JavaScript is a great start. We've put together some of the best free and paid online courses to help you learn this popular coding ...

This detailed tutorial shows how to implement pure functions in JavaScript that are deterministic and referentially transparent, and create no side effects.

‘Higher-order functions’ is a fancy term for functions that take other functions as arguments or that return functions. Very powerful!

There’s a lot you can do with JavaScript: Images can swap when you move a mouse over them, form elements can influence each other on the fly, and calculations can be made without having to ...