It assumes the reader has experience programming in JavaScript. Functions as a map between two sets. A functional programmer views the nature of a function in a similar way as does a mathematician: It ...

Here's what you need to know about object-oriented programming with classes, methods, objects, and interfaces, with examples in Java, Python, and TypeScript. Object-oriented programming (OOP) is ...

Learn how JavaScript’s built-in functions like map() and filter(), as well as compose() and chain(), support a more elegant handling of JavaScript arrays.

TypeScript is growing in popularity as the programming language of choice for both front-end and back-end developers. With TypeScript, developers can fully wield the power of the principles and ...

Object-oriented programming allows procedures about objects to be created whose exact type is not known until runtime. For example, a screen cursor may change its shape from an arrow to a line ...

JavaScript is now the world's most popular programming language, even though it started off as a side-kick to Java.