The object-oriented paradigm popularized by languages including Java and C++ has slowly given way to a functional programming approach that is advocated by popular Python libraries and JavaScript ...

JavaScript is a lightweight, interpreted, object-oriented programming language with first-class functions most commonly known as a scripting language for web pages.

Object-oriented programming gives us modifiers, which control the visibility of members and methods. In some languages, like Java, we have modifiers such as private and public.