My previous post showed how to create classes in Javascript. This addendum post shows how to create an inherited class from a parent class. The concept is simple. Declare and define your parent class Declare and define your child class without defining the parent-child relationship Add a new instance of your parent class to your [...]

Javascript is a prototype-based language rather than a class-based language (e.g. Java). For an explanation of the difference, see Mozilla's comparison of class-based and prototype-based languages. In short, in a class-based language, objects are created by instantiating classes. The classes' list of properties and methods cannot be altered (e.g. added to) at runtime. A prototype-based [...]