When a JavaScript object has a method called on it ... we add a lot more overhead for each layer of inheritance in order to protect the object we are extending from the one we have extended in to.

Exposes create method which calls Object.create(this) using redefine.js and sets passed in attributes as enumerable properties. Mixes in eddy.js event methods.

This CodeLab introduces basic of Object inheritance. JavaScript is a class-free object-oriented language. it uses prototypical inheritance instead of classical inheritance. In Classical inheritance : ...