How do you define an OOP class in JavaScript?

Question

Based on my observation, the book that I am reading about JavaScript states that there\'s an OOP with JavaScript? It doesn\'t tell much about it, I mean it wasn\'t explained

Answer 1

In JavaScript everything is a object. So even a function is a object. So in js (less then < version 2), function makes classes (which are first class objects themselves). Go here, here and herefor understanding better