What is the difference if we define a method in the constructor function or we define it in the prototype of the constructer? I know that if we define it in the
I know how to parse a JSON String and turn it into a JavaScript Object. You can use JSON.parse() in modern browsers (and IE9+). That's great, but how can I t
I'm always getting Cannot set property 'saySomething' of undefined but why? Am I making a mistake somewhere? var Person = new Object(); Person.prototype.saySo
I created a pure React application using create-react-app. I would like to extend the String class and use it in one or more components. For example: String.pr
I'm trying to use express in a prototype function ioServer() { } module.exports = ioServer; ioServer.prototype.start = function() { var app = requ
I'm trying to make a simple text adventure/farming simulator, but I'm new to JavaScript and I'm stuck trying to plan out how my inventory system will work. The
This figure again shows that every object has a prototype. Constructor function Foo also has its own __proto__ which is Function.prototype, and which in turn a
I'm practicing an exercise in a book called Object-Oriented JavaScript. The exercise in chapter 5 contains the following 4 questions: Create an object call