I have just seen a google tech talk presented by John Resig where he said jQuery operates as an array. Following that advice I have been playing with a subclassed array and it works great but I have been looking through the jQuery source and can'...
I recently came across this great post by Dr. Axel Rauschmayer:  http://www.2ality.com/2015/02/es6-classes-final.html  The following snippet roughly describes how ECMAScript 6 prototype chains work from an ECMAScript 5 point of view (section 4.2 of t...
I want to create my own RegExp subclass, with additional methods. This is the most simplified version of my approach:  // Declare the subclass function subRegExp(){}  // Inherit from the parent class subRegExp.prototype = new RegExp();  // Create a n...
The problem  I'd like to be able to use classes to create client objects and add address objects to an array within them.  What I'd like to be able to do  let client = new Client ('A123', 'John', 'Smith', avatarUrl); c...
I have trouble making a constructor for subclasses in JS. The constructors for classes work fine though!  //defining base class State class State {     constructor(){         this.someText = "someText";     }     start(){       }       update...
I'm trying to make a simple game using JavaScript. I want each level in the game to have slightly different behaviour. However, I also want some default behaviour since not every part of the game will be changed.  I thought I should try to use su...
I am trying to get subclass to access parent variable. Can someone tell me what's wrong with this code?  function a() {     this.val = 600;     var self = this;      this.c = new b();      this.d = function() {         console.log("P:");...
I'm trying to make a subclass of an image library on github called Jimp.  As far as I can tell from the docs, you don't instantiate the class in the usual way.  Instead of saying new Jimp(), it seems the class has a static method called read...

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