The main reason why I want it is that I want to extend my initialize function.  Something like this:  // main.js  window.onload = init(); function init(){      doSomething(); }  // extend.js  function extends init(){     doSomethingHereToo(); }   So...

If I have a function like this:  function a() {     console.log('a'); }   and then assign a static property like this:  a.static = 'foo';   But say I want to override the function with another function like this:  var old = a;  a = fu...

I've got a notifications toolbar which is a module. Very similar to the notifications toolbar in the facebook native app. In this toolbar are 3 regions:   InvitesRegion RequestsRegion NotificationsRegion   Each of these regions contains their own...

I'm looking to reduce storage requirements for JSON data by deltifying it against a known set of defaults.  Basically, what I want is an inverse for jQuery's .extend() function, such that the following test passes for arbitrary JSON-compatibl...

In Javascript, with the following illustration code:    class Base {    constructor() {  this._val = 1   }    get val()     { return this._val } }  class Xtnd extends Base {    set val(v)    { this._val = v } }  let x = new Xtnd(); x.val = 5; console...

i'm trying to create my own class event with predefined options  class TimeoutEvent extends CustomEvent {     constructor() {         super(...arguments);          this.bubbles = true;         this.cancelable = true;          this.type = 'tim...

Seems $.extend uses only the keys of its input to determine what to overwrite. So when my config looks like this  var config = {     "numeric" : false,     "keycode_whitelist" : [         37, 39, // Left, right         9,      // Tab...

I got a form;      <div id="mainDiv">         <form>          <input name="input1" />         <input name="input2" />         <input name="input3" />         <input name="input4"...

These codes were extracted from the example for abstract decorator in the book of "Learning Javascript Design Patterns". I got confused by this.superclass.constructor() and extend().   I can understand this refers to myMacbookPro, an instance...

I decided to try out JavaScript genius John Resig's "simple JavaScript inheritance" as detailed on this blog page:  http://ejohn.org/blog/simple-javascript-inheritance/  I'm curious how one might override a method with code that calls...