JavaScript Apprenticeships

i have read articles that say: using the prototype will be fastest since functions declared are sh… Read more Javascript Benchmarks In Testing Different Emulations Of A "class"

Following part of my javscript(using jquery). list = ['a', 'b', 'c']; for(v… Read more Late Binding Onclick Event

I have two javascript closures and I'm trying to understand why one will accept and input with … Read more Javascript Closure Not Taking Inputs Consistently

I have a problem with Sinon.js while trying to spy a function that is in the same javascript file a… Read more How To Spy A Function With Sinon.js That Is In The Same Js File As The Function Under Test

So to my understanding which is obviously wrong at this moment in time is that, return arg => ar… Read more Return Value Using Arrow Syntax

For example: I have a lot of functions and use them many times. I need to count calls for each func… Read more Count Functions Calls With Javascript

In my sample code, I have 2 dropdownlists (but in the real code the number varies because the dropd… Read more Javascript/jquery Dropdownlist Change Event With Closure Not Working

Using current code for google maps api i found on stackoverflow, i need to hide all markers except … Read more Hide Particular Marker Google Maps Api

I'm having several div's #mydiv1, #mydiv2, #mydiv3, ... and want to assign click handlers t… Read more Assign Click Handlers In For Loop

I have a JavaScript file, e.js var global = Function('return this')(); var i = 1; console… Read more Global.eval Is Not Able To Visit Variables In The Lexical Scope. Does The Behavior Comply Ecmascript Standard?

I've seen a few developers tout 'best practices' when wrapping angular components in an… Read more What Is The Benefit Of Wrapping Angular Controller/service/factory Declarations In An Anonymous Function

I am trying to reproduce some code from the book 'Javascript: The Good Parts' by Douglas Cr… Read more Unable To Implement Module Pattern

Possible Duplicate: Passing values to onclick I have 100 elements with ids divNum0,...,divNum99. … Read more Closure In Javascript

I have a javascript function which contains another javascript function inside (closure) function f… Read more Javascript Nested Functions Initialization

I have a 3D array (rather JS object), called outerArray in the SSCCE I am posting here in this ques… Read more Calling Settimeout() For All Members In Object - Never Called For 1st Member, And Called For 2nd Member. Why?

I am a beginner in js, and am puzzled by the following code: Foo = function(arg) { this.arg = a… Read more Javascript Prototype And "this" Access In Closure

So the problem I'm having is I have a function which uses a variable in a closure and when test… Read more Best Way To Test Javascript Functions That Use Variables From A Closure?

var add = (function () { var counter = 0; return function () { var reset = functio… Read more Accessing Variables In Javascript Closures

The following doesn't work, from my getter, I can't see _nickname defined in the 'class… Read more Using Object.defineproperty And Accessing A Variable In Private Scope

I've seen a really cool explanation of closure. So in my view closure is a way to store data so… Read more What Happens With Values In Closure? Javascript