JavaScript College

I understand that closures keep the execution context alive by saving a reference to the executed f… Read more Do Closures Keep The Whole Execution Context Alive?

I am working on a web page that uses dojo and has a number (6 in my test case, but variable in gene… Read more Why Can't I Roll A Loop In Javascript?

Im trying to assign an onKeyUp event to all inputs within a form, using closures. the array fields … Read more Javascript Onkeyup Closures With Timeout

Crockford introduces a pattern in the deentityify method to create a module. He claims: The modul… Read more Javascript Module Pattern Introduced In Tgp Deentityify Method - Why Is This Pattern Necessary?

Can anyone explain why the following produces 1,2 and the other produces 5? Should they not both pr… Read more How Does The Js Scope Of These Blocks Work?

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

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"

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

I'm using the Google Maps API to plot several points on a map. However, in the click event func… Read more Accessing Loop Iteration In A Sub-function?

We have been debating how best to handle objects in our JS app, studying Stoyan Stefanov's book… Read more What's Wrong With This Style Of Coding Javascript? (closures Vs. Prototypes)

It all started with these simple lines of code: a = 3; b = 2; function line(x) { var a = 5; … Read more Variable Scope And Var

I'm aware of the great posts on Closures here and here, but neither seems to address the partic… Read more Javascript Closures Concerning Unreferenced Variables

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

trying to use a throttling function created by Remy Sharp (http://remysharp.com/2010/07/21/throttli… Read more Remy Sharp's Function Throttler

I'm working on closure so hard, and I know that in the loop, new function refer closure using … Read more Javascript Closure After Using Anonymous Function

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

JavaScript/Promise experts, I hope you can help me, because I don't understand how I can create… Read more How To Create A Function That Returns An Existing Promise Instead Of New Promise?

It outputs this: My value: 3 My value: 3 My value: 3 Whereas I'd like it to output: My value… Read more Javascript Closure Inside Loops – Simple Practical Example

When I have some function that uses variables from its enclosing scope(s) and use that function out… Read more Over How Much Of Its Enclosing Scope Does A (javascript) Closure Close?

I am fairly new to NodeJS and to JavaScript in general. Here is my script: var data = []; clie… Read more Variable Outside Of Callback In Nodejs