Lets asume I have a code like the following:  var shared = 100; function workWithIt(){     shared += 100; }  setTimeout(workWithIt, 500); setTimeout(workWithIt, 500);   Ideally, this piece of code should add 200 to the variable shared, which is 300 a...

Greetings,  I've been studying javascript, nodejs.  And I don't understand how the concurrency issues are avoided in javascript.  Lets say I'm working on a object   var bigObject = new BigObject();   and I have a setTimer(function(){ work...

Buckle in, this may be a longer ride than expected...  Note: all listeners are delegated to the 'body' and all triggered events are on the 'body' as well.  Intended On-Page-Load Flow   Create selector with id #selectorA Register liste...

The Problem:  Multiple children of a component are having events triggered near simultaneously.  Each of these events are handled by handleChange style functions which use React's immutability helpers to merge complex objects into the state of th...

How would Chrome handle this scenario.  Suppose I have two extensions installed. One extension that turns the page blue and the other one that turns the page red. Which extension gets priority?...

I'm currently working on a rather simple logic for processing queued ZPL print jobs, which are stored in an array that's then being iterated sending n amount of copies per job to a printer.   I'm reducing the array into a promise chain mi...

I am building a web application (using Fay to generate Javascript) where a user can have multiple tabs / windows open to the app. I want all open instances to collectively host a finite state machine, where there is only one state shared between all...

I am having an issue with saving a form. The form itself has about 40 rows with around 12 inputs for each row in this style:   On save, it should POST and then close the window. However, it never truly saves it. This makes me think that it is closing...

Lets assume I run this piece of code.  var score = 0; for (var i = 0; i < arbitrary_length; i++) {      async_task(i, function() { score++; }); // increment callback function }   In theory I understand that this presents a data race and two thread...

EDIT: I figured out the answer to the original YUI3 question I posted here, but it led to another one and instead of starting a new thread I thought I'd just add it here. Please scroll down for the new question (it's bolded).  Original questi...