JavaScript Info

why does the following code segment generate the following output? code segment: var a = 10; functi… Read more Why Is Global Variable Not Accessible Even If Local Variable Is Defined Later In Code

The following variable my_cords is undefined when it gets to the google maps function, can anyone u… Read more Very Strange Javascript Scoping Issue

I have a problem with this piece of code: var elements; var current = 100; $(document).ready(funct… Read more Update Global Variable From Jquery Nested Function

Strange problem, I cannot access the $rootScope in CtrlB variable that is getting set in CtrlA. H… Read more Angularjs - Cannot Access Rootscope

I'm trying to better understand the use of this. In experimenting with this code, I found I can… Read more I'm Trying To Better Understand The Use Of `this`. The Example Is Verbose, But Its For The Purpose Of Trying To Better Understand

I have a line in my source code written by someone else: var campaignLimits = 10, campaignsArray = … Read more Defining Multiple Variables With One `var` Keyword In Javascript

I am working with AngularJS, CSS and HTML. Here's what I'm trying to do: A button gets disa… Read more Change Button Text Dynamically In Angularjs

This code implements a 60 cell spreadsheet, 6x10 rows,columns. At the end of each row are two label… Read more Update Data In Matrix Of Cells

I have done some tests with codes listed below: function foo(x) { alert(y); } var y = 'I am… Read more Javascript Function Parameter And Scope

There is one sentence in JavaScript Guide about variable scope:'Variables in JavaScript are in … Read more Javascript Variable Scope Return "undefined"

Sorry about the title - I couldn't figure out a way to phrase it. Here's the scenario: I ha… Read more Scope Troubles In Javascript When Passing An Anonymous Function To A Named Function With A Local Variable

I've a crazy problem. I'm instantiating an object from a class. Then I want to pass a funct… Read more Instantiating A Class And Then Pass It To Setinterval

I run in to something that illustrates how I clearly don't get it yet. Can anyone please explai… Read more Just When I Think I Finally Understand Javascript Scope

I'm having an issue with a variable not being passed through an ocanvas function. it appears t… Read more Javascript Variable Not Passing Through Ocanvas Function And For Loop

Would the following code cause any issues?: var a = 1; var a = 2; My understanding is that javascr… Read more Declaring A Javascript Variable Twice In Same Scope - Is It An Issue?

I've a variable scope problem and I don't understand why this occurs and how to get rid of … Read more Binding Listeners Inside Of A For Loop : Variable Scope Miscomprehension

I am attempting to move away from spaghetti code in my jQuery plugins and work in a more structured… Read more Jquery Plugin Object: Attached An Event Handler Via .on() And Now Have A Scope Issue Of This. (the Main Plugin Object)

I am using the JQuery Boilerplate to write my first JQuery plugin - a responsive carousel. I am usi… Read more Javascript Scoping Issue Using Jquery Boilerplate

How would you explain JavaScript closures to someone with a knowledge of the concepts they consist … Read more How Do Javascript Closures Work?

I know this must be really basic stuff but I don’t understand how the scope is working. I want the … Read more Why Is The Variable `closed` Being Logged As `false`, If I Define It Globally As `0`?