javascript dozent

I understand the block vs. function scoping of let & var (or I thought I did). Recently I ran a… Read more Why Let At Function Scope In Javascript?

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 was examining various JavaScript libraries for learning purposes. Basically I want to find the be… Read more Scope And Namespace Questions

How can you pass parameters into the keydown method from jquery because whenever I use a variable d… Read more Passing Parameters To Keydown

If I have a statement in JavaScript like: if(!me.a || !me.b || !me.c) { // I want to know whic… Read more Javascript Tell Which Condition Was Hit

I understand that functions called without the 'new' keyword spit out all their properties … Read more Functions In Global Context

Javascript Code var d = function c() { console.log(c); }; d(); // function c() { console.log(c); };… Read more Javascript Named Function As An Expression

I'm trying to set the variables lat and lng to the coordinates returned by the geocoder. I thin… Read more React Native Setting/accessing A Variable Inside A Function

I'm using TopUp to make a simple slideshow. Unfortunately they don't expose the image index… Read more Access Local Variable From Outside The Function

I tried following code: var a = 5; function x() { console.log(a); } x(); It runs as expected a… Read more Strange Behavior On Global And Local Variable In Javascript

In the following code: var greeting = 'hi'; function changeGreeting() { if (greeting =… Read more Redeclare Javascript Variable

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

The difference between these two keywords in terms of scoping has already been thoroughly discussed… Read more Is There A Performance Difference Between 'let' And 'var' In Javascript

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

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

Using CreateJS, I have output a canvas with instances of various objects, animating in various ways… Read more Scope (i Think?!) Challenge In Javascript

I tried bringing out result by storing in variable current product. But I cant use it outside the f… Read more I Want To Take Out The Result From Mysql's Connection.query And Save It In Global Scope Chain In Nodejs

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 have two example pages that are behaving differently and I would like to know why. To me they see… Read more Javascript Scoping Variables Theory

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