JavaScript Apprenticeships

Could someone explain to me why I get the 'Property of value is undefined error' please? My… Read more Javascript - Cannot Read Property Of Undefined

Why is the value for undefined considered Finite in javascript while null is not? This is a very ba… Read more Why Is Isfinite(undefined) != Isfinite(null)?

I would like to recursively clean any fields which are undefined, or have an empty object as parent… Read more Remove Undefined Properties From Object

In JavaScript undefined can be reassigned, so it is often advised to create a self executing functi… Read more Javascript Undefined Replaced With Null

When I run my game in Google Chrome and Firefox, the game screen is black, once I refresh it, it ru… Read more Phaser Error On First Load Of Game Undefined Variables

I have a json-object, which I print to the screen (using alert()-function): alert(object); Here is… Read more Javascript Says Json Object Property Is Undefined Although It's Not

I have the following code: Number One Solution 1: I think you're confusing the properties whic… Read more Undefined Variable In Array In Prototype

I am currently building a small web application with similar functionality across all modules. I wa… Read more Javascript: Typeerror Variable Is Undefined