class « scope « Javascript Data Type Q&A

1. JavaScript Classes and Variable Scope    stackoverflow.com

I'm relatively new to JS and I'm having issues properly emulating OOP principles. I guess I have two questions. Question the first is regarding the many ways to declare variables. Say I ...

2. Javascript local variable works like class variable in window    stackoverflow.com

I find this behavior of the global window object a little weird.

var x = 10;
function SomeClass(){
    var y = 15;
    console.log("Someclass:y - " + ...

3. How do I access class variables from an event in Javascript?    stackoverflow.com

I'm using the prototype javascript libraries. My code is below. I've created a class and in that class I have created an event listener for one of the class methods. ...