Javascript context holder pattern

Recently I was writing some OOP javascript for browser. Javascript is different than other OOP languages like C++,  C#, or Java. So, if you are not familiar with the differences and some extra capabilities of javascript, it’s really easy to get into horrible problems. One of those are context object aka this.

Javascript Classes: Constructor parameters become private properties!

Sometimes I do experiments while I learn. Today I was learning making private properties in Javascript objects and I made a hack to declare and initialize private properties in a single line of code. I started with this code: