Javascript context holder pattern

Recently I was writing some OOP javascript for browser. Javascript is different from 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.

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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: