[PythonicAlpha]

The point is not, if a language is superior or has the better "OOP" quality. People tend to use what they know and JS is currently one of the "in" languages.

What is the benefit, if your scripting language is the price-winner from Harvard Business school or something else, but nobody knows it and wants to learn it. So many (good) languages have passed away, nearly unnoticed.

One of the big attractions of Java and JavaScript: The syntax. The C/C++ like syntax was and is just in fashion ... even when it is criticized by many. But everybody knows it and everybody (it seems) like it.