Why JavaScript
In the earlier days of the web, there was a battle between two scripting languages VBScript and JavaScript. VBScript, thankfully, eventually died and JavaScript became the dominant language for making really easy to use and interactive websites.
In the years since, JavaScript has become more and more used. Backend code can be written in basically any language, even in JavaScript, but the client side will almost always require a developer with some JavaScript knowledge. Every industry has a lot of javascript and some are even rewriting core functionality to use more. Surprisingly, even large banks and credit card companies are beginning to use JavaScript or Node in big ways. PayPal has been rewriting very large parts of their code base to make it more scalable and usable.…