Back in the day when JavaScript ES5 was the active version, writing JavaScript code that adhered to encapsulation and modularity was not a trivial task. Things such as prototypes, namespaces, and self-executing functions could certainly improve your code; unfortunately, many JavaScript developers did not invest the necessary effort to improve the manageability of their code using those constructs.
Consequently, new technologies surfaced to help with this matter; a popular example relevant at that time was CoffeeScript. Then, JavaScript ES6 was released. ES6, with its great added features, such as modules, classes, and more specific variable scoping, basically overturned CoffeeScript and similar alternatives at that time.
Evidently, ...
