ES6 modules are stored in files. There is exactly one module per file and one file per module." As the site explains, the new module features specified by ES6 are kind of a unification effort to ...

Modules Another interesting new concept in ES6 called Modules is something that JavaScript developers have been using for years.

Over the weekend, the is-promised library was updated to receive support to work as an ES module -- the standardized module system used by the JavaScript language.