To clear up some of these misconceptions, this article will explain the different ways in which you can export and import modules. First, let’s explore background of JavaScript modules.

ECMAScript modules, aka ES modules or ESM, is the official JavaScript module syntax. As such, it is not technically a tool, but it has broad implications for JS development and tools.

According to the Exploring ES6 site, "JavaScript has had modules for a long time. However, they were implemented via libraries, not built into the language. ES6 is the first time that JavaScript has ...

The way to load an ECMA Script Module is to use an import statement; the module must contain a matching export statement. The latest Node.js has both CommonJS and ES Module loaders.