es6-modules

Question 1

How are ES Modules different from CommonJS modules?

Answer 1

CommonJS: compact syntax, designed for synchronous loading and main use is servers.
ES6: Slightly more complicated syntax, designed for asynchronous loading and main use is browsers.

Question 2

What kind of modules can Webpack support?

Answer 2

ECMAScript;
CommonJS;
AMD;
Assets;
WebAssembly.