Module loaders are libraries that can handle loading modules using the above formats for further processing or executing, they may be different in terms of synchronous or asynchronous loading, static or dynamic loading.
ES Module Loader has been implemented in most browsers, available in Node.js via
Above module loaders are actually used at runtime to load and execute scripts. Don’t be confused with loaders used in built tools which used at build-time to pre-process files as you
load them, they are kind of tasks that transform modules from one format to other format.