CommonJS

CommonJS modules are the original way to package JavaScript code for Node.js. Node.js also supports the ESModules standard used by browsers and other JavaScript runtimes, but CJS is still widely used in backend Node.js applications. Sometimes these modules will be written with a .cjs extension.

Visit the following resources to learn more:

• Modules in Javascript: CJS Section
• How the CJS Module System Works
• How to Import and Export Modules in CJS