.CJS File Extension

CommonJS Module

CommonJS is a project started in 2009 by Kevin Dangoor to expand JavaScript use. CommonJS modules allow JavaScript code sharing between files and environments like Node.js. CJS files contain JavaScrip...

General Information

Title CJS File Extension
Extension .cjs
Full Form CommonJS Module
File Type JavaScript Module File
Developer CommonJS Community
MIME Type text/javascript

File Function

Primary Function Module encapsulation
Additional Functions Server-side code, Modular development
Features Scoped, Non-interactive

File Characteristics

Quality Depends on code
Supports Layers N/A
Supports Transparency N/A
Editable Yes

Use Cases

Server-side Scripting Yes
Module Packaging Yes
Enterprise Applications Yes

Security and Practices

Security Risks Code execution
Best Practices Dependency auditing, Secure modules

Historical/Version Information

Initial Release 2009
Latest Version Node.js LTS

Associated Types

Similar Extensions .js, .mjs, .json

Software Compatibility

Software Usage Policy OS Compatibility
Node.js Free Windows, Mac, Linux
Various IDEs Varies Windows, Mac, Linux
Bundlers Free Windows, Mac, Linux