System File Type – mjs

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System File Type

mjs

Code
Windows Explorer icon for the mjs file type in OneDrive folders

Overview

A JavaScript file explicitly treated as an ECMAScript module.

Characteristics

Plain source using standardized import and export syntax; the .mjs suffix selects ESM semantics in Node.js and related tools.

Common Uses

Browser modules, Node.js packages, libraries, build tooling, and shared JavaScript components.

Compatible Programs

  • Visual Studio Code
  • WebStorm
  • Node.js
  • Chrome DevTools

Sources

mjs Available by Year Taken/Created

mjs — Live from Microsoft

Secure, read-only view focused directly on the mjs file-type folder.