JSDoc
↔ Markup Lang to add inline documentation to JS Source Code
Sources: jsdoc.app/ usejsdoc.org/
!deprecated by TSDoc
!version current JSDoc 3
Documentation Generator
TS can perform type checks for .js files when annotated with JSDoc types
VS Code integrates auto-complete based on JSDoc comments
References
TSDoc
↔ Markup Lang extends JSDoc for TS inline comment docs