GitHub - ghammock/LaTeX_Listings_JavaScript_ES6: The LaTeX listings package does not include a language specification for JavaScript/ECMAScript, this fills the gap in the interim.
Code listing - Overleaf, Online LaTeX Editor
GitHub - FreeFem/FreeFem-parser-latex-listings: LaTeX listings package extension for FreeFEM language
LaTeX syntax highlighting examples – texblog
LaTeX source code listing like in professional books - Stack Overflow