emacs-doom-themes VS CodeMirror

You are probably going to get prompted with a yes/no for trusting this theme now and in the future (after all even themes in emacs are just elisp, so don't evaluate any elisp/themes you don't trust! But we trust the doom maintainer, so go ahead and type yes)

codemirror - a code editor component for the web

massCode uses Codemirror as the basis for the editor and .tmLanguage as the grammar for syntax highlighting. This tandem opens the door to over 600 existing grammars. The application currently supports more than 160 grammars. In addition to .tmLanguage, the application supports .tmTheme for themes. There is also…

After giving up countless times since I started this project, I finally managed to dig the dark secrets of Pyodide and run pyTermTk on a browser, all of this, of course, thanks to the magic of xterm.js. I know, my friend, I know what you are thinking, I was disgusted at first picturing that hideous javascript defiling the python purity of my code, but, when I saw my red pepper shining on webkit engine, well, I couldn't hold back a tear. And after that, who am I to not include also an editor and my collection of demos and examples? So, here it is, a super minimal buggy and feature incomplete pyTermTk Sandbox

syntax highlighting is simple with https://codemirror.net/

Can CodeMirror 2 be used to highlight code from a DIV or PRE tag (without the editor)?

Official website of Codemirror.

CodeMirror [MIT] https://codemirror.net/

There sure is, take a look at Code Mirror

Codemirror is open source, so you can look at, clone and experiment with its actual code as much as you like to figure out how it works.

Developed using the LAMP stack mainly because I'm more of a back-end (PHP) dev, and for various other reasons, like affordable web servers. The front-end is vanilla JavaScript (AJAX for dynamic stuff). I also use CodeMirror to provide the visual-code editor for programmers.