I dunno about "recommended", but a quick search turns up several options, the most interesting of which (IMHO) is https://js-dos.com/DOOM/ https://js-dos.com/DO

I dunno about "recommended", but a quick search turns up several options, the most interesting of which (IMHO) is https://js-dos.com/DOOM/ https://js-dos.com/DOOM/ (mostly because it looks like a generic "dosbox in web technologies" and that's sweet)