I said "including playing" however. Back then, MIDI was handled by the OS, so it didn't matter if your browser supported it or not. All you did was send the raw

I said "including playing" however. Back then, MIDI was handled by the OS, so it didn't matter if your browser supported it or not. All you did was send the raw data to the website's (admittedly crappy since my coding sucks) editor and you had your MIDI track laid down. Adjust quantization, adjust timing (because obviously you aren't doing this realtime back then) and you were golden.