Reminds me of one I made years ago (back before Web Audio, when the HTML5 <audio> tag was actually pretty new)[0]. It's not under 100 lines, but it's self-conta

Reminds me of one I made years ago (back before Web Audio, when the HTML5 <audio> tag was actually pretty new)[0]. It's not under 100 lines, but it's self-contained and (mostly) readable like this one is. These days I'd definitely go with Web Audio as the playback mechanism, of course. [0] http://stepheneisenhauer.com/demos/drummachine/ http://stepheneisenhauer.com/demos/drummachine/