[iammyIP]

First, it's an enourmous waste of computing resources. Second, it doesn't even work, since the 'setinterval' is unusable for audio timing. Third, what's there to show off? So Javascript got a 'PlayWav' function that you call in not so regular intervals depending on buttonstate. Simple beatbox is simple. Could aswell be 30 lines.

[aroman]

Not sure why this is down voted — the demo literally does not work in my browser (Safari 10) because of the (mis)use of setInterval.

[yAnonymous]

>Safari

Try a better browser first. You might as well be using IE 8. I could write a book about the things that don't work in Safari.