[web-audio-api] make 'when' parameter of start() and stop() optional (#233)

> Originally reported on W3C Bugzilla [ISSUE-20728](https://www.w3.org/Bugs/Public/show_bug.cgi?id=20728) Tue, 22 Jan 2013 10:32:53 GMT
> Reported by Olivier Thereaux
> Assigned to 

>From ROC:
“Is there a reason not to make the first parameter of AudioBufferSourceNode.start()/stop() optional? Seems like it would be convenient to have it just default to zero so authors could write "node.start()" to make it play "right now", and ditto for node.stop().”
 -- http://lists.w3.org/Archives/Public/public-audio/2013JanMar/0175.html

Editor agreed: http://lists.w3.org/Archives/Public/public-audio/2013JanMar/0176.html

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Reply to this email directly or view it on GitHub:
https://github.com/WebAudio/web-audio-api/issues/233