adamf/gist:e30ece52f2c065fd90f6

## gistfile1.html
<html>
<body>
<script>
// use the HTML5 audio API to make a beep.
var context = new webkitAudioContext();
var volume = context.createGain();

volume.gain.value = 0.5;
volume.connect(context.destination);
var synth = context.createOscillator();
synth.connect(volume);

// I think 0 is the default type? Let’s see what we get.
synth.type = 0;

// Play an ‘A’ at 440Hz, the typical tone used to tune an instrument.
synth.frequency_value = 440;

// Actually play a note.
synth.noteOn(0);

// In 2 seconds, stop playing the note.
setTimeout(synth.noteOff, 2000);

</script>
</body>
</html>
	<html>
	<body>
	<script>
	// use the HTML5 audio API to make a beep.
	var context = new webkitAudioContext();
	var volume = context.createGain();

	volume.gain.value = 0.5;
	volume.connect(context.destination);
	var synth = context.createOscillator();
	synth.connect(volume);

	// I think 0 is the default type? Let’s see what we get.
	synth.type = 0;

	// Play an ‘A’ at 440Hz, the typical tone used to tune an instrument.
	synth.frequency_value = 440;

	// Actually play a note.
	synth.noteOn(0);

	// In 2 seconds, stop playing the note.
	setTimeout(synth.noteOff, 2000);

	</script>
	</body>
	</html>