Tools/TestWebKitAPI/Tests/WebKitCocoa/audio-context-playing.html - WebKit - Git at Google

 <!DOCTYPE html>
 <html>
 <body>
 <script>
 function startPlaying()
 {
     context = new AudioContext();
     let oscillator = new OscillatorNode(context);
     oscillator.connect(context.destination);
     oscillator.start();
 }
 </script>
 </body>
 </html>
	<!DOCTYPE html>
	<html>
	<body>
	<script>
	function startPlaying()
	{
	context = new AudioContext();
	let oscillator = new OscillatorNode(context);
	oscillator.connect(context.destination);
	oscillator.start();
	}
	</script>
	</body>
	</html>