29 lines
727 B
HTML
29 lines
727 B
HTML
<!DOCTYPE html>
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<head>
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<meta content="text/html;charset=utf-8" http-equiv="Content-Type">
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<meta content="utf-8" http-equiv="encoding">
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</head>
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<body>
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<pre id=state></pre>
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<button id="start" onclick="start_webaudio()">Start</button>
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<button id="stop" onclick="stop_webaudio()">Stop</button>
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<script type="text/javascript">
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var ac = new AudioContext();
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var dest = ac.destination;
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var osc = ac.createOscillator();
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osc.connect(dest);
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osc.start();
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document.querySelector("pre").innerText = ac.state;
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ac.onstatechange = function() {
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document.querySelector("pre").innerText = ac.state;
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}
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function start_webaudio() {
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ac.resume();
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}
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function stop_webaudio() {
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ac.suspend();
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}
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</script>
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</body>
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