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<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <title>Simple Tone Generator</title>
  </head>
  <body>
    <h1>Simple Tone Generator</h1>
    <button onclick="playTone()">Play Tone</button>
    <button onclick="stopTone()">Stop Tone</button>

function stopTone() {
        if (oscillator) {
          oscillator.stop();
          oscillator.disconnect();
          oscillator = null; // Reset the oscillator to allow a new one to be created next time
        }
      }
    </script>
  </body>
</html>