tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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file_webaudio_startstop.html (630B)

      1 <!DOCTYPE html>
      2 <script>
      3 var ac = new AudioContext();
      4 var runningPromise = new Promise(resolve => {
      5  ac.onstatechange = event => {
      6    if (ac.state == "running") {
      7      resolve();
      8    }
      9  };
     10 });
     11 
     12 var osc = ac.createOscillator();
     13 osc.connect(ac.destination);
     14 osc.start(0);
     15 osc.stop(osc.context.currentTime + 2.0);
     16 
     17 var suspendPromise;
     18 function suspendAC() {
     19  runningPromise.then(() => {
     20    suspendPromise = ac.suspend();
     21  });
     22 }
     23 
     24 var resumePromise;
     25 function resumeAC() {
     26  suspendPromise.then(() => {
     27    resumePromise = ac.resume();
     28  });
     29 }
     30 
     31 function closeAC() {
     32  resumePromise.then(() => {
     33    ac.close();
     34  });
     35 }
     36 </script>