1012609.html (310B)
1 <script> 2 try{var r0=new AudioContext();}catch(e){} 3 try{var r32=r0.createOscillator();}catch(e){} 4 try{var r58=r0.createPeriodicWave(new Float32Array(1997),new Float32Array(1997));}catch(e){} 5 try{r32.start(0);}catch(e){} 6 try{r32.setPeriodicWave(r58);}catch(e){} 7 try{r32.frequency.value=-1;}catch(e){} 8 </script>