JS Web Audio Oscillator Wasp Swarm Emulator SRC V1

<script>
function RollSlott(){
var context = new AudioContext();
var lfo = context.createOscillator();
lfo.frequency.value = 0.5;
var hfo = context.createOscillator();
hfo.frequency.value = 200.0;
var modulationGain = context.createGain();
modulationGain.gain.value = 100.5;
lfo.connect(modulationGain);
modulationGain.connect(hfo.detune);
hfo.connect(context.destination);
hfo.start();
lfo.start();
var Bar=parseFloat(Math.random()*21.9);
var Barr=parseFloat(Math.random()*21.9);
document.body.innerHTML=(Bar+":"+Barr);
var PlayLen=21.1;
if(Bar!=0){
Bar--
}else if(Bar!=21){
Bar++
}
var context = new AudioContext();
oscillator=context.createOscillator();
oscillator.type = 'sine';
oscillator.frequency.value = Bar;
oscillator.connect(context.destination);
oscillator.start(0);
oscillator.stop(PlayLen);
oscillator.disconnect(PlayLen);
lfo.stop(PlayLen);
lfo.disconnect(PlayLen);
hfo.stop(PlayLen);
hfo.disconnect(PlayLen);
}
</script>
<button onclick="script:
var rolls=10;
while(rolls!=0){
rolls--;
var Timer1 = setTimeout ('RollSlott();',0.0001);
var Timer1 = setTimeout ('RollSlott();',0.002)
var Timer1 = setTimeout ('RollSlott();',0.03)
var Timer1 = setTimeout ('RollSlott();',0.04)
var Timer1 = setTimeout ('RollSlott();',0.5)
}">Roll Static Test Now!!</button>
<script>