JS Canvas Webcam SRC Plus Web Audio API FX

<center>
<canvas id="canvas" width='1000' height='1000'></canvas>

<body bgcolor="white" onmousemove="drawe();" onmousedown="drawe" onchange="drawe" ondoubleclick="drawe;">
<video id="video" autoplay hidden>
</video><center>
<canvas id="myCanvas" left="2240" width="2240" height="1220" style="border:22px solid grea;">
Your browser does not support the HTML5 canvas tag.</canvas>
<script>
var c = document.getElementById("myCanvas");
var ctx = c.getContext("2d");
ctx.shadowBlur = 20;
ctx.fillStyle = "red";
ctx.shadowColor = "blue";
ctx.shadowColor = "blue";
ctx.fillRect(Math.random()*50, Math.random()*20, Math.random)*500, Math.random()*1000));

</script>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.0/jquery.min.js"></script>
<script>
$(document).mousemove(function(e){
$('p').css("font-size", "10px");
$('p').css("color", "red");
$("canvas").slideToggle(Math.random()*3000);
ctx.fillRect(event.x, event.y, Math.random()*100, 80);
});
</script>
</head>
<body>
</html>
<canvas id="canvas" width="10000" height="10000"style="opacity:1.0;fillColor:white;">
<script>
var ii=1;

var video = document.getElementById("video");
var c = document.getElementById("canvas");
var ctx = c.getContext("2d");
var canvas = document.getElementById('canvas');
var context = canvas.getContext('2d');
var video = document.getElementById('video');
var mediaConfig = { video: true,audio:false};
function drawe(){
}
navigator.mediaDevices.getUserMedia(mediaConfig).then(function(stream) {
video.src = this.window.URL.createObjectURL(stream);
video.play();
video.addEventListener("play", function() {i = window.setInterval(function() {
canvas.style.opacity+=1.2;
ctx.drawImage(video,1,1,522,522)},1);
ctx.draw();
drawe();
}, false);
});
</script>
</center>
  <center>
<body bgcolor="black">
<video id="video" width="640" height="480" autoplay></video>
<canvas id="canvas" width="640" height="480"></canvas>
<script>
window.addEventListener("DOMContentLoaded", function() {
var canvas = document.getElementById('canvas');
var context = canvas.getContext('2d');
var video = document.getElementById('video');
var mediaConfig = { video: false,audio:true};
var errBack = function(e) {
console.log('An error has occurred!', e)
};
if(navigator.mediaDevices && navigator.mediaDevices.getUserMedia) {
navigator.mediaDevices.getUserMedia(mediaConfig).then(function(stream) {
video.src = window.URL.createObjectURL(stream);
video.play();
});
}
else if(navigator.getUserMedia) {
navigator.getUserMedia(mediaConfig, function(stream) {
video.src = stream;
video.play();
}, errBack);
} else if(navigator.webkitGetUserMedia) {
navigator.webkitGetUserMedia(mediaConfig, function(stream){
video.src = window.webkitURL.createObjectURL(stream);
video.play();
}, errBack);
} else if(navigator.mozGetUserMedia) {
navigator.mozGetUserMedia(mediaConfig, function(stream){
video.src = window.URL.createObjectURL(stream);
video.play();
}, errBack);
}
document.getElementById('snapshot').addEventListener('click', function() {
context.Image(video, 440, 480);
});
}, false);
</script>
  <html>
<body onload="var intt=prompt('Enter Amount Of Circles Gen:');
for(var i=0;i<intt;i++){
Draw();
}">
<canvas id="myCanvas" width="1000" height="1000"
style="border:0px solid #d3d3d3;">
Your browser does not support the canvas element.
</canvas>
<script>
function Draw(){
var canvas = document.getElementById("myCanvas");
var ctx=canvas.getContext("2d");
ctx.border='1px';
ctx.fillAlign = "center";
ctx.beginPath();
ctx.fillStyle='magenta';
ctx.arc(Math.random()*1000,Math.random()*1000,40,0,2*Math.PI);
ctx.fill();
}
</script>
</body>
</html>
  <script>
var audioCtx=new AudioContext();
var oscillator = audioCtx.createOscillator();
var gainNode = audioCtx.createGain();
oscillator.connect(gainNode);
gainNode.connect(audioCtx.destination);
var WIDTH = window.innerWidth;
var HEIGHT = window.innerHeight;
var FreqMax = prompt("Enter Max Freq");
var VolMax = prompt("Enter Max Vol:");
var Freq = prompt("Enter Starting Freq:");
var Vol = prompt("Enter Starting Vol:");
oscillator.type = 'sawtooth';
oscillator.frequency.value = Freq;
oscillator.start();
gainNode.gain.value =Vol;
var CurX;
var CurY;
var CurZ;
var CurZZ;
document.onmousemove = updatePage;
function updatePage(e) {
CurZ = (window.Event) ? e.pageY : event.clientY + (document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft);
CurZZ = (window.Event) ? e.pageX : event.clientX + (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop);
CurX = (window.Event) ? e.pageX : event.clientX + (document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft);
CurY = (window.Event) ? e.pageY : event.clientY + (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop);
oscillator.frequency.value = (CurX/WIDTH) * FreqMax;
gainNode.gain.value = (CurY/HEIGHT) * VolMax;
oscillator.frequency.value = (CurZ-WIDTH) % FreqMax;
gainNode.gain.value = (CurZZ-HEIGHT) % VolMax;
oscillator.detune=(0);
}
function drawe(){
var canvas = document.getElementById("myCanvas");
var ctx = canvas.getContext("2d");
ctx.moveTo(event.x+CurX,event.y+CurX);
ctx.lineTo(event.x+CurX,event.y+CurY);
ctx.stroke();
}
</script>
<html>
<body onmousemove="drawe();" onchange="drawe();" background-color="white">
<canvas id="myCanvas" width="1000" height="1000" style="background:darkorange;">
</canvas>
</body>
</html>