JS/CSS Webcam Obfusication SRC

<style>
body{

 filter:invert(.5);
  }
</style>

<center>
<body bgcolor="black" onmousemove="drawe();" onmousedown="drawe" onchange="drawe" ondoubkeclick="drawe;">
<video id="video" autoplay hidden>
</video>
<canvas id="canvas" onchange="drawe;" topmost=false onchange="drawe;" width="500" height="500" style="opacity:1.0;fillColor:none;">
<script>
var ii=1;
var inn=244;
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(){
var possible = "FABCGDE0123456789";
var text = "";
var canvas = document.getElementById("canvas");
var ctx = canvas.getContext("2d");
for(var i=0; i!=6; i++)
text+=possible.charAt(Math.floor(Math.random()*possible.length))
ctx.strokeStyle="#"+text;

ctx.topmost=true;
text='';
}
navigator.mediaDevices.getUserMedia(mediaConfig).then(function(stream) {
if(ctx.width==500){event.mouseMove--;}
video.src = this.window.URL.createObjectURL(stream);
video.play();
video.addEventListener("play", function() {i = window.setInterval(function() {

ctx.topmost=false;

ctx.drawImage(video,1,1)},30);


ctx.draw();


}, false);
});
</script>