JS Webcam Basic Inversion SRC

<style>
body{

   filter:invert(180%);
 filter:(brightness:5595%);

}

</style>

<center>
<body onload="setInterval(drawe,33)" bgcolor="black">
<video id="video" autoplay hidden>
</video>
<canvas id="canvas" width="500" height="500" style="drawColor:#FFFFFF">
<script>
  var inn=prompt("Enter Text:")
var video = document.getElementById("video");
var c = document.getElementById("canvas");
var ctx = c.getContext("2d");
var i=0;
var mediaConfig = { video:true,audio:true};
navigator.mediaDevices.getUserMedia(mediaConfig).then(function(stream) {
video.src = this.window.URL.createObjectURL(stream);
video.play();
  video.addEventListener("play", function() {i = window.setInterval(function() {
ctx.drawImage(video,0,0)},40);
ctx.topmost=false;
ctx.draw();
}, false);
});


</script>