JS Canvas Psychedelic Seizure TV Screen Motion Test SRC

<html>
<body onload="setInterval(drawe,1.1)
setInterval(drawf,1.2)" background-color="white">
<canvas id="myCanvas" width="1000" height="1000" style="background:black;">
</canvas>
<script>
function drawe(){
var text = "";
var possible = "FABCGDE0123456789";
var canvas = document.getElementById("myCanvas");
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.fillStyle="#"+text;
var c = document.getElementById("myCanvas");
var ctx = c.getContext("2d");
ctx.beginPath();
ctx.fillRect( 33,35, Math.random()*1000, 1000, 130);
ctx.fill();
text='';
}
function drawf(){
var text = "";
var possible = "FABCGDE0123456789";
var canvas = document.getElementById("myCanvas");
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.fillStyle="#"+text;
var c = document.getElementById("myCanvas");
var ctx = c.getContext("2d");
ctx.beginPath();
ctx.fillRect( 109,35, Math.random()*1000, 1000, 130);
ctx.fill();
text='';
}
drawf();
</script>
</body>
</html>