JQ/JS Canvas 3D Random Platform Build & Slide In/Out SRC V1

<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(Math.random()*1000, Math.random()*1000, Math.random()*100, 80);
});
</script>
</head>
<body>
</html>