jweinst1
4/15/2016 - 5:44 AM

javscript that writes on full size of the canvas

javscript that writes on full size of the canvas

fullsizewindowcanvas.html
content_copyfile_download
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>

</head>
<body>

<script>
    var canvas = document.createElement('canvas');
    canvas.id = "mycanvas";
    canvas.width  = window.innerWidth;
    canvas.height = window.innerHeight;
    canvas.style.zIndex   = 8;
    canvas.style.position = "absolute";
    document.body.appendChild(canvas);
    var ctx = canvas.getContext("2d");
    ctx.lineWidth = 5;
    ctx.beginPath();
    ctx.strokeStyle = "#FF0000";
    for(var pos = 0;pos<30000;pos+=8) ctx.lineTo(pos,pos);
    ctx.stroke();
</script>
</body>
</html>