JS1k: The JavaScript code golfing competition

var canvas,context,cycle=angle=0,iterations=50;window.onload=function(){canvas=document.createElement("canvas");canvas.width=innerWidth;canvas.height=innerHeight;canvas.style.backgroundColor="#000";canvas.style.position="absolute";canvas.style.top=0;canvas.style.bottom=0;canvas.style.left=0;canvas.style.right=0;context=canvas.getContext("2d");document.querySelector("body").appendChild(canvas);setInterval(spin,1000/60)};function spin(){context.fillStyle="rgba(0, 0, 0, 0.08)";context.fillRect(0,0,canvas.width,canvas.height);for(var a=0;a<100;a++){context.save();context.beginPath();context.translate(canvas.width/2,canvas.height/2);context.strokeStyle="rgb("+~~(Math.sin(0.3*cycle+0)*127+128)+", "+~~(Math.sin(0.3*cycle+2)*127+128)+", "+~~(Math.sin(0.3*cycle+4)*127+128)+")";context.moveTo(0,0);context.lineTo(0+(a*Math.cos(a+(a*angle))),0+(a*Math.sin(a+(a*angle))));context.stroke();context.restore()}cycle=Math.min(cycle+0.2,100)!==100?cycle+=0.2:0;angle+=0.0001};

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