JS1k: The JavaScript code golfing competition

var t=document.body.style;
t.border="0";
t.margin="0";
t.padding="0";
t.overflow="hidden";
t.outline="none";
t.backgroundColor="#000";
var c=document.getElementById("c");
t=window;
var w=t.innerWidth;
var h=t.innerHeight;
c.width=w;
c.height=h;
c=c.getContext("2d");
c.translate(w=Math.round(w/2.0),h=Math.round(h/2.0));

function R(ni,nf)
{
 return (nf-=ni),(ni + (Math.floor(Math.random()*nf)%nf));
}

t=[[w,R(-h,h)],[R(-w,w),-h],[-w,R(-h,h)],[R(-w,w),h]];

var drawArc
=
(function()
{
 var pi2=2.0*Math.PI,r=R(0,t.length);
 var p=[t[r][0],t[r][1]];

 return function()
 {
  c.beginPath();
   c.fillStyle="rgb(" + R(0,256) + "," + R(0,256) + "," + R(0,256) + ")";
   r=R(0,t.length);
   p[0]=Math.round((p[0] + t[r][0])/2.0);
   p[1]=Math.round((p[1] + t[r][1])/2.0);
   c.arc(p[0],p[1],1,0,pi2,true);
  c.fill();
 };
})();

(function serpinski4()
{
 for ( var i=0 ; i<100 ; ++i ) drawArc();
 setTimeout(serpinski4,46);
})();

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