JS1k: The JavaScript code golfing competition

function i(){t+=.05,q=0;for(var i=0;i<k.length;i++)q+=k[i];with(h=10*q/k.length,w=600+50*z(2*t)/h,x=function(t){return m.floor(m.sin(h*t)*o*m.sin(q/h))},c)fillStyle="rgba(0,0,0,0.005)",fillRect(0,0,w,w),fillRect(w,w,w,w),fillStyle="rgba("+x(3)+","+x(5)+","+x(7)+",0.1)",fillRect(w,0,w,w),fillRect(0,w,w,w),drawImage(a,0,w,w,w),drawImage(a,w,w,w,w),drawImage(a,w,0,w,w),drawImage(a,0,0,w,w),translate(v,v),rotate(.01*m.abs(m.sin(h))),translate(-v,-v);setTimeout("i()",10)}with(k=[],z=function(t){return t>>4|t&(t>>6)/(t>>7-(t>>15)&-t>>7-(t>>15))},s=0,audio=new AudioContext,ne=audio.createScriptProcessor(4096,0,1),ne.onaudioprocess=function(t){var e,i,n,a,w,r,o;for(e=t.outputBuffer.getChannelData(0),o=[],i=w=0,r=e.length-1;r>=0?r>=w:w>=r;i=r>=0?++w:--w)n=8*s/44.1,a=z(n),s++,o.push(e[i]=(255&a)/255);return k=o,o},c.width=800,c.height=600,v=450,t=0,o=255,m=Math,c)font="50px sans-serif",fillStyle="#ff0000",fillText("JS1K MTV Presents:",40,150);setTimeout("ne.connect(audio.destination);",2e3),i();

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