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veu/MMXLVIII.html Secret

Last active August 29, 2015 13:57
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2048 in 491 bytes of JavaScript and HTML.
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MMXLVIII.html
<body onload="function M(c,d){for(i=H=16;i--;G|=p>>11)for(p=B[m=V(j=i%4+1)];--j?(q=B[n=V(j)])?p-q?0:h=c?0:B[p?S+=B[m]*=2:B[i++,m]=q,n]=d:L=localStorage:0;)R=Math.random}function V(x){if(x)return(D>1?4-x:x-1)<<D%2*2|i-i%4>>D%2*2;for(i=H|R()*H;B[--i%H];);B[i%H]=2<<R()+.1}(onkeyup=function(e){D=e?e.which-37:B=[];D>>2||M()|V(e?h:V());for(D=h=4;D--;)M(1);for(h=(G|h?S+' / '+(L.S>S?L.S:L.S=S):S)+'<table border>';H;P.innerHTML=h+='<th width=50 height=50>'+[B[H]])H--%4?0:h+='<tr>'})(S=G=0)"id=P>
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veu commented Apr 9, 2014

In that case removing |G might actually be closer to the original as it would update the highscore when you've reached the 2048 tile but would let you keep playing.

@mathiasbynens
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Use oninput instead of onkeyup. It’s not shorter but it feels much faster.

@xem
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xem commented Jul 7, 2014

Let's golf this: http://243game.com/ :)

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