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const title = "메모이제이션 · 캐시 재사용";
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function draw(){
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text((index+1)+' / '+frames.length,width-12,18,p.muted,10,'right');
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function advance(){index=(index+1)%frames.length;draw();}
restart.addEventListener('click',()=>{index=0;last=performance.now();draw();});
step.addEventListener('click',()=>{advance();last=performance.now();});
addEventListener('resize',resize);resize();
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