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tsur/fps.html

Created April 21, 2017 14:29
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Frames Per Second
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fps.html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
</head>
<body>
<script type="text/javascript">
// 16ms - 60 fps, f = 1000/t
let lastDelta = Date.now();
function loop(){
const now = Date.now();
console.log('FPS', 1000/(now - lastDelta));
lastDelta = now;
requestAnimationFrame(loop);
}
requestAnimationFrame(loop);
</script>
</body>
</html>
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