Math.round vs hack

JavaScript performance comparison

Revision 40 of this test case created by

Preparation code

<canvas id="canvas1" width="500" height="500"></canvas>
<script>
  var can = document.getElementById('canvas1');
  var ctx = can.getContext('2d');
  
  
 
</script>
    

Preparation code output

<canvas id="canvas1" width="500" height="500"></canvas>

Test runner

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Java applet disabled.

Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
"proper" rounding

var i = 0;
for(i = 0 ; i < 1000 ; ++i)
{
}
pending…
Hack rounding
ctx.save();
ctx.restore();
pending…

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Revisions

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