decimal rounding toFixed vs Math.round

JavaScript performance comparison

Revision 25 of this test case created by TJKoury

Preparation code


      
      <script>
Benchmark.prototype.setup = function() {
  var number = 25.5981956;

};
</script>

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Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
Mozilla
var precision = 2;
var y = +number + (precision === undefined ? 0.5 : precision/2);
var prx = y - (y % (precision === undefined ? 1 : +precision));
pending…
toFixed string
number.toFixed(2)
pending…
Math.round
Math.round(number * 100) / 100
pending…
Exp
Number(Math.round(number+'e'+2)+'e-'+2);
pending…
Dynamic Math.round
let places = 2;
let factor = Math.pow(10, places)
Math.round(number * factor) / factor
pending…
toFixed
Number((number).toFixed(2));
pending…

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Revisions

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