MeasureThat.net

Run results for: toFixed vs toPrecision vs Math.round() vs Math.floorfast 0

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/101.0.4951.67 Safari/537.36
Chrome 101
Windows
Desktop
2 years ago
Test name Executions per second
toFixed(0) 4452365.5 Ops/sec
Math.round() 3961814.5 Ops/sec
Math.floor fast 12869178.0 Ops/sec
Script Preparation code:
AخA
 
var someFloat = 13.123456789;
Tests:

  • toFixed(0)

     
    someFloat.toFixed(0);

  • Math.round()

    ​x
     
    Math.round(someFloat);
    ​

  • Math.floor fast

     
    ~~(someFloat);