MeasureThat.net

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

Go to the benchmark
Run details:
Mozilla/5.0 (X11; Fedora; Linux x86_64; rv:98.0) Gecko/20100101 Firefox/98.0
Firefox 98
Fedora
Desktop
2 years ago
Test name Executions per second
toFixed(4) 16288747.0 Ops/sec
toPrecision(4).toString() 11489082.0 Ops/sec
(Math.round(*10000)/10000).toString() 1605613184.0 Ops/sec
Math.floor fast 1750998400.0 Ops/sec
Script Preparation code:
AخA
 
var someFloat = 0.123456789;
Tests:

  • toFixed(4)

     
    someFloat.toFixed(4);

  • toPrecision(4).toString()

     
    someFloat.toPrecision(4);

  • (Math.round(*10000)/10000).toString()

    ​x
     
    (Math.round(someFloat*10000)/10000);
    ​

  • Math.floor fast

     
    ~~(someFloat * 10000) / 10000;