MeasureThat.net

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

Let's see which is faster and slower! toFixed(6) vs toPrecision(6) vs Math.round(number*Math.pow(10,6) / Math.pow(10,6))

Go to the benchmark
Run details:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36
Chrome 105
Linux
Desktop
2 years ago
Test name Executions per second
toFixed(6) 735316.2 Ops/sec
toPrecision(6) 805343.8 Ops/sec
Math.round() 812378.7 Ops/sec
Script Preparation code:
AخA
 
var randomFloat = 0.123456789;
Tests:

  • toFixed(6)

     
    Number(randomFloat.toFixed(6));

  • toPrecision(6)

     
    Number(randomFloat.toPrecision(6));

  • Math.round()

     
    Math.round(randomFloat*Math.pow(10,6) / Math.pow(10,6))