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;
Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Experimental features:

  • Test case name Result
    toFixed(4)
    toPrecision(4).toString()
    (Math.round(*10000)/10000).toString()
    Math.floor fast

    Fastest: N/A

    Slowest: N/A

Latest run results:
Run details: (Test run date: one month ago)
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Chrome 131 on Mac OS X 10.15.7
View result in a separate tab
Test name Executions per second
toFixed(4) 8926744.0 Ops/sec
toPrecision(4).toString() 13439743.0 Ops/sec
(Math.round(*10000)/10000).toString() 138189568.0 Ops/sec
Math.floor fast 163922912.0 Ops/sec