Run details:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36
Chrome 127
Linux
Desktop
5 months ago
Test name Executions per second
toFixed(4) 3854883.0 Ops/sec
toPrecision(4).toString() 4742419.5 Ops/sec
(Math.round(*10000)/10000).toString() 5115639.5 Ops/sec
Math.floor fast 13172646.0 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;