Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.212 Safari/537.36 Edg/90.0.818.66
Chrome 90
Windows
Desktop
3 years ago
Test name Executions per second
toFixed 3988963.2 Ops/sec
toPrecision 4250638.0 Ops/sec
rounding 3567124.0 Ops/sec
Script Preparation code:
AخA
 
var someFloat = 0.123456789;
Tests:
  • toFixed

     
    someFloat.toFixed(1);
  • toPrecision

     
    someFloat.toPrecision(1).toString();
  • rounding

     
    (Math.round(someFloat*10)/10).toString();