Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.0.0 Safari/537.36
Chrome 117
Mac OS X 10.15.7
Desktop
one year ago
Test name Executions per second
toFixed(4) someFloat.toFixed(4); someFloat.t 9407004.0 Ops/sec
toPrecision(4).toString() 10600241.0 Ops/sec
(Math.round(*10000)/10000).toString() 11160349.0 Ops/sec
Math.floor fast 33264874.0 Ops/sec
Math.trunc 11197414.0 Ops/sec
Script Preparation code:
Tests:
  • toFixed(4) someFloat.toFixed(4); someFloat.t

  • toPrecision(4).toString()

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

  • Math.floor fast

  • Math.trunc