Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.82 Safari/537.36/4Jab4yQD-9
Chrome 89
Windows
Desktop
3 years ago
Test name Executions per second
toFixed(4) someFloat.toFixed(4); someFloat.t 3139414.0 Ops/sec
toPrecision(4).toString() 3164989.0 Ops/sec
(Math.round(*10000)/10000).toString() 3263147.0 Ops/sec
Math.floor fast 9502932.0 Ops/sec
Math.trunc 3211268.0 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