Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/94.0.4606.71 Safari/537.36 Edg/94.0.992.38
Chrome 94
Windows
Desktop
2 years ago
Test name Executions per second
toFixed(4) someFloat.toFixed(4); someFloat.t 3989491.0 Ops/sec
toPrecision(4).toString() 4060226.0 Ops/sec
(Math.round(*10000)/10000).toString() 3993702.0 Ops/sec
Math.floor fast 11343220.0 Ops/sec
Math.trunc 4004169.0 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