Run details:
Mozilla/5.0 (X11; Linux x86_64; rv:121.0) Gecko/20100101 Firefox/121.0
Firefox 121
Linux
Desktop
4 months ago
Test name Executions per second
toFixed(4) someFloat.toFixed(4); someFloat.t 16680940.0 Ops/sec
toPrecision(4).toString() 12545880.0 Ops/sec
(Math.round(*10000)/10000).toString() 708275300.0 Ops/sec
Math.floor fast 703604500.0 Ops/sec
Math.trunc 712067700.0 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