Run details:
Mozilla/5.0 (X11; Linux x86_64; rv:90.0) Gecko/20100101 Firefox/90.0
Firefox 90
Linux
Desktop
3 years ago
Test name Executions per second
toFixed(4) someFloat.toFixed(4); someFloat.t 19258314.0 Ops/sec
toPrecision(4).toString() 13132453.0 Ops/sec
(Math.round(*10000)/10000).toString() 1437790976.0 Ops/sec
Math.floor fast 1135485440.0 Ops/sec
Math.trunc 1530581632.0 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