Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:120.0) Gecko/20100101 Firefox/120.0
Firefox 120
Mac OS X 10.15
Desktop
5 months ago
Test name Executions per second
toFixed(4) someFloat.toFixed(4); someFloat.t 25657750.0 Ops/sec
toPrecision(4).toString() 24986400.0 Ops/sec
(Math.round(*10000)/10000).toString() 724472600.0 Ops/sec
Math.floor fast 723871900.0 Ops/sec
Math.trunc 725868700.0 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