Run details:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.114 Safari/537.36
Chrome 91
Linux
Desktop
2 years ago
Test name Executions per second
toFixed(4) someFloat.toFixed(4); someFloat.t 2841649.0 Ops/sec
toPrecision(4).toString() 2923509.0 Ops/sec
(Math.round(*10000)/10000).toString() 3633949.0 Ops/sec
Math.floor fast 10787510.0 Ops/sec
Math.trunc 3611121.0 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