Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.114 Safari/537.36
Chrome 91
Windows
Desktop
3 years ago
Test name Executions per second
toFixed(4) someFloat.toFixed(4); someFloat.t 3276423.0 Ops/sec
toPrecision(4).toString() 3245426.5 Ops/sec
(Math.round(*10000)/10000).toString() 3633526.5 Ops/sec
Math.floor fast 10379947.0 Ops/sec
Math.trunc 3622913.2 Ops/sec
Math.floor fast with addition 10433523.0 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

  • Math.floor fast with addition


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