Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.129 Safari/537.36
Chrome 81
Mac OS X 10.14.4
Desktop
4 years ago
Test name Executions per second
toFixed(4) someFloat.toFixed(4); someFloat.t 2217090.5 Ops/sec
toPrecision(4).toString() 3072763.8 Ops/sec
(Math.round(*10000)/10000).toString() 3734456.5 Ops/sec
Math.floor fast 11561818.0 Ops/sec
Math.trunc 3725885.5 Ops/sec
Math.floor fast with addition 11508054.0 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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