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 To fixed vs round vs to precision with float (version: 0)

Comparing performance of: parseFloat(someFloat.toFixed(4)); vs someFloat.toPrecision(4) vs (Math.round(someFloat*10000)/10000)

Created: 3 years ago by: Guest
Jump to the latest result
Script Preparation code:
Tests:

  • parseFloat(someFloat.toFixed(4));

  • someFloat.toPrecision(4)

  • (Math.round(someFloat*10000)/10000)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results
  • Test case name Result
    parseFloat(someFloat.toFixed(4));
    someFloat.toPrecision(4)
    (Math.round(someFloat*10000)/10000)

    Fastest: N/A

    Slowest: N/A

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Latest run results:
Run details: (Test run date: 3 years ago)
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.66 Safari/537.36
Chrome 87 on Windows
View result in a separate tab
Test name Executions per second
parseFloat(someFloat.toFixed(4)); 1595285.0 Ops/sec
someFloat.toPrecision(4) 3319129.0 Ops/sec
(Math.round(someFloat*10000)/10000) 3874758.0 Ops/sec