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Run results for: round vs trunc vs floor vs parseFloat

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/77.0.3835.0 Safari/537.36
Chrome 77
Windows
Desktop
5 years ago
Test name Executions per second
trunc 671502.7 Ops/sec
round 886978.1 Ops/sec
floor 1158934.9 Ops/sec
parseFloat to int 346971.6 Ops/sec
Tests:

  • trunc

    AخA
     
    Math.trunc(13.37)
    Math.trunc(13.67)

  • round

     
    Math.round(13.37)
    Math.round(13.67)

  • floor

     
    Math.floor(13.37)
    Math.floor(13.67)

  • parseFloat to int

     
    parseFloat(12.17.toFixed())
    parseFloat(12.97.toFixed())