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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/88.0.4324.192 Safari/537.36 OPR/74.0.3911.218
Opera 74
Windows
Desktop
4 years ago
Test name Executions per second
trunc 3494554.0 Ops/sec
round 3489715.0 Ops/sec
floor 3499421.2 Ops/sec
parseFloat to int 1186775.0 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())