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Run results for: round vs trunc vs floor vs parseFloat

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Run details:
Mozilla/5.0 (iPhone; CPU iPhone OS 15_7_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.6.4 Mobile/15E148 Safari/604.1
Mobile Safari 15
iOS 15.7.3
Mobile
2 years ago
Test name Executions per second
trunc 1162571.6 Ops/sec
round 1215794.5 Ops/sec
floor 1218718.5 Ops/sec
parseFloat to int 703062.0 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())