Run results for: round vs trunc vs floor vs parseFloat - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:80.0) Gecko/20100101 Firefox/80.0

Browser: Firefox 80

Operating system: Windows 7

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
trunc	53106310.0 Ops/sec
round	52946680.0 Ops/sec
floor	53335530.0 Ops/sec
parseFloat to int	2494310.0 Ops/sec

Website performance monitoring

Tests:

trunc
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())