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

Run details:

User agent: Mozilla/5.0 (X11; Fedora; Linux x86_64; rv:85.0) Gecko/20100101 Firefox/85.0

Browser: Firefox 85

Operating system: Fedora

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
trunc	954240700.0 Ops/sec
round	949190500.0 Ops/sec
floor	955931500.0 Ops/sec
parseFloat to int	4533430.0 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())