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

Run details:

User agent: Mozilla/5.0 (Android 10; Mobile; rv:132.0) Gecko/132.0 Firefox/132.0

Browser: Firefox Mobile 132

Operating system: Android

Device Platform: Mobile

Date tested: one year ago

round

429.8M/s

trunc

428.0M/s

floor

426.7M/s

parseFloat to int

3.2M/s

View exact numbers

Test name	Executions per second
✓ round	429,753,760 Ops/sec
trunc	428,032,160 Ops/sec
floor	426,690,496 Ops/sec
parseFloat to int	3,191,476 Ops/sec

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())