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

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; Pixel 3 XL) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4177.3 Mobile Safari/537.36

Browser: Chrome Mobile 85

Operating system: Android

Device Platform: Mobile

Date tested: 3 years ago

Test name	Executions per second
trunc	1791546.0 Ops/sec
round	1789337.0 Ops/sec
floor	1838569.0 Ops/sec
parseFloat to int	646835.7 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())