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

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36

Browser: Chrome 91

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
trunc	4575045.0 Ops/sec
round	4627438.0 Ops/sec
floor	4616800.0 Ops/sec
parseFloat to int	1641163.0 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())