Run results for: toFixed vs toPrecision vs Math.round() vs Math.Floor - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:127.0) Gecko/20100101 Firefox/127.0

Browser: Firefox 127

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
toFixed(6)	23949510.0 Ops/sec
toPrecision(6).toString()	18116802.0 Ops/sec
(Math.round(*1000000)/1000000)	1782905216.0 Ops/sec
Math.floor( * 1000000)	1775076096.0 Ops/sec

Script Preparation code:

var someFloat = 0.123456789;

Tests:

toFixed(6)
someFloat.toFixed(6);
toPrecision(6).toString()
someFloat.toPrecision(6);
(Math.round(*1000000)/1000000)
(Math.round(someFloat*1000000)/1000000);
Math.floor( * 1000000)
Math.floor(someFloat * 1000000);