Run results for: toFixed vs toPrecision vs Math.round() 2 decimal

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 15_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.6.1 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 15

Operating system: iOS 15.6.1

Device Platform: Mobile

Date tested: one year ago

Test name	Executions per second
toFixed 2 decimals	4486587.5 Ops/sec
toPrecision 2 decimals	4245170.0 Ops/sec
Math.round 2 decimals	2734195.5 Ops/sec

Script Preparation code:

var someFloat = 0.123456789;

Tests:

toFixed 2 decimals
someFloat.toFixed(2);
toPrecision 2 decimals
someFloat.toPrecision(2)
Math.round 2 decimals
Math.round(someFloat * 100 + Number.EPSILON) / 100

Run results for: toFixed vs toPrecision vs Math.round() 2 decimal

toFixed 2 decimals

toPrecision 2 decimals

Math.round 2 decimals