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

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.0.0 Safari/537.36

Browser: Chrome 115

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
toFixed(4)	4732969.5 Ops/sec
(Math.round(*10000)/10000).toString()	2545444.0 Ops/sec

Script Preparation code:

var someFloat = 0.123456789;

Tests:

toFixed(4)
someFloat.toFixed(4);
(Math.round(*10000)/10000).toString()
const tenToN = 10 ** 4; const sign = someFloat >= 0 ? 1 : -1; (Math.round(((someFloat + (sign*Number.EPSILON)))*tenToN)/tenToN).toString();