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

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; SM-G960N Build/QP1A.190711.020; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/80.0.3987.163 Whale/1.0.0.0 Crosswalk/25.80.14.9 Mobile Safari/537.36 NAVER(inapp; search; 720; 10.25.0)

Browser: Chrome 80

Operating system: Android

Device Platform: Mobile

Date tested: 3 years ago

Test name	Executions per second
toFixed(4)	1761414.0 Ops/sec
toPrecision(4).toString()	1970087.0 Ops/sec
(Math.round(*10000)/10000).toString()	2454034.0 Ops/sec

Script Preparation code:

var someFloat = 0.123456789;

Tests:

toFixed(4)
someFloat.toFixed(4);
toPrecision(4).toString()
someFloat.toPrecision(4).toString();
(Math.round(*10000)/10000).toString()
(Math.round(someFloat*10000)/10000).toString();

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

toFixed(4)

toPrecision(4).toString()

(Math.round(*10000)/10000).toString()