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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_6) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.6.3 Safari/605.1.15

Browser: Safari 15

Operating system: Mac OS X 10.15.6

Device Platform: Desktop

Date tested: one year ago

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();