Run results for: my round vs toFixed

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36

Browser: Chrome 121

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
test 1	3103977.5 Ops/sec
test 2	4285733.0 Ops/sec

Tests:

test 1
function round1( value, decimals) { let _decimals = decimals || 0; let roundedValue = parseInt(value * Math.pow(10,_decimals) + 0.5) / Math.pow(10,_decimals); if (roundedValue % 1 == 0) { roundedValue = parseInt(roundedValue); } return roundedValue; } return round1(4.55, 1);
test 2
function round2( value, precisione) { // formato 1,234.56 / F° return Number.parseFloat(value).toFixed( precisione); } return round2(4.55, 1);