Run results for: Round Numbers to 2 digits

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Browser: Chrome 131

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Round function with correction

19.3M/s

Math.round

19.1M/s

toFixed

9.1M/s

View exact numbers

Test name	Executions per second
✓ Round function with correction	19,273,878 Ops/sec
Math.round	19,103,540 Ops/sec
toFixed	9,092,430 Ops/sec

Script Preparation code:

var number = 12324242/432432432;
var result;

function round(value, decimals) {
    value = value * Math.pow(10, decimals);
    value = Math.round(value);
    value = value / Math.pow(10, decimals);
    return value;
}

Tests:

toFixed
result = +(number.toFixed(2));
Math.round
result = Math.round((100 - (number) * 100) * 100) / 100;
Round function with correction
result = round(number, 2);