Run results for: Round Numbers to 2 digits

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:57.0) Gecko/20100101 Firefox/57.0

Browser: Firefox 57

Operating system: Windows

Device Platform: Other

Date tested: 2025 years ago

Test name	Executions per second
toFixed	5035889.5 Ops/sec
Math.round	88664144.0 Ops/sec
Round function with correction	46853708.0 Ops/sec
Math.roundv2	71070984.0 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;
}

function MathRound(number) {
    return  Math.round((100 - (number) * 100) * 100) / 100;
}

Tests:

toFixed
result = +(number.toFixed(2));
Math.round
result = Math.round((100 - (number) * 100) * 100) / 100;
Round function with correction
result = round(number, 2);
Math.roundv2
result = MathRound(number);

Run results for: Round Numbers to 2 digits

toFixed

Math.round

Round function with correction

Math.roundv2