Run results for: getAverage for loop vs reduce

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36 Edg/119.0.0.0

Browser: Chrome 119

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Reduce	229547584.0 Ops/sec
For loop	6415757.0 Ops/sec

Tests:

Reduce

function getAverage(...numbers) {
    return numbers.reduce((a, b) => a + b, 0) / numbers.length || 0;
}

getAverage(1, 2, 3, 4, 5);

​x
 
function getAverage(...numbers) {    return numbers.reduce((a, b) => a + b, 0) / numbers.length || 0;}​getAverage(1, 2, 3, 4, 5);

For loop

function getAverage(...numbers) {
    let sum = 0, i = len = numbers.length;
    while (i--) sum += numbers[i];
    return sum / len || 0;
}

getAverage(1, 2, 3, 4, 5);

 
function getAverage(...numbers) {    let sum = 0, i = len = numbers.length;    while (i--) sum += numbers[i];    return sum / len || 0;}​getAverage(1, 2, 3, 4, 5);