Run results for: for loop vs. .map but fast

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:145.0) Gecko/20100101 Firefox/145.0

Browser: Firefox 145

Operating system: Windows

Device Platform: Desktop

Date tested: 8 months ago

for loop

46.2M/s

.map

37.8M/s

View exact numbers

Test name	Executions per second
✓ for loop	46,242,472 Ops/sec
.map	37,817,296 Ops/sec

Script Preparation code:

// Create sample data
var array = [1,2,3,4,5,6,7,8,9,0];

var manipulateFn = num => {
	return num * 2 * 3;
}

Tests:

.map
var newArray = array.map( i => manipulateFn(i));
for loop
var newArray = []; var length = array.length for (var i=0; i<length; i++) { newArray.push(manipulateFn(array[i])); }