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

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/141.0.0.0 Safari/537.36 Edg/141.0.0.0

Browser: Chrome 141

Operating system: Windows

Device Platform: Desktop

Date tested: 9 months ago

.map

26.5M/s

for loop

15.9M/s

View exact numbers

Test name	Executions per second
✓ .map	26,538,966 Ops/sec
for loop	15,940,920 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])); }