Run results for: for loop vs. .map [2]

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 Edg/131.0.0.0

Browser: Chrome 131

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

.map

905K/s

for loop

509K/s

View exact numbers

Test name	Executions per second
✓ .map	904,563 Ops/sec
for loop	509,015 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 arrLength = array.length var i for (i=0; i<arrLength; i++) { newArray.push(manipulateFn(array[i])); }