Run results for: for vs map

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

Browser: Chrome 131

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

map

24.2M/s

for

18.4M/s

View exact numbers

Test name	Executions per second
✓ map	24,151,866 Ops/sec
for	18,433,222 Ops/sec

Script Preparation code:

var array = [1, 4, 9, 16];

Tests:

map
var map = array.map(x => x * 2);
for
var map = []; for(let i = 0; i < array.length; i++) { map.push(array[i] * 2); }