Run results for: for vs map

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.108 Safari/537.36

Browser: Chrome 78

Operating system: Linux

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
map	9375310.0 Ops/sec
for	1245409.0 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); }