Run results for: for of loop vs. .map

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; ) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.6478.61 Chrome/126.0.6478.61 Not/A)Brand/8 Safari/537.36

Browser: Chrome 126

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

.map

8.7M/s

for loop

7.7M/s

View exact numbers

Test name	Executions per second
✓ .map	8,687,036 Ops/sec
for loop	7,652,268 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 = []; for (const item of array) { newArray.push(manipulateFn(item)); }