Run results for: forEach vs for loop

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:120.0) Gecko/20100101 Firefox/120.0

Browser: Firefox 120

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

forEach

9.9M/s

for loop

9.2M/s

View exact numbers

Test name	Executions per second
✓ forEach	9,856,052 Ops/sec
for loop	9,241,291 Ops/sec

Tests:

forEach
const a = [1,2,3,4,5,6,7,8,9,10] const b = [] a.forEach(item => { b.push(item) })
for loop
const a = [1,2,3,4,5,6,7,8,9,10] const b = [] for (let i=0;i<a.length;i++) { b.push(a[i]) }