Run results for: iterating through arrays (for .. of vs forEach

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36

Browser: Chrome 138

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

for .. of

2.0M/s

forEach

1.6M/s

View exact numbers

Test name	Executions per second
✓ for .. of	1,964,986 Ops/sec
forEach	1,603,154 Ops/sec

Script Preparation code:

globalThis.testArray = Array(1000).fill(0).map((_, i) => i);
globalThis.noop = () => {};

Tests: