Run results for: Spread push vs forEach Push

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36

Browser: Chrome 123

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

Spread push

27.4M/s

forEach Push

26.8M/s

View exact numbers

Test name	Executions per second
✓ Spread push	27,434,004 Ops/sec
forEach Push	26,825,046 Ops/sec

Tests:

forEach Push
var initialItems = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]; var newItems = [10, 11, 12, 13, 14, 15, 16, 17, 18, 19]; newItems.forEach((item) => { initialItems.push(item); });
Spread push
var initialItems = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]; var newItems = [10, 11, 12, 13, 14, 15, 16, 17, 18, 19]; initialItems.push(...newItems)