Benchmark: Spread push vs forEach Push

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)

Rendered benchmark preparation results:

Previous results

Test case name	Result
forEach Push
Spread push

ⓘ Get performance results from real users on your website with Request Metrics.

Latest run results:

Run details: (Test run date: 20 days ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36 Zaap3.6.8

Browser/OS: Chrome 123 on Windows

Test name	Executions per second
forEach Push	28418510.0 Ops/sec
Spread push	28143700.0 Ops/sec

Spread push vs forEach Push (version: 0)