Run results for: Pushing items via Array.push vs. Spread Operator

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36

Browser: Chrome 87

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Traditional push	51185760.0 Ops/sec
Spread push	32797298.0 Ops/sec

Tests:

Traditional push
let a = []; let b = [1, 2, 3]; b.forEach(item => a.push(item));
Spread push
let a = [] let b = [1, 2, 3] a.push(...b);