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

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:142.0) Gecko/20100101 Firefox/142.0

Browser: Firefox 142

Operating system: Linux

Device Platform: Desktop

Date tested: 11 months ago

Traditional push

18.4M/s

Spread push

15.7M/s

View exact numbers

Test name	Executions per second
✓ Traditional push	18,362,872 Ops/sec
Spread push	15,678,321 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);