Run results for: concat vs Destructuring

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36

Browser: Chrome 130

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

concat

33K/s

Spread Operator

20K/s

View exact numbers

Test name	Executions per second
✓ concat	33,151 Ops/sec
Spread Operator	20,369 Ops/sec

Tests:

Spread Operator
const before = Array(10000).fill('before') const after = Array(10000).fill('after') before.push(...after)
concat
const before = Array(10000).fill('before') const after = Array(10000).fill('after') before.concat(after)