Run results for: concat vs Destructuring

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:125.0) Gecko/20100101 Firefox/125.0

Browser: Firefox 125

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 2 years ago

concat

18K/s

Spread Operator

13K/s

View exact numbers

Test name	Executions per second
✓ concat	17,649 Ops/sec
Spread Operator	13,392 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)