Run results for: Add a lot of elements to array: push vs destructuring

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.4 Safari/605.1.15

Browser: Safari 18

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

spread operator

28K/s

Push

24K/s

View exact numbers

Test name	Executions per second
✓ spread operator	28,360 Ops/sec
Push	23,527 Ops/sec

Tests:

spread operator
const before = Array(10000).fill('before') const after = Array(10000).fill('after') const other = [ ...before, ...after ]
Push
const before = Array(10000).fill('before') const after = Array(10000).fill('after') before.push(...after)